Also, noticed this in other server which got crashed with same logs. Enclosed 1 minute log before crash. http://81.91.12.28/_dns_crash_before_1min_.log.gz
====================================== Dec 7 11:51:47 dns2 named[1305]: no valid DS resolving 'bahnuaayklyzeofxzdde.gb.com/DS/IN': <unknown address, family 57054> Dec 7 11:51:47 dns2 named[1305]: no valid DS resolving 'nqqfrjygddiijntpzdjd.gb.com/DS/IN': <unknown address, family 57054> Dec 7 11:51:47 dns2 named[1305]: validating hu.com/SOA: got insecure response; parent indicates it should be secure Dec 7 11:51:47 dns2 named[1305]: no valid RRSIG resolving 'gekasappen.hu.com/DS/IN': 208.109.255.64#53 Dec 7 11:51:47 dns2 named[1305]: no valid DS resolving 'gekasappen.hu.com/NS/IN': 216.69.185.64#53 Dec 7 11:51:47 dns2 named[1305]: no valid DS resolving 'pndtdisenvjwiwplgyot.gb.com/DS/IN': 2600:1800:10::1#53 Dec 7 11:51:47 dns2 named[1305]: ../../../lib/isc/netaddr.c:358: INSIST(0) failed, back trace Dec 7 11:51:47 dns2 named[1305]: #0 0x561b704538b0 in ?? Dec 7 11:51:47 dns2 named[1305]: #1 0x7f75748c6e7a in ?? Dec 7 11:51:47 dns2 named[1305]: #2 0x7f75748de518 in ?? Dec 7 11:51:47 dns2 named[1305]: #3 0x7f75748e6832 in ?? Dec 7 11:51:47 dns2 named[1305]: #4 0x7f75748e698b in ?? Dec 7 11:51:47 dns2 named[1305]: #5 0x7f75756a3f12 in ?? Dec 7 11:51:47 dns2 named[1305]: #6 0x7f75756b0b6c in ?? Dec 7 11:51:47 dns2 named[1305]: #7 0x7f75748eb360 in ?? Dec 7 11:51:47 dns2 named[1305]: #8 0x7f75742946ba in ?? Dec 7 11:51:47 dns2 named[1305]: #9 0x7f75739de3dd in ?? Dec 7 11:51:47 dns2 named[1305]: exiting (due to assertion failure) ====================================== Thanks /Jay -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1736943 Title: 9.10.3.dfsg.P4-8ubuntu1.9 - keep on crashing on Ubuntu 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bind9/+bug/1736943/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs