So  DNS flag day 2019  is here. Use the following link to check your website’s DNS server/provider.

HOW to check?

Visit
https://dnsflagday.net

Submit your website name under “I’m a domain holder” heading form

If error appeares check the link provide after “technical report”

send the report to your web host for further investigation

A FAIL DNS SERVER report will look like this https://ednscomp.isc.org/ednscomp/599cc74c1d

and a PASS DNS SERVER report will be like https://ednscomp.isc.org/ednscomp/22d218d9a8

DNS status codes

https://kb.isc.org/docs/dns-flag-day-notes-for-authoritative-zones

DNS Flag day HELP VIDEO – Test – Help link in description