pfizer.com/DNSKEY: The response had an invalid RCODE (SERVFAIL). (108.59.166.201, 108.59.168.201, 108.59.170.201, 108.59.172.201, 2600:2000:2100::c9, 2600:2000:2110::c9, 2600:2000:2120::c9, 2600:2000:2130::c9, UDP_-_EDNS0_512_D_KN, UDP_-_NOEDNS_)
Warnings (1)
pfizer.com/TXT: No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. (108.59.166.201, 108.59.168.201, 108.59.170.201, 2600:2000:2100::c9, 2600:2000:2110::c9, 2600:2000:2120::c9, 2600:2000:2130::c9, UDP_-_EDNS0_4096_D_KN)