pfizer.com/DNSKEY: The response had an invalid RCODE (SERVFAIL). (108.59.161.15, 108.59.162.15, 108.59.163.15, 108.59.164.15, 2600:2000:2210::15, 2600:2000:2220::15, 2600:2000:2230::15, 2600:2000:2240::15, 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. (2600:2000:2210::15, 2600:2000:2220::15, 2600:2000:2230::15, 2600:2000:2240::15, UDP_-_EDNS0_4096_D_KN)