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
160.238.65.215
Brazil
187.102.161.38
Ukraine
31.172.139.205
South Africa
41.23.253.59
94.140.15.15
2606:4700:4700::1111
2001:4860:4860::8844
NextDNS
2a07:a8c1::53:54e9
NSEC 13 3 600 20260819212105 20260720203229 53469 upenn.edu. G+gY5DCoTd1Ae9KXJL2T3k5eCIYnb7FVigdZQ5SyeZBDnAYxDuxhWEbDBU04G9KLYn4rGsnHyYQtGgm1r1TcxQ==
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
NSEC 13 3 600 20260819212105 20260720203229 53469 upenn.edu. G+gY5DCoTd1Ae9KXJL2T3k5eCIYnb7FVigdZQ5SyeZBDnAYxDuxhWEbDBU04G9KLYn4rGsnHyYQtGgm1r1TcxQ==
TXT 13 3 300 20260802053641 20260703051507 53469 upenn.edu. x7Tud1HwRdrzjFSWkPTxLXxc9x170LkjNcuPRvC6DXv1Z04Fce+tvi8ApNdwuBzzSy4IMUTmiwkbsZbK1TIjZg==
MX 13 3 60 20260824025302 20260725023726 53469 upenn.edu. VXZsR/J1DtE0He4IqvmzfNfB83ioM+xHl+C8xaHQCAWHs+QTN8PoqYL7KCLFELCFQ4VciSHRXWHu+EF0neGVRA==
A 13 3 86400 20260824025302 20260725023726 53469 upenn.edu. DGnL1LaHtolmyHMcgqV/OZKaX4IKC+Z+XnU2DmGLa8FE9xIPdYDhN5FbsibnLO+/woUkl97o9xabqLjMQWAcKQ==
United States of America
129.153.155.81
185.228.168.168
OpenDns
208.67.222.222
2620:fe::9
No RRSIG records found
India
128.185.44.194
Canada
51.79.60.36
Russia
87.239.109.119
A 13 3 86400 20260824025302 20260725023726 53469 upenn.edu. DGnL1LaHtolmyHMcgqV/OZKaX4IKC+Z+XnU2DmGLa8FE9xIPdYDhN5FbsibnLO+/woUkl97o9xabqLjMQWAcKQ==