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
110.174.62.118
Netherlands
134.122.55.224
South Africa
41.23.184.213
Ukraine
91.218.49.53
94.140.15.15
1.0.0.1
8.8.4.4
NSEC 13 4 600 20260809025336 20260710021459 53469 upenn.edu. LkhZYDJByAbuWcEUlfH41pxvSsWclxdBwKxtN+WgAjrWGCdEOnv4ANWuPwmTnAbd2han3iRca0aE6zkS+KzBiw==
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
NextDNS
45.90.30.66
AAAA 13 4 86400 20260809025336 20260710021459 53469 upenn.edu. he2IXEDcU1fWe4+6Se0ae3ezI1fUFgwKjy87THOkhBHdh9lWwfTcxLRIgKWnT0tujyrxZOywunUdfwNfEog2Tw==
A 13 4 86400 20260820123414 20260721120157 53469 upenn.edu. ZxoFOgX5bGlGHQhvXLEAA1PYuujtXCEvvAV8AR0WSsIZ1Spb7iwOodGngby0Rjubl/WNpbbWCePTvd5o0yTayA==
NSEC 13 4 600 20260809025336 20260710021459 53469 upenn.edu. LkhZYDJByAbuWcEUlfH41pxvSsWclxdBwKxtN+WgAjrWGCdEOnv4ANWuPwmTnAbd2han3iRca0aE6zkS+KzBiw==
United States of America
129.153.155.81
Brazil
187.102.161.38
OpenDns
208.67.220.220
No RRSIG records found
India
128.185.44.194
Canada
51.79.60.36
Russia
87.239.109.119
A 13 4 86400 20260820123414 20260721120157 53469 upenn.edu. ZxoFOgX5bGlGHQhvXLEAA1PYuujtXCEvvAV8AR0WSsIZ1Spb7iwOodGngby0Rjubl/WNpbbWCePTvd5o0yTayA==