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
105.243.201.52
India
140.238.251.208
United States of America
162.243.12.37
Brazil
168.195.21.74
Ukraine
178.158.198.120
Canada
184.161.94.88
Russia
85.236.189.98
2606:4700:4700::1111
8.8.4.4
NextDNS
2a07:a8c1::53:54e9
9.9.9.9
A 13 4 86400 20260405081601 20260306072707 53469 upenn.edu. K+wE9k+y2896iFvus5AjJ5uuluDj9WyXrQwK7cEXq4gohjjp9tpCZeaDNJDAVyw88DmNCellw03I3ekffh6Bow==
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
94.140.14.14
A 13 4 86400 20260405081601 20260306072707 53469 upenn.edu. K+wE9k+y2896iFvus5AjJ5uuluDj9WyXrQwK7cEXq4gohjjp9tpCZeaDNJDAVyw88DmNCellw03I3ekffh6Bow==
NSEC 13 4 600 20260408231940 20260309230236 53469 upenn.edu. cTOoSUqCiZ8Py8yl5LAiMnoS810Ax3CtAoOLK9hcQdciONkGTeTo498r5abCYOfSqEYKeNCDGwl8vTyFvXQfVQ==
Australia
203.22.103.4
Netherlands
45.14.48.161
185.228.169.168
OpenDns
2620:119:35::35
No RRSIG records found