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
102.130.122.38
Australia
123.100.147.201
Russia
147.78.66.155
United States of America
162.243.12.37
India
172.232.76.111
Ukraine
193.238.152.32
Brazil
200.231.34.18
2606:4700:4700::1111
8.8.4.4
NextDNS
45.90.30.66
TXT 13 4 900 20260327024600 20260225015318 53469 upenn.edu. HQpudk4vJEiBhetXZQ4E2Hue+pbSAySuaDljWOkP0qB2nYZTHEVkTjyAOvLBoQXkdr1nzBYL5bwr3Irly9GtuQ==
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::ad1:ff
NSEC 13 4 600 20260410010005 20260311002146 53469 upenn.edu. 0ZzbWph+oHbaNh3a61AfPhORl7n3JqxFQ6P3LiY/JGyB7ChGX07DAmJ1gZZinDTeOidb2w+uMgw67iqV4Ft0tA==
TXT 13 4 900 20260327024600 20260225015318 53469 upenn.edu. HQpudk4vJEiBhetXZQ4E2Hue+pbSAySuaDljWOkP0qB2nYZTHEVkTjyAOvLBoQXkdr1nzBYL5bwr3Irly9GtuQ==
Canada
51.222.248.234
Netherlands
80.74.29.136
2a0d:2a00:2::
OpenDns
208.67.222.222
2620:fe::9
No RRSIG records found