I updated from 21... to 23... I performed the update process as follows.
However, since then the DNS resolution no longer works, although I have taken over all configuration files 1 to 1. The internal resolution works just not the external one. Say avm.de is not resolved as an IP. I turned off the firewall completely and still Internet FQDN are no longer resolved. A short log about it.
Under 21... everything works fine.
Here is my log under 23...
22:41:33.838281 IP (tos 0x0, ttl 64, id 44009, offset 0, flags [none], proto UDP (17), length 142)
dsme01.intern.example.com.53 > 192.168.10.133.40317: [udp sum ok] 10097 NXDomain q: A? spectrum.s3.amazonaws.com.intern.example.com. 0/1/0 ns: intern.example.com. [44m50s] SOA dsme01.intern.example.com. postmaster.example.com. 0 1800 3600 604800 84600 (114)
22:41:33.838303 IP (tos 0x0, ttl 63, id 44009, offset 0, flags [none], proto UDP (17), length 142)
dsme01.intern.example.com.53 > 192.168.10.133.40317: [udp sum ok] 10097 NXDomain q: A? spectrum.s3.amazonaws.com.intern.example.com. 0/1/0 ns: intern.example.com. [44m50s] SOA dsme01.intern.example.com. postmaster.example.com. 0 1800 3600 604800 84600 (114)
22:41:33.838620 IP (tos 0x0, ttl 64, id 53429, offset 0, flags [DF], proto UDP (17), length 88)
192.168.10.133.40317 > dsme01.intern.example.com.53: [udp sum ok] 62318+ AAAA? spectrum.s3.amazonaws.com.intern.example.com. (60)
22:41:33.838641 IP (tos 0x0, ttl 63, id 53429, offset 0, flags [DF], proto UDP (17), length 88)
192.168.10.133.40317 > dsme01.intern.example.com.53: [udp sum ok] 62318+ AAAA? spectrum.s3.amazonaws.com.intern.example.com. (60)
22:41:33.838937 IP (tos 0x0, ttl 64, id 44010, offset 0, flags [none], proto UDP (17), length 142)
dsme01.intern.example.com.53 > 192.168.10.133.40317: [udp sum ok] 62318 NXDomain q: AAAA? spectrum.s3.amazonaws.com.intern.example.com. 0/1/0 ns: intern.example.com. [44m50s] SOA dsme01.intern.example.com. postmaster.example.com. 0 1800 3600 604800 84600 (114)
22:41:33.838958 IP (tos 0x0, ttl 63, id 44010, offset 0, flags [none], proto UDP (17), length 142)
dsme01.intern.example.com.53 > 192.168.10.133.40317: [udp sum ok] 62318 NXDomain q: AAAA? spectrum.s3.amazonaws.com.intern.example.com. 0/1/0 ns: intern.example.com. [44m50s] SOA dsme01.intern.example.com. postmaster.example.com. 0 1800 3600 604800 84600 (114)
22:41:34.040526 IP (tos 0x0, ttl 64, id 53442, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.43727 > dsme01.intern.example.com.53: [udp sum ok] 43837+ A? spectrum.s3.amazonaws.com. (43)
22:41:34.040671 IP (tos 0x0, ttl 63, id 53442, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.43727 > dsme01.intern.example.com.53: [udp sum ok] 43837+ A? spectrum.s3.amazonaws.com. (43)
22:41:34.040945 IP (tos 0x0, ttl 64, id 53443, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.43727 > dsme01.intern.example.com.53: [udp sum ok] 11562+ AAAA? spectrum.s3.amazonaws.com. (43)
22:41:34.041039 IP (tos 0x0, ttl 63, id 53443, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.43727 > dsme01.intern.example.com.53: [udp sum ok] 11562+ AAAA? spectrum.s3.amazonaws.com. (43)
22:41:34.041130 IP (tos 0x0, ttl 64, id 44050, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.43727: [udp sum ok] 43837 ServFail q: A? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m39s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.041158 IP (tos 0x0, ttl 63, id 44050, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.43727: [udp sum ok] 43837 ServFail q: A? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m39s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.041375 IP (tos 0x0, ttl 64, id 44051, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.43727: [udp sum ok] 11562 ServFail q: AAAA? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m42s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.041402 IP (tos 0x0, ttl 63, id 44051, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.43727: [udp sum ok] 11562 ServFail q: AAAA? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m42s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.042435 IP (tos 0x0, ttl 64, id 53444, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.43727 > dsme01.intern.example.com.53: [udp sum ok] 43837+ A? spectrum.s3.amazonaws.com. (43)
