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
India
172.232.76.111
Ukraine
176.37.40.201
Netherlands
185.140.209.224
Brazil
200.231.34.18
Australia
203.22.100.10
South Africa
41.23.190.37
2606:4700:4700::1111
8.8.8.8
NextDNS
2a07:a8c0::53:54e9
A 13 4 86400 20260424093636 20260325084301 53469 upenn.edu. eGpokOS5TuOt7KkRAYjw3CYxoPfmH0r7aFM0lzRFBYtYqW9MVwzeiNhN0bQre7AUvEZrTCqGGoxR9vnEjOwhxQ==
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
United States of America
157.230.216.17
2a10:50c0::ad2:ff
NSEC 13 4 600 20260424082443 20260325074751 53469 upenn.edu. BeFyG9y82eZNxrcD1MhMAnjsWpKCKSPP7F2mvQ1HCeysYSH9KFYC0/XgI43MK2mZSC/BB39MpSF/zrB4GcDRug==
A 13 4 86400 20260424093636 20260325084301 53469 upenn.edu. eGpokOS5TuOt7KkRAYjw3CYxoPfmH0r7aFM0lzRFBYtYqW9MVwzeiNhN0bQre7AUvEZrTCqGGoxR9vnEjOwhxQ==
Russia
217.26.29.42
Canada
66.70.164.12
185.228.168.168
OpenDns
2620:119:53::53
149.112.112.112
No RRSIG records found