NSEC records not consistent
Authoritative servers agree, but not all other servers have updated yet.
- Recently moved this domain to another DNS server? Check the NS records .
- Some servers may have cached older records - wait for their TTLs to expire.
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 .
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 .
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
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
South Africa
129.151.163.226
Brazil
144.22.131.193
Russia
146.185.243.131
United States of America
150.136.61.69
Australia
170.64.132.168
India
49.143.252.50
Ukraine
5.34.183.219
Netherlands
82.97.246.78
2a10:50c0::ad1:ff
185.228.169.168
2606:4700:4700::1111
2001:4860:4860::8888
NextDNS
2a07:a8c0::53:54e9
OpenDns
208.67.222.222
2620:fe::fe
iscntapnfs-lev.isc.upenn.edu. A AAAA RRSIG NSEC
Canada
158.69.36.244
No NSEC records found