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
105.243.205.42
Ukraine
178.158.198.120
Brazil
200.231.34.18
Australia
45.77.236.33
Netherlands
46.30.43.62
2a10:50c0::ad2:ff
2606:4700:4700::1001
8.8.8.8
NextDNS
2a07:a8c1::53:54e9
NSEC 13 4 600 20260414034933 20260315031857 53469 upenn.edu. gz0T1B5piDxPWF5H0TkZ1e6WviivsS02kKpKg7/YgxWVcLFwsrVlCLpIIE9/ZESHKpNzBPLE+yPuXlP7bAmHhA==
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
173.238.91.39
NSEC 13 4 600 20260414034933 20260315031857 53469 upenn.edu. gz0T1B5piDxPWF5H0TkZ1e6WviivsS02kKpKg7/YgxWVcLFwsrVlCLpIIE9/ZESHKpNzBPLE+yPuXlP7bAmHhA==
AAAA 13 4 86400 20260414034933 20260315031857 53469 upenn.edu. Qy7FMU8MitujaVqi0CNYQnuKjfzbyUCTmBUscWZklTCsKVv0VKlR0m8wbz2LxnjMSj6rkexAuuSqcljuhM/0VQ==
A 13 4 86400 20260423184526 20260324181053 53469 upenn.edu. IBVL5gDEsZPU0smRU6MjUDpfqxT9m4+BYcMk87RafVCDa4OBo5HUHFx/lwB0JfYWE3ix4yzKWW+FK+n3+l281A==
No RRSIG records found
United States of America
162.243.12.37
India
172.232.76.111
A 13 4 86400 20260423184526 20260324181053 53469 upenn.edu. IBVL5gDEsZPU0smRU6MjUDpfqxT9m4+BYcMk87RafVCDa4OBo5HUHFx/lwB0JfYWE3ix4yzKWW+FK+n3+l281A==