ext-ns1.columbia.edu DNS propagation

Map showing DNS propagation for ext-ns1.columbia.edu

AAAA records not consistent

Authoritative servers are returning different records.
  • This is normal for AAAA records — they can be geo- or round-robin load-balanced.
  • If this is not intentional, check your DNS server configuration.
DNS server
Records returned by these servers
auth1.dns.cogentco.com
66.28.0.14
auth2.dns.cogentco.com
66.28.0.30
ns1.lse.ac.uk
158.143.96.8
Australia
118.209.209.191
United States of America
129.153.22.43
Ukraine
31.129.166.118
South Africa
41.23.190.166
Canada
51.79.40.76
Netherlands
91.201.165.34
2a10:50c0::ad1:ff
185.228.168.168
2001:4860:4860::8844
NextDNS
2a07:a8c0::53:54e9
OpenDns
208.67.220.220
149.112.112.112
ext-ns1.columbia.edu
128.59.1.1
India
14.96.90.34
Russia
178.253.45.86
Brazil
200.219.202.217
No AAAA records found