gnu.org to guix.gnu.org: No delegation NS records were detected in the parent zone (gnu.org). This results in an NXDOMAIN response to a DS query (for DNSSEC), even if the parent servers are authoritative for the child. See RFC 1034, Sec. 4.2.2. (188.165.235.157, 192.99.35.98, 192.99.37.66, 2001:41d0:2:b69d::1, 2607:5300:60:4a62::1, 2607:5300:60:4c42::1, UDP_-_EDNS0_4096_D_KN)
gnu.org zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (185.199.142.2, 219.117.250.214, 240b:10:f00:1b00::310)
guix.gnu.org zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (185.199.142.2)
guix.gnu.org/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (185.199.142.2, UDP_-_NOEDNS_)
guix.gnu.org/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (185.199.142.2, UDP_-_NOEDNS_)
Warnings (4)
NSEC3 proving non-existence of gnu.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
NSEC3 proving non-existence of gnu.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
org to gnu.org: AAAA glue records exist for ns3.gnu.org, but there are no corresponding authoritative AAAA records. See RFC 1034, Sec. 4.2.2.
org to gnu.org: The glue address(es) for ns3.gnu.org (219.117.250.214) differed from its authoritative address(es) (185.199.142.2). See RFC 1034, Sec. 4.2.2.