22:41:34.042471 IP (tos 0x0, ttl 63, id 53444, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.43727 > dsme01.intern.example.com.53: [udp sum ok] 43837+ A? spectrum.s3.amazonaws.com. (43)
22:41:34.042621 IP (tos 0x0, ttl 64, id 53445, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.43727 > dsme01.intern.example.com.53: [udp sum ok] 11562+ AAAA? spectrum.s3.amazonaws.com. (43)
22:41:34.042642 IP (tos 0x0, ttl 63, id 53445, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.43727 > dsme01.intern.example.com.53: [udp sum ok] 11562+ AAAA? spectrum.s3.amazonaws.com. (43)
22:41:34.042734 IP (tos 0x0, ttl 64, id 44052, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.43727: [udp sum ok] 43837 ServFail q: A? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m39s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.042760 IP (tos 0x0, ttl 63, id 44052, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.43727: [udp sum ok] 43837 ServFail q: A? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m39s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.042906 IP (tos 0x0, ttl 64, id 44053, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.43727: [udp sum ok] 11562 ServFail q: AAAA? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m42s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.042931 IP (tos 0x0, ttl 63, id 44053, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.43727: [udp sum ok] 11562 ServFail q: AAAA? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m42s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.047173 IP (tos 0x0, ttl 64, id 53446, offset 0, flags [DF], proto UDP (17), length 88)
192.168.10.133.38641 > dsme01.intern.example.com.53: [udp sum ok] 13307+ A? spectrum.s3.amazonaws.com.intern.example.com. (60)
22:41:34.047232 IP (tos 0x0, ttl 63, id 53446, offset 0, flags [DF], proto UDP (17), length 88)
192.168.10.133.38641 > dsme01.intern.example.com.53: [udp sum ok] 13307+ A? spectrum.s3.amazonaws.com.intern.example.com. (60)
22:41:34.047553 IP (tos 0x0, ttl 64, id 44054, offset 0, flags [none], proto UDP (17), length 142)
dsme01.intern.example.com.53 > 192.168.10.133.38641: [udp sum ok] 13307 NXDomain q: A? spectrum.s3.amazonaws.com.intern.example.com. 0/1/0 ns: intern.example.com. [44m49s] SOA dsme01.intern.example.com. postmaster.example.com. 0 1800 3600 604800 84600 (114)
22:41:34.047650 IP (tos 0x0, ttl 63, id 44054, offset 0, flags [none], proto UDP (17), length 142)
dsme01.intern.example.com.53 > 192.168.10.133.38641: [udp sum ok] 13307 NXDomain q: A? spectrum.s3.amazonaws.com.intern.example.com. 0/1/0 ns: intern.example.com. [44m49s] SOA dsme01.intern.example.com. postmaster.example.com. 0 1800 3600 604800 84600 (114)
22:41:34.049354 IP (tos 0x0, ttl 64, id 53447, offset 0, flags [DF], proto UDP (17), length 88)
192.168.10.133.38641 > dsme01.intern.example.com.53: [udp sum ok] 21708+ AAAA? spectrum.s3.amazonaws.com.intern.example.com. (60)
22:41:34.049393 IP (tos 0x0, ttl 63, id 53447, offset 0, flags [DF], proto UDP (17), length 88)
192.168.10.133.38641 > dsme01.intern.example.com.53: [udp sum ok] 21708+ AAAA? spectrum.s3.amazonaws.com.intern.example.com. (60)
22:41:34.049713 IP (tos 0x0, ttl 64, id 44055, offset 0, flags [none], proto UDP (17), length 142)
dsme01.intern.example.com.53 > 192.168.10.133.38641: [udp sum ok] 21708 NXDomain q: AAAA? spectrum.s3.amazonaws.com.intern.example.com. 0/1/0 ns: intern.example.com. [44m49s] SOA dsme01.intern.example.com. postmaster.example.com. 0 1800 3600 604800 84600 (114)
22:41:34.049807 IP (tos 0x0, ttl 63, id 44055, offset 0, flags [none], proto UDP (17), length 142)
dsme01.intern.example.com.53 > 192.168.10.133.38641: [udp sum ok] 21708 NXDomain q: AAAA? spectrum.s3.amazonaws.com.intern.example.com. 0/1/0 ns: intern.example.com. [44m49s] SOA dsme01.intern.example.com. postmaster.example.com. 0 1800 3600 604800 84600 (114)
22:41:34.120189 IP (tos 0x0, ttl 128, id 10512, offset 0, flags [none], proto UDP (17), length 75)
192.168.30.66.62131 > dsme01.intern.example.com.53: [udp sum ok] 45141+ A? ic3.events.data.microsoft.com. (47)
