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
170.64.132.24
Ukraine
37.53.70.212
India
49.143.252.50
Netherlands
82.97.246.78
Russia
95.163.222.17
2606:4700:4700::1001
2001:4860:4860::8888
A 13 4 86400 20260703154415 20260603153924 53469 upenn.edu. 33Xw/+dIKgB7aEquzr6XBDUA3hkhtM5GtmFoD1Jg9RCGmOnmdjmtOWYb1XeWt3FnEXRidGuffqcjoakbEbUhyA==
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
94.140.15.15
NextDNS
2a07:a8c1::53:54e9
A 13 4 86400 20260703154415 20260603153924 53469 upenn.edu. 33Xw/+dIKgB7aEquzr6XBDUA3hkhtM5GtmFoD1Jg9RCGmOnmdjmtOWYb1XeWt3FnEXRidGuffqcjoakbEbUhyA==
SSHFP 13 4 86400 20260626011122 20260527002239 53469 upenn.edu. gFK7YrCHx5KJP+6sNviJegAO4FAvkXq/iytnP2HLFI+C5nh0F7wOSBjF2S7tDtXhH9Lzv2wdjR7TKnbF/dZQLg==
NSEC 13 4 600 20260703063227 20260603055557 53469 upenn.edu. Ep7z3oqVHzpesCudA8Pzl3X+Lk4FiuLnv9I+5Kj4/U+f028SJaGk18sNmeX0h0pyCuJLFrOza9cVVmFHuFEVYA==
AAAA 13 4 86400 20260703154415 20260603153924 53469 upenn.edu. 4m0JY3qndA0U3Wprtd4gysDKz8mfGM/NTzJCLRMha9Q+LfQYXKJRVj0gsJ1PS/a3PBOr3bBFwRS/GRSwDGu0dw==
Brazil
144.22.131.193
United States of America
150.136.61.69
Canada
176.125.239.120
2a0d:2a00:1::
OpenDns
208.67.222.222
2620:fe::fe
No RRSIG records found
South Africa
105.255.121.228
NSEC 13 4 600 20260703063227 20260603055557 53469 upenn.edu. Ep7z3oqVHzpesCudA8Pzl3X+Lk4FiuLnv9I+5Kj4/U+f028SJaGk18sNmeX0h0pyCuJLFrOza9cVVmFHuFEVYA==