SOA records not consistent
Authoritative servers agree, but not all other servers have updated yet.
- Recently moved this domain to another DNS server? Check the NS records .
- Some servers may have cached older records - wait for their TTLs to expire.
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 purdue.edu .
managed by the owner of purdue.edu .
ns3.purdue.edu
128.210.224.226
The official source of information for this domain,
managed by the owner of purdue.edu .
managed by the owner of purdue.edu .
ns4.purdue.edu
128.210.224.234
The official source of information for this domain,
managed by the owner of purdue.edu .
managed by the owner of purdue.edu .
ns5.purdue.edu
20.241.160.48
South Africa
105.255.121.228
Canada
143.198.46.84
Brazil
144.22.131.193
United States of America
150.136.61.69
Australia
170.64.132.24
Netherlands
185.140.209.224
Ukraine
185.212.251.250
India
49.143.252.50
Russia
5.35.89.94
94.140.15.15
185.228.168.168
1.1.1.1
8.8.8.8
NextDNS
45.90.30.66
OpenDns
2620:119:35::35
pendragon.cs.purdue.edu. postmaster.cs.purdue.edu. 2026060916 10800 3600 604800 10800
2620:fe::fe
pendragon.cs.purdue.edu. postmaster.cs.purdue.edu. 2026060518 10800 3600 604800 10800