PS: The logfile says
2018-08-03T08:25:31Z INFO Checking DNS domain 10.0.10.in-addr.arpa., please wait ... 2018-08-03T08:26:01Z INFO Reverse zone 10.0.10.in-addr.arpa. for IP address 10.0.10.7 already exists
But I doubt that this is correct. dig returns
[root@idms00 centos]# dig -x 10.0.10.7
; <<>> DiG 9.9.4-RedHat-9.9.4-61.el7 <<>> -x 10.0.10.7 ;; global options: +cmd ;; connection timed out; no servers could be reached
[root@idms00 centos]# dig @1.1.1.1 -x 10.0.10.7
; <<>> DiG 9.9.4-RedHat-9.9.4-61.el7 <<>> @1.1.1.1 -x 10.0.10.7 ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6695 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 2
;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1452 ;; QUESTION SECTION: ;7.10.0.10.in-addr.arpa. IN PTR
;; AUTHORITY SECTION: 7.10.0.10.in-addr.arpa. 10800 IN SOA nobody.invalid. nobody.invalid. 1 3600 1200 604800 10800
;; ADDITIONAL SECTION: explanation.invalid. 10800 IN TXT "Blocking is mandated by standards, see references on https://www.iana.org/assignments/locally-served-dns-zones/locally-served-dns..."
;; Query time: 3 msec ;; SERVER: 1.1.1.1#53(1.1.1.1) ;; WHEN: Fri Aug 03 08:32:50 UTC 2018 ;; MSG SIZE rcvd: 274
I wonder how this is supposed to work?
Every insightful comment is highly appreciated. Harri