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
105.246.182.136
India
172.232.76.111
Netherlands
185.140.209.224
Brazil
200.231.34.18
Australia
203.22.100.10
Canada
68.183.205.238
Ukraine
91.239.232.181
94.140.14.14
2606:4700:4700::1001
8.8.8.8
NextDNS
45.90.30.66
A 13 4 86400 20260421215504 20260322212950 53469 upenn.edu. 1gKuU1bzD8wRZWgO0Tz7tnMKTmhu5c8S/JpPOabtSBgC8Oz/oE9AWuK3VCSBDxnIyOweGd3Fuf+87Qg2mqShNw==
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
149.112.112.112
NSEC 13 4 600 20260408101845 20260309100432 53469 upenn.edu. Tu3qVJmv7Q4e5t50a7kgAcMTHw07SHrGwViYoSrck//ZrVSut8mrOmGALrTffxFAKzIlDPQhiG13hHF4e3YXiw==
AAAA 13 4 86400 20260421215504 20260322212950 53469 upenn.edu. UjkSHXVXRrvi/9GAFpuEMzjmB1kkl+ZrFrCJw8EzgfJl6MSQ8UFIs1b6uXNuD+k8qfGmnTxlPfgfZ/z0pw4Dsg==
A 13 4 86400 20260421215504 20260322212950 53469 upenn.edu. 1gKuU1bzD8wRZWgO0Tz7tnMKTmhu5c8S/JpPOabtSBgC8Oz/oE9AWuK3VCSBDxnIyOweGd3Fuf+87Qg2mqShNw==
SSHFP 13 4 86400 20260425053721 20260326044604 53469 upenn.edu. 9vPtUCVvcAHKTHMP1IHsm12/IshDw0facb5S0ebalZge8df+5ya8SEb5E+k0+Iz2Y6vqo57VkYmx67fxtl34Mg==
United States of America
208.93.196.147
Russia
217.26.29.42
185.228.169.168
OpenDns
208.67.220.220
No RRSIG records found