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
105.246.161.188
Brazil
200.231.34.18
Ukraine
45.140.123.250
Netherlands
91.216.71.30
94.140.15.15
1.1.1.1
2001:4860:4860::8844
NSEC 13 3 600 20260403215756 20260304213434 53469 upenn.edu. 4JUZsWYvRne9fgfx+7/mHqBMMZybDfWi0ACZkqlTD0UPTXXRAXlVI8afYpHCOzqSFCcbimCSXR9Nn8sa5cX7ig==
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
NextDNS
45.90.30.66
A 13 3 86400 20260403234543 20260304232247 53469 upenn.edu. 7dSFZmTAYVOpQJ+TKpq9nkhvoeBk54Lp3QaoOWvOqRjgJFmDI1FnFpeeUi915ENLoyhTobaCnCNeGOALC0GrNg==
NSEC 13 3 600 20260403215756 20260304213434 53469 upenn.edu. 4JUZsWYvRne9fgfx+7/mHqBMMZybDfWi0ACZkqlTD0UPTXXRAXlVI8afYpHCOzqSFCcbimCSXR9Nn8sa5cX7ig==
TXT 13 3 300 20260411145425 20260312144603 53469 upenn.edu. /9YNCwCZtAjOgKSBNoQiKHBKMgbOfRgzI9R8tgWKVfCD6p79bQfSaSSNyMEPjVxRRSzPrpe+2ubJro0ITIF4JQ==
MX 13 3 60 20260403231206 20260304222108 53469 upenn.edu. Bb8zJsw7XWljGgEM037YzR0D1c5XqVBQem7SDWIb1Qw3NBU2ohvTxeDIc3e+DLpQlMHqHndczHoiDpgycsNppQ==
Russia
185.246.88.234
Australia
203.22.103.4
2a0d:2a00:1::
OpenDns
2620:119:53::53
9.9.9.9
No RRSIG records found
United States of America
162.243.12.37
India
172.232.76.111
Canada
69.70.117.166
A 13 3 86400 20260403234543 20260304232247 53469 upenn.edu. 7dSFZmTAYVOpQJ+TKpq9nkhvoeBk54Lp3QaoOWvOqRjgJFmDI1FnFpeeUi915ENLoyhTobaCnCNeGOALC0GrNg==