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
105.246.161.188
Australia
123.100.147.201
United States of America
162.243.12.37
India
172.232.76.111
Canada
184.163.45.211
Brazil
200.231.34.18
Ukraine
91.224.10.88
1.1.1.1
2001:4860:4860::8888
2620:fe::9
A 13 4 86400 20260411044700 20260312040048 53469 upenn.edu. lo4F8sU2dE+D72d9PkO7t+u9vjqi3aNJwwJ8EvvQT0WRxLY8BSCV7lo+bKc7HG78BCbSQgkQVMudavSS2bU5/g==
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::ad2:ff
NextDNS
2a07:a8c1::53:54e9
A 13 4 86400 20260411044700 20260312040048 53469 upenn.edu. lo4F8sU2dE+D72d9PkO7t+u9vjqi3aNJwwJ8EvvQT0WRxLY8BSCV7lo+bKc7HG78BCbSQgkQVMudavSS2bU5/g==
NSEC 13 4 600 20260423050458 20260324043437 53469 upenn.edu. +Z9a83tgADVqjN9OtrjvlQ96atr7jLMjlcILX/bzFYXJkL2BFq90gyW2Hgl3jmWbJWi0wf/eK87uqBjc4J4M9g==
Russia
185.246.88.234
Netherlands
45.14.48.161
185.228.168.168
OpenDns
2620:119:35::35
No RRSIG records found