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
122.199.63.64
Ukraine
193.238.152.32
Brazil
200.231.34.18
South Africa
41.23.240.12
Netherlands
82.196.14.4
2a10:50c0::ad2:ff
2606:4700:4700::1001
8.8.8.8
NSEC 13 4 600 20260425041536 20260326040236 53469 upenn.edu. 8vEpz8+cGiH7Vq/V1KSJuYFGLxiQONSG8CcXIPFzZ6zNv9ZFg+CuDFifzysYSgUsJBvF2GFfC+t37i7wSsSUXQ==
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 4 86400 20260406091935 20260307084555 53469 upenn.edu. P1B+lLsCkS6Fzx//DFIdZ1JIPVHjw/1YFrQSFqo7vcfgXW6Lrs32QN3XygtIBeePEdZjEX9Ho5VC/rydc8QSIw==
NSEC 13 4 600 20260425041536 20260326040236 53469 upenn.edu. 8vEpz8+cGiH7Vq/V1KSJuYFGLxiQONSG8CcXIPFzZ6zNv9ZFg+CuDFifzysYSgUsJBvF2GFfC+t37i7wSsSUXQ==
AAAA 13 4 86400 20260425041536 20260326040236 53469 upenn.edu. vz1DOvvzihtZRh95m3Dl1xfohKb+4O+AQT01rYG0d3Et8QudBN6W01cZ7j0xQ8cNy5errdZju3Bxh+yZpcF6CA==
No RRSIG records found
Canada
159.89.119.187
United States of America
162.243.12.37
India
172.232.76.111
A 13 4 86400 20260406091935 20260307084555 53469 upenn.edu. P1B+lLsCkS6Fzx//DFIdZ1JIPVHjw/1YFrQSFqo7vcfgXW6Lrs32QN3XygtIBeePEdZjEX9Ho5VC/rydc8QSIw==