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
South Africa
105.243.200.235
Australia
123.100.147.201
United States of America
162.243.12.37
India
172.232.76.111
Netherlands
176.74.232.180
Ukraine
178.151.192.252
Brazil
200.231.34.18
Canada
70.26.215.42
Russia
94.45.223.82
2606:4700:4700::1111
8.8.8.8
NextDNS
45.90.28.66
A 13 4 86400 20260406080722 20260307074609 53469 upenn.edu. BuGHY9+q9CoDB0pEw5ptsjeHLbchrrdEF0aHn9xZm1huepOWVOadrAmKONCdl40hSULNfybixehc7My/0IzbaQ==
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
2a10:50c0::ad1:ff
AAAA 13 4 86400 20260413114844 20260314112758 53469 upenn.edu. N/QddzVs+28LlHKSITDiSpOZ2NdYzly8SptlfM2HT8TSuOS3Vg4Qs6KVf9WFq4r96eiuyizVtd1ub9yIZc4qIA==
A 13 4 86400 20260406080722 20260307074609 53469 upenn.edu. BuGHY9+q9CoDB0pEw5ptsjeHLbchrrdEF0aHn9xZm1huepOWVOadrAmKONCdl40hSULNfybixehc7My/0IzbaQ==
NSEC 13 4 600 20260413114844 20260314112758 53469 upenn.edu. R0fuedgR6N0DU+ynTqzJpBqAS+cJOp8BwhEp6rqRqC2dN/oqX3bFGGbhdnPAbn423yVMQ8V8MHimRsfH3Zzh2A==
No RRSIG records found