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
South Africa
139.84.238.136
United States of America
162.243.12.37
India
172.232.76.111
Brazil
200.231.34.18
Ukraine
45.140.123.250
1.1.1.1
8.8.8.8
149.112.112.112
A 13 4 86400 20260413104142 20260314100931 53469 upenn.edu. xuof1vK+lmfFwrPdK4rPW1+LJVoVcxqUhgHhUiGx6ZTg1UtjzUcA6dzpzE8mT87siABKV1GtGQfLwOexf9756A==
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
Canada
24.157.126.32
2a10:50c0::ad1:ff
NextDNS
2a07:a8c1::53:54e9
NSEC 13 4 600 20260410124456 20260311114532 53469 upenn.edu. PVVk7YTXOO/3pwKUcARdO+hgzmvez7Ogj7hOqSi5fgYjYg6TH1m6WFSGl3Cx09KGw3P28h8OgI2PKqD80ENhag==
AAAA 13 4 86400 20260410124456 20260311114532 53469 upenn.edu. viELZQtcqF+qsOcmtH9FlkijJ212/xfGDwAI/NbVMigPnQ8RzsYeTJdj37HuRKQncKRvYlqK/Amj3FvM6sMu1w==
A 13 4 86400 20260413104142 20260314100931 53469 upenn.edu. xuof1vK+lmfFwrPdK4rPW1+LJVoVcxqUhgHhUiGx6ZTg1UtjzUcA6dzpzE8mT87siABKV1GtGQfLwOexf9756A==
No RRSIG records found