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
105.243.207.86
Australia
123.100.147.201
United States of America
162.243.12.37
India
172.232.76.111
Ukraine
193.150.122.249
Brazil
200.231.34.18
Canada
208.181.238.195
1.0.0.1
8.8.8.8
A 13 4 86400 20260402190553 20260303184654 53469 upenn.edu. phvZuh3KyC78f32F9xhxaHQx5j1y4Aizrx1UVeHFuSuWCg9gHUBqix+mPsgOyfBgYob4rMvatwJqmjMtGH/5ww==
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 20260402193947 20260303192842 53469 upenn.edu. BnnOy9PglqluLCq1fjErEmar6DW8aSgh3Os461/G42/3PP5+SCPkV7OXta5Re+Et6X9PZyUgmEqbEw2BC/PofQ==
A 13 4 86400 20260402190553 20260303184654 53469 upenn.edu. phvZuh3KyC78f32F9xhxaHQx5j1y4Aizrx1UVeHFuSuWCg9gHUBqix+mPsgOyfBgYob4rMvatwJqmjMtGH/5ww==
No RRSIG records found
Netherlands
45.14.48.161
NSEC 13 4 600 20260402193947 20260303192842 53469 upenn.edu. BnnOy9PglqluLCq1fjErEmar6DW8aSgh3Os461/G42/3PP5+SCPkV7OXta5Re+Et6X9PZyUgmEqbEw2BC/PofQ==