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
Russia
158.255.6.110
United States of America
162.243.12.37
India
172.232.76.111
Brazil
200.231.34.18
Netherlands
209.42.193.93
Canada
24.50.58.14
South Africa
41.23.98.96
Ukraine
81.30.169.194
94.140.15.15
2606:4700:4700::1111
2001:4860:4860::8888
NextDNS
2a07:a8c0::53:54e9
9.9.9.9
A 13 3 86400 20260403055148 20260304054251 53469 upenn.edu. LvGfIC/WdcVlCe12nEl//+L0nBRqgizWUZwVObwWM/dOipDWAe9zk1pzniESRL5JfC+xqILJ826xvQ7+srdyfA==
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 20260407054917 20260308054400 53469 upenn.edu. i0iR6fcUboHOl5wd0Ep2gUXe9yzWwiexx/QN+ckNiXGOZ6Iqz8vqwZPNzdcLaJUxCEozLl8WmWCBmdQBbZ7VJQ==
AAAA 13 3 86400 20260407054917 20260308054400 53469 upenn.edu. v3fNrbyhRQpa9l38pxWK+fJQPf0bet8WrkTfmC1vmUt1hxO1PAjq9UYmxFK37syU29yJYdiLe92o9266gWPcDw==
A 13 3 86400 20260403055148 20260304054251 53469 upenn.edu. LvGfIC/WdcVlCe12nEl//+L0nBRqgizWUZwVObwWM/dOipDWAe9zk1pzniESRL5JfC+xqILJ826xvQ7+srdyfA==
185.228.168.168
OpenDns
208.67.222.222
No RRSIG records found