Description of problem: Failed to create a zone after finished the created Version-Release number of selected component (if applicable): 16.2 root@ovn-db-01 ~]# rpm -qa |grep dns python3-dns-1.15.0-10.el8.noarch puppet-dns-6.2.1-2.20220110214338.2ae1cd7.el8ost.noarch How reproducible: deploy and create a zone Steps to Reproduce: 1. 2. 3. Actual results: 2023-08-21 04:34:03.302 14 INFO designate.dnsutils [designate-manage - - - - -] Doing AXFR for example.com. from {'zone_id': '366c4b4c-6c3e-441b-9b2f-b142284441f3', 'host': '1.2.3.4', 'port': 5354, 'id': '3bc411db-6f7f-4334-a226- 4f559425d752', 'created_at': datetime.datetime(2023, 8, 21, 4, 34, 3), 'updated_at': None, 'version': 1} 72 2023-08-21 04:34:03.304 14 ERROR designate.dnsutils [designate-manage - - - - -] Problem doing AXFR example.com. from {'zone_id': '366c4b4c-6c3e-441b-9b2f-b142284441f3', 'host': '1.2.3.4', 'port': 5354, 'id': '3bc411db-6f7f-4334- a226-4f559425d752', 'created_at': datetime.datetime(2023, 8, 21, 4, 34, 3), 'updated_at': None, 'version': 1}. Trying next server.: TypeError: '>' not supported between instances of 'float' and 'NoneType' 73 2023-08-21 04:34:03.304 14 ERROR designate.dnsutils Traceback (most recent call last): 74 2023-08-21 04:34:03.304 14 ERROR designate.dnsutils File "/usr/lib/python3.6/site-packages/designate/dnsutils.py", line 359, in do_axfr 75 2023-08-21 04:34:03.304 14 ERROR designate.dnsutils raw_zone = dns.zone.from_xfr(xfr, relativize=False) 76 2023-08-21 04:34:03.304 14 ERROR designate.dnsutils File "/usr/lib/python3.6/site-packages/dns/zone.py", line 1066, in from_xfr 77 2023-08-21 04:34:03.304 14 ERROR designate.dnsutils for r in xfr: 78 2023-08-21 04:34:03.304 14 ERROR designate.dnsutils File "/usr/lib/python3.6/site-packages/dns/query.py", line 470, in xfr 79 2023-08-21 04:34:03.304 14 ERROR designate.dnsutils if mexpiration is None or mexpiration > expiration: 80 2023-08-21 04:34:03.304 14 ERROR designate.dnsutils TypeError: '>' not supported between instances of 'float' and 'NoneType' 81 2023-08-21 04:34:03.304 14 ERROR designate.dnsutils 82 2023-08-21 04:34:03.306 14 WARNING designate.mdns.xfr [designate-manage - - - - -] XFR failed for example.com.. No servers in [{'zone_id': '366c4b4c-6c3e-441b-9b2f-b142284441f3', 'host': '1.2.3.4', 'port': 5354, 'id': '3bc411db-6 f7f-4334-a226-4f559425d752', 'created_at': datetime.datetime(2023, 8, 21, 4, 34, 3), 'updated_at': None, 'version': 1}] was reached.: designate.exceptions.XFRFailure: XFR failed for example.com.. No servers in [{'zone_id': '366c4b4c- 6c3e-441b-9b2f-b142284441f3', 'host': '1.2.3.4', 'port': 5354, 'id': '3bc411db-6f7f-4334-a226-4f559425d752', 'created_at': datetime.datetime(2023, 8, 21, 4, 34, 3), 'updated_at': None, 'version': 1}] was reached. 83 2023-08-21 04:34:03.854 15 INFO designate.service [req-f37a1ba5-f0dd-45ea-9c90-ccf75b59357b - - - - -] TCP Timeout from: 1.2.3.4:34346 Expected results: create successed Additional info: I found the upstream disscussion here, it seems we hits it. https://bugs.launchpad.net/designate/+bug/1941988 https://bugs.launchpad.net/designate/+bug/1941988/comments/0