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
105.243.201.161
India
172.232.76.111
Netherlands
185.140.209.224
Brazil
200.231.34.18
Australia
203.22.100.10
Ukraine
91.239.232.181
94.140.14.14
2606:4700:4700::1111
2001:4860:4860::8888
TXT 13 4 900 20260410010005 20260311002146 53469 upenn.edu. ofB2lANrz20HP7LJLRlNEa0USXPvCTtunzg66cOlKTrEaLixBZsbveL5hoe6JQfcWhxb7kpblNsOYSCXuluZuQ==
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
NextDNS
2a07:a8c1::53:54e9
2620:fe::9
TXT 13 4 900 20260410010005 20260311002146 53469 upenn.edu. ofB2lANrz20HP7LJLRlNEa0USXPvCTtunzg66cOlKTrEaLixBZsbveL5hoe6JQfcWhxb7kpblNsOYSCXuluZuQ==
NSEC 13 4 600 20260410010005 20260311002146 53469 upenn.edu. IGMiKs0cqhfV41kKoD+mPKbWdQjU1X2ZTR5E2IHCqCl3uirHAxpC6xCZ9xA6TN1BahchOnp0JDkT2IdU5XXwuw==
United States of America
208.93.196.147
Russia
217.26.29.42
Canada
66.70.164.12
2a0d:2a00:2::
OpenDns
2620:119:53::53
No RRSIG records found