Guys, since yesterday I've been noticing that from time to time my browsing, both on the internal network and on the internet, becomes extremely slow...
When I ran some quick tests, I noticed that if I tried to browse via IP address, everything was normal, but via DNS, it was horrible.
Without doing much research, I was restarting dnsmasq and adguardhome, which made my connection return to normal. However, now, more calmly, I'm noticing that my log is flooded with these errors...
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.309270 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABBWZvbnRzCmdvb2dsZWFwaXMDY29tAAAcAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.361051 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA3d3dwdnc3RhdGljA2NvbQAAQQABAAApCAAAAIAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.471384 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA2xoMxFnb29nbGV1c2VyY29udGVudANjb20AABwAAQAAKQgAAACAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.471448 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA2xoMxFnb29nbGV1c2VyY29udGVudANjb20AAAEAAQAAKQgAAACAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.471471 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA2xoMxFnb29nbGV1c2VyY29udGVudANjb20AAEEAAQAAKQgAAACAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.482681 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA3NzbAdnc3RhdGljA2NvbQAAHAABAAApCAAAAIAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.482731 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA3NzbAdnc3RhdGljA2NvbQAAAQABAAApCAAAAIAAAAA\": context deadline exceeded"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.482841 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA3NzbAdnc3RhdGljA2NvbQAAQQABAAApCAAAAIAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.578098 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABBWZvbnRzB2dzdGF0aWMDY29tAABBAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.578097 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABBWZvbnRzB2dzdGF0aWMDY29tAAABAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.578112 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABBWZvbnRzB2dzdGF0aWMDY29tAAAcAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.936053 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABBGFwaXMGZ29vZ2xlA2NvbQAAQQABAAApCAAAAIAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.937177 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABBGFwaXMGZ29vZ2xlA2NvbQAAAQABAAApCAAAAIAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:44 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:44.937275 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABBGFwaXMGZ29vZ2xlA2NvbQAAHAABAAApCAAAAIAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:48 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:48.888183 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA29ncwZnb29nbGUDY29tAmJyAAAcAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:48 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:48.891071 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA29ncwZnb29nbGUDY29tAmJyAAABAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:48 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:48.891071 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA29ncwZnb29nbGUDY29tAmJyAAAcAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:48 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:48.891075 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA29ncwZnb29nbGUDY29tAmJyAAABAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:48 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:48.892183 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA29ncwZnb29nbGUDY29tAmJyAABBAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:52 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:52.431814 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABCGRvd25sb2FkCXdpcmVndWFyZANjb20AAAEAAQAAKQgAAACAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:52 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:52.432027 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABCGRvd25sb2FkCXdpcmVndWFyZANjb20AABwAAQAAKQgAAACAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:17:54 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:54.017956 ERROR response received addr=quic://dns.adguard-dns.com:853 proto=udp status="opening stream: failed to open a QUIC stream: context deadline exceeded"
Sun Jun 29 11:17:54 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:54.017998 ERROR response received addr=quic://dns.adguard-dns.com:853 proto=udp status="opening stream: failed to open a QUIC stream: context deadline exceeded"
Sun Jun 29 11:17:54 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:54.017998 ERROR response received addr=quic://dns.adguard-dns.com:853 proto=udp status="opening stream: failed to open a QUIC stream: context deadline exceeded"
Sun Jun 29 11:17:54 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:54.018067 ERROR response received addr=quic://dns.adguard-dns.com:853 proto=udp status="opening stream: failed to open a QUIC stream: context deadline exceeded"
