PTR 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 uchicago.edu .
managed by the owner of uchicago.edu .
ucns1.uchicago.uiowa.edu
198.49.182.19
The official source of information for this domain,
managed by the owner of uchicago.edu .
managed by the owner of uchicago.edu .
ucns3.uchicago.edu
128.135.249.250
The official source of information for this domain,
managed by the owner of uchicago.edu .
managed by the owner of uchicago.edu .
ucns4.uchicago.edu
128.135.247.250
South Africa
105.246.188.188
Australia
123.100.147.201
Canada
144.217.13.157
United States of America
162.243.12.37
India
172.232.76.111
Brazil
200.231.34.18
Ukraine
5.188.6.45
Russia
90.156.226.142
Netherlands
95.85.32.8
94.140.15.15
185.228.168.168
2606:4700:4700::1111
8.8.8.8
NextDNS
45.90.28.66
9.9.9.9
CNAME
ARD02.uchicago.edu
OpenDns
208.67.222.222
CNAME
ard02.uchicago.edu