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
Australia
123.100.147.201
Canada
142.120.177.249
India
172.232.76.111
Ukraine
185.36.146.233
Brazil
200.231.34.18
South Africa
41.23.252.39
Russia
90.156.154.67
2606:4700:4700::1001
8.8.4.4
A 13 4 86400 20260413004456 20260314001303 53469 upenn.edu. 2805iunM7asGRtzsckN90a072/P2JSTkyPh6zaiOzij4aMHLWRfq1hKOaBvjfUNaK3xbqdjDPOygNAUFlSBQGw==
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
162.243.12.37
2a10:50c0::ad2:ff
NextDNS
2a07:a8c1::53:54e9
AAAA 13 4 86400 20260402143922 20260303143551 53469 upenn.edu. eErpPi8UC0zXb46s/IcEM3SEkgvPHW9Wsiv45oodaS4PAKvEyNBDfwa0piD4FeNczxsEj2RtgfvcCbGSCp4org==
A 13 4 86400 20260413004456 20260314001303 53469 upenn.edu. 2805iunM7asGRtzsckN90a072/P2JSTkyPh6zaiOzij4aMHLWRfq1hKOaBvjfUNaK3xbqdjDPOygNAUFlSBQGw==
NSEC 13 4 600 20260402143922 20260303143551 53469 upenn.edu. bl3pc8bAjCs5cy31zV0m7ypM8+e0IsHtt4jXjk/BHJo9nqBNM/DZmlokkjmxKn7WQXxYizCU9Qsyf/IjUILYSQ==
No RRSIG records found