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
105.243.205.120
Australia
123.100.147.201
United States of America
162.243.12.37
India
172.232.76.111
Ukraine
185.94.219.98
Brazil
200.231.34.18
Netherlands
51.15.97.87
2606:4700:4700::1001
8.8.8.8
NextDNS
2a07:a8c1::53:54e9
A 13 3 86400 20260418104637 20260319101646 53469 upenn.edu. Tt41RkAqFJP2/7HpCAddMl9BGBugLiymPc8XE56atVU+TpgXCozTxUHijiCPKDHePHlqzHGM2PPDYfC7p/vSrQ==
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 .
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
Canada
104.152.211.221
2a10:50c0::ad2:ff
AAAA 13 3 86400 20260418111047 20260319105819 53469 upenn.edu. fJVvh+D1uYwDUynrX8/IqrWNg3wd/dB8DaEqkUFHFOQLBAwaYvNwwyKnr+dJTX8ywfL8q+PUBOGmUDOo6+qZgA==
A 13 3 86400 20260418104637 20260319101646 53469 upenn.edu. Tt41RkAqFJP2/7HpCAddMl9BGBugLiymPc8XE56atVU+TpgXCozTxUHijiCPKDHePHlqzHGM2PPDYfC7p/vSrQ==
NSEC 13 3 600 20260418111047 20260319105819 53469 upenn.edu. iPcWP4fuqgJWm/uYFYAcQFZSUq8qUfPwW0FoAupM0IqTnDiizxmpkvVHu4U7Z9WN7rvGxDiKNNFu+btpgsXfnA==
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 .
adns3.nnn.upenn.edu
128.91.251.53
NSEC 13 3 600 20260407213310 20260308210605 53469 upenn.edu. hT4X1Cl88HJZi/b8O6+nYsU6NJB8cvvNlL/PuBBFOspy9MQIUmA8kMlu8371853edPw1D/QRhpAXZUQ/7G+fTQ==
AAAA 13 3 86400 20260407213310 20260308210605 53469 upenn.edu. 7qEH5A6yOB+NcOfweRXD8uxdqikBPMTEtcxWOMsWVjYbDnYk/3RTvkaOurLm0xLnJ8V9DHdsbU/Zm0zNxXrUrw==
A 13 3 86400 20260407213310 20260308210605 53469 upenn.edu. xYqjPIGKxFsSgZGt7Cmsx4bnGeIkAIMkCOOzQ8qxhqrfzPC5Y9jyiYMoPpEKJU2Rl1RyW81xvp97Zu3djopHGg==
No RRSIG records found