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
Russia
144.31.107.158
United States of America
15.204.228.131
India
185.67.125.225
Brazil
187.102.161.38
Ukraine
91.241.176.31
Netherlands
94.228.210.90
2606:4700:4700::1001
8.8.4.4
A 13 4 86400 20260715084900 20260615080022 53469 upenn.edu. kgrzKuNlEwHwseg2thsA7CbCIMRKRZ/Pb7bzW5xnsFinaQp4Se4CwG6rAbMkzgeiYBBWbXL+tAGTLPFK99ezyA==
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
Australia
124.171.140.131
94.140.15.15
NextDNS
2a07:a8c0::53:54e9
A 13 4 86400 20260715084900 20260615080022 53469 upenn.edu. kgrzKuNlEwHwseg2thsA7CbCIMRKRZ/Pb7bzW5xnsFinaQp4Se4CwG6rAbMkzgeiYBBWbXL+tAGTLPFK99ezyA==
NSEC 13 4 600 20260727172130 20260627163417 53469 upenn.edu. yuClx85yJZ8qS3qg6k0l6VMv7qkBL90BZoFyZSxGwmvsefpg7wXZH7AZvvVARbQibz/e3Cxh3Mx9C/4MAcTk5g==
No RRSIG records found
South Africa
105.247.175.229
NSEC 13 4 600 20260727172130 20260627163417 53469 upenn.edu. yuClx85yJZ8qS3qg6k0l6VMv7qkBL90BZoFyZSxGwmvsefpg7wXZH7AZvvVARbQibz/e3Cxh3Mx9C/4MAcTk5g==