Public DNS

RR Type EDNS Client Subnet Disable DNSSEC validation Show DNSSEC detail

Result for _u.telefonica.com._spf.smart.ondmarc.com/TXT with DNSSEC validation and without DNSSEC detail:

You may also resolve directly at: https://dns.google/resolve?name=_u.telefonica.com._spf.smart.ondmarc.com&type=TXT