RRSIG records not consistent
Authoritative servers are returning different records.
- This likely indicates a DNS server configuration issue.
- Records may not have propagated among authoritative servers yet.
DNS server
TTL
Time To Live
The amount of time a DNS record is cached for.
Records returned by these servers
The official source of information for this domain,
managed by the owner of upenn.edu .
managed by the owner of upenn.edu .
adns4.upenn.edu
208.94.148.32
The official source of information for this domain,
managed by the owner of upenn.edu .
managed by the owner of upenn.edu .
adns5.upenn.edu
208.80.124.32
The official source of information for this domain,
managed by the owner of upenn.edu .
managed by the owner of upenn.edu .
adns6.upenn.edu
208.80.126.32
Australia
123.100.147.201
United States of America
162.243.12.37
India
172.232.76.111
Canada
172.82.108.241
Ukraine
194.177.1.123
Brazil
200.231.34.18
Russia
37.193.64.19
South Africa
41.0.174.222
2606:4700:4700::1001
2001:4860:4860::8888
NextDNS
45.90.28.66
A 13 4 86400 20260406135824 20260307135433 53469 upenn.edu. hOcx0ZaSsBUROCXZoIOCvHtIeHCndMEl6Xu03CkBuPlV21IN3RHvMOYcmx3Fn8NNgSiBTbRV9PVPi/SV2hDueA==
The official source of information for this domain,
managed by the owner of upenn.edu .
managed by the owner of upenn.edu .
adns1.nnn.upenn.edu
128.91.2.53
The official source of information for this domain,
managed by the owner of upenn.edu .
managed by the owner of upenn.edu .
adns2.nnn.upenn.edu
128.91.254.53
The official source of information for this domain,
managed by the owner of upenn.edu .
managed by the owner of upenn.edu .
adns3.nnn.upenn.edu
128.91.251.53
The official source of information for this domain,
managed by the owner of upenn.edu .
managed by the owner of upenn.edu .
dns1.udel.edu
128.175.13.16
The official source of information for this domain,
managed by the owner of upenn.edu .
managed by the owner of upenn.edu .
dns2.udel.edu
128.175.13.17
94.140.14.14
SSHFP 13 4 86400 20260413151610 20260314150051 53469 upenn.edu. DSuRpSv/b+mqYMCa7L8ZE89rQVjpEHU2HcspxHk536je6gH7iubLT8rQf8A7mP6YjIK6Apt++vQkQA3Ddf6d+A==
NSEC 13 4 600 20260406182834 20260307180114 53469 upenn.edu. jGW00zyBk42yjMYFYUWWZR7uBcRBOJgyWzLPA9iL4B8bluqJf9HQ81ptsed/b6sf0IZvHt61YcI6Eb/UvgIsVA==
AAAA 13 4 86400 20260406120857 20260307120849 53469 upenn.edu. u27kNYB56TC8hFzwV45jadBtq+xJXzHBxTrU1SgC4su+IIAKRyvls7OEuGN2IzAuvXz7ecNle8Al7tBs6Qcyxw==
A 13 4 86400 20260406135824 20260307135433 53469 upenn.edu. hOcx0ZaSsBUROCXZoIOCvHtIeHCndMEl6Xu03CkBuPlV21IN3RHvMOYcmx3Fn8NNgSiBTbRV9PVPi/SV2hDueA==
No RRSIG records found