A records not consistent
Authoritative servers agree, but not all other servers do.
- This is normal for A records. They can be geo- or round-robin load-balanced.
- 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 caltech.edu .
managed by the owner of caltech.edu .
ns0090.secondary.cloudflare.com
162.159.32.91
The official source of information for this domain,
managed by the owner of caltech.edu .
managed by the owner of caltech.edu .
ns0239.secondary.cloudflare.com
162.159.33.114
South Africa
105.243.206.201
United States of America
135.148.149.226
Australia
139.180.163.112
India
172.232.76.111
Russia
185.246.88.234
Netherlands
185.248.170.24
Brazil
200.231.34.18
Ukraine
91.199.93.61
94.140.14.14
2a0d:2a00:2::
1.0.0.1
8.8.4.4
NextDNS
45.90.30.66
OpenDns
2620:119:35::35
9.9.9.9
Canada
38.61.51.121
No A records found