OPT records have propagated
All servers we queried returned the same DNS records.
Not the record you expected?
- Recently moved this domain to another DNS server? Check the NS records .
- Check for typos and misconfigurations.
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 gcb.su .
managed by the owner of gcb.su .
ns-mail01.getcourse.ru
46.148.238.197
The official source of information for this domain,
managed by the owner of gcb.su .
managed by the owner of gcb.su .
ns-mail02.getcourse.ru
46.148.238.142
The official source of information for this domain,
managed by the owner of gcb.su .
managed by the owner of gcb.su .
ns-mail03.getcourse.ru
46.148.238.227
India
106.201.235.210
Brazil
144.22.131.193
Russia
146.185.211.96
United States of America
150.136.61.69
South Africa
152.110.137.84
Australia
170.64.132.24
Netherlands
185.140.209.224
Ukraine
37.53.70.212
Canada
51.222.159.6
94.140.15.15
185.228.168.168
1.1.1.1
2001:4860:4860::8844
NextDNS
2a07:a8c0::53:54e9
OpenDns
208.67.222.222
9.9.9.9
No OPT records found