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
105.246.156.146
Australia
123.100.147.201
India
172.232.76.111
Netherlands
185.140.209.224
Ukraine
193.238.152.32
Brazil
200.231.34.18
Canada
24.37.219.202
2606:4700:4700::1111
8.8.4.4
NextDNS
2a07:a8c1::53:54e9
A 13 4 86400 20260423142041 20260324132634 53469 upenn.edu. gBMklsDCjJ+VJEM2hyNGioAkybKfBHBOMDBrSq5XAQzaaKcOWkfodAHcVv7CSMkZ3XjRkilV4GO7+ANc7OWJOQ==
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
United States of America
162.243.12.37
94.140.14.14
A 13 4 86400 20260423142041 20260324132634 53469 upenn.edu. gBMklsDCjJ+VJEM2hyNGioAkybKfBHBOMDBrSq5XAQzaaKcOWkfodAHcVv7CSMkZ3XjRkilV4GO7+ANc7OWJOQ==
NSEC 13 4 600 20260404093344 20260305090253 53469 upenn.edu. 3A3bDi+aKgW4myhMx0i9Qyia9l0KFgo4p4VwxhHjVdzNHsvdHh8fmeP/NqhoGx2gOxuxJHJedM9k5AvQACwhlA==
AAAA 13 4 86400 20260404093344 20260305090253 53469 upenn.edu. TZZpHYmKqyAaw4FQkp0dz5dCxCobi+R7Li1v+FKHM5n5O278c1czMLrqjRZZsrU7B53Gl3CqxFVXYESHtqhYlQ==
No RRSIG records found