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
Australia
123.100.147.201
India
172.232.76.111
Ukraine
193.238.152.32
Brazil
200.231.34.18
Russia
79.120.33.106
94.140.15.15
2606:4700:4700::1111
8.8.4.4
NextDNS
45.90.28.66
A 13 4 86400 20260415110608 20260316104410 53469 upenn.edu. qO4chfjqcNX6WSR1PssdBqyaZmyT5iEKc+p++xMM7uIkNywppU5bCRaI4suf3DONhkDhe9JNpFO2ytx1TLrrqg==
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
Canada
64.187.180.82
149.112.112.112
A 13 4 86400 20260415110608 20260316104410 53469 upenn.edu. qO4chfjqcNX6WSR1PssdBqyaZmyT5iEKc+p++xMM7uIkNywppU5bCRaI4suf3DONhkDhe9JNpFO2ytx1TLrrqg==
NSEC 13 4 600 20260405073637 20260306072709 53469 upenn.edu. go92KkMvpyJ62NxGH06FaPUzq4LEdDWQD5WMctOM+fvgPNmTKhLoFB8GrYMXM6R3Y1J6iPXHpuA6410mxhP4LQ==
No RRSIG records found