22:41:34.120284 IP (tos 0x0, ttl 127, id 10512, offset 0, flags [none], proto UDP (17), length 75)
192.168.30.66.62131 > dsme01.intern.example.com.53: [udp sum ok] 45141+ A? ic3.events.data.microsoft.com. (47)
22:41:34.120298 IP (tos 0x0, ttl 128, id 10513, offset 0, flags [none], proto UDP (17), length 75)
192.168.30.66.52083 > dsme01.intern.example.com.53: [udp sum ok] 39873+ AAAA? ic3.events.data.microsoft.com. (47)
22:41:34.120321 IP (tos 0x0, ttl 127, id 10513, offset 0, flags [none], proto UDP (17), length 75)
192.168.30.66.52083 > dsme01.intern.example.com.53: [udp sum ok] 39873+ AAAA? ic3.events.data.microsoft.com. (47)
22:41:34.120988 IP (tos 0x0, ttl 64, id 52121, offset 0, flags [none], proto UDP (17), length 71)
dsme01.intern.example.com.53 > 192.168.20.1.34189: [udp sum ok] 56707 ServFail q: PTR? 1.48.254.199.in-addr.arpa. 0/0/0 (43)
22:41:34.121116 IP (tos 0x0, ttl 64, id 52122, offset 0, flags [none], proto UDP (17), length 71)
dsme01.intern.example.com.53 > 192.168.20.1.34189: [udp sum ok] 56707 ServFail q: PTR? 1.48.254.199.in-addr.arpa. 0/0/0 (43)
22:41:34.121214 IP (tos 0x0, ttl 64, id 52123, offset 0, flags [none], proto UDP (17), length 71)
dsme01.intern.example.com.53 > 192.168.20.1.34189: [udp sum ok] 56707 ServFail q: PTR? 1.48.254.199.in-addr.arpa. 0/0/0 (43)
22:41:34.237324 IP (tos 0x0, ttl 64, id 53460, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.35685 > dsme01.intern.example.com.53: [udp sum ok] 26748+ A? spectrum.s3.amazonaws.com. (43)
22:41:34.237468 IP (tos 0x0, ttl 63, id 53460, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.35685 > dsme01.intern.example.com.53: [udp sum ok] 26748+ A? spectrum.s3.amazonaws.com. (43)
22:41:34.237823 IP (tos 0x0, ttl 64, id 44074, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.35685: [udp sum ok] 26748 ServFail q: A? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m39s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.237929 IP (tos 0x0, ttl 63, id 44074, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.35685: [udp sum ok] 26748 ServFail q: A? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m39s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.238035 IP (tos 0x0, ttl 64, id 53461, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.35685 > dsme01.intern.example.com.53: [udp sum ok] 43687+ AAAA? spectrum.s3.amazonaws.com. (43)
22:41:34.238063 IP (tos 0x0, ttl 63, id 53461, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.35685 > dsme01.intern.example.com.53: [udp sum ok] 43687+ AAAA? spectrum.s3.amazonaws.com. (43)
22:41:34.238326 IP (tos 0x0, ttl 64, id 44075, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.35685: [udp sum ok] 43687 ServFail q: AAAA? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m42s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.238360 IP (tos 0x0, ttl 63, id 44075, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.35685: [udp sum ok] 43687 ServFail q: AAAA? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m42s] CNAME s3-1-w.amazonaws.com. (64)
22:41:34.240182 IP (tos 0x0, ttl 64, id 53462, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.35685 > dsme01.intern.example.com.53: [udp sum ok] 26748+ A? spectrum.s3.amazonaws.com. (43)
22:41:34.240220 IP (tos 0x0, ttl 63, id 53462, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.35685 > dsme01.intern.example.com.53: [udp sum ok] 26748+ A? spectrum.s3.amazonaws.com. (43)
22:41:34.240468 IP (tos 0x0, ttl 64, id 53463, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.35685 > dsme01.intern.example.com.53: [udp sum ok] 43687+ AAAA? spectrum.s3.amazonaws.com. (43)
22:41:34.240562 IP (tos 0x0, ttl 63, id 53463, offset 0, flags [DF], proto UDP (17), length 71)
192.168.10.133.35685 > dsme01.intern.example.com.53: [udp sum ok] 43687+ AAAA? spectrum.s3.amazonaws.com. (43)
22:41:34.240673 IP (tos 0x0, ttl 64, id 44076, offset 0, flags [none], proto UDP (17), length 92)
dsme01.intern.example.com.53 > 192.168.10.133.35685: [udp sum ok] 26748 ServFail q: A? spectrum.s3.amazonaws.com. 1/0/0 spectrum.s3.amazonaws.com. [3h59m39s] CNAME s3-1-w.amazonaws.com. (64)
I just can't find the error. Stay on version 21 now...
Runs very stable!