Sun Jun 29 11:17:54 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:54.018160 ERROR response received addr=quic://dns.adguard-dns.com:853 proto=udp status="opening stream: failed to open a QUIC stream: context deadline exceeded"
Sun Jun 29 11:17:54 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:54.018375 ERROR response received addr=quic://dns.adguard-dns.com:853 proto=udp status="opening stream: failed to open a QUIC stream: context deadline exceeded"
Sun Jun 29 11:17:54 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:17:54.018669 ERROR response received addr=quic://dns.adguard-dns.com:853 proto=udp status="opening stream: failed to open a QUIC stream: context deadline exceeded"
Sun Jun 29 11:18:18 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:18:18.995564 ERROR response received addr=quic://dns.adguard-dns.com:853 proto=udp status="opening stream: failed to open a QUIC stream: context deadline exceeded"
Sun Jun 29 11:18:20 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:18:20.865958 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABBWluYm94Bmdvb2dsZQNjb20AAAEAAQAAKQgAAACAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:18:23 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:18:23.792565 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABB2FuZHJvaWQEYXBpcwZnb29nbGUDY29tAAAcAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:18:23 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:18:23.795506 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABB2FuZHJvaWQEYXBpcwZnb29nbGUDY29tAAABAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:19:52 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:52.580940 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABBGFwaXMGZ29vZ2xlA2NvbQAAHAABAAApCAAAAIAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:19:52 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:52.580940 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABBGFwaXMGZ29vZ2xlA2NvbQAAQQABAAApCAAAAIAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:19:52 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:52.680295 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABC2ZlZWRiYWNrLXBhCGNsaWVudHM2Bmdvb2dsZQNjb20AAAEAAQAAKQgAAACAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:19:52 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:52.680292 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABC2ZlZWRiYWNrLXBhCGNsaWVudHM2Bmdvb2dsZQNjb20AABwAAQAAKQgAAACAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:19:52 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:52.682566 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABC2ZlZWRiYWNrLXBhCGNsaWVudHM2Bmdvb2dsZQNjb20AABwAAQAAKQgAAACAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:19:52 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:52.682786 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABC2ZlZWRiYWNrLXBhCGNsaWVudHM2Bmdvb2dsZQNjb20AAEEAAQAAKQgAAACAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:19:52 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:52.682879 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABC2ZlZWRiYWNrLXBhCGNsaWVudHM2Bmdvb2dsZQNjb20AAAEAAQAAKQgAAACAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:19:53 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:53.234373 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA2VjcwZvZmZpY2UDY29tAAAcAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:19:53 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:53.234373 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABA2VjcwZvZmZpY2UDY29tAAABAAEAACkIAAAAgAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:19:57 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:57.644862 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABCGdhbWVwbGF5BWludGVsA2NvbQAAHAABAAApCAAAAIAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers)"
Sun Jun 29 11:19:57 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:57.646961 ERROR response received addr=quic://dns.adguard-dns.com:853 proto=udp status="opening stream: failed to open a QUIC stream: context deadline exceeded"
Sun Jun 29 11:19:57 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:19:57.647059 ERROR response received addr=https://dns.adguard-dns.com:443/dns-query proto=udp status="requesting https://dns.adguard-dns.com:443/dns-query: Get_0rtt \"https://dns.adguard-dns.com:443/dns-query?dns=AAABIAABAAAAAAABCGdhbWVwbGF5BWludGVsA2NvbQAAAQABAAApCAAAAIAAAAA\": context deadline exceeded (Client.Timeout exceeded while awaiting headers
There have been no changes to my settings, so I'm a bit lost as to what could be causing these errors.
As I reported, I use dnsmasq and adguardhome, where in the dnsmasq cfgs, I redirect (forward) the queries to port 54 of adguardhome, and in adguard, I have settings to read the ptrs pointing to port 53 of dnsmasq, like this:
192.168.15.1 is my router...
I noticed some errors with the adguard Quic server, like these, I'm researching in parallel what this could be:
Sun Jun 29 11:25:37 2025 daemon.err AdGuardHome[27956]: 2025/06/29 14:25:37.731594 ERROR response received addr=quic://dns.adguard-dns.com:853 proto=udp status="opening stream: failed to open a QUIC stream: context deadline exceeded"