800 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
TXT record of _mta-sts.<domain>: looks up the _mta-sts host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like _mta-sts with...
TXT record of _smtp._tls.<domain>: looks up the _smtp._tls host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like _smtp._tl...
TXT record of _acme-challenge.<domain>: looks up the _acme-challenge host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like...
TXT record of _domainkey.<domain>: looks up the _domainkey host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like _domainke...
SIP service discovery (_sip._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's sip service lives without guessing hosts. $0.01 per lookup.
SIP service discovery (_sip._udp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's sip service lives without guessing hosts. $0.01 per lookup.
SIPFEDERATIONTLS service discovery (_sipfederationtls._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's sipfederationtls service lives without...
XMPP-CLIENT service discovery (_xmpp-client._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's xmpp-client service lives without guessing hosts...
XMPP-SERVER service discovery (_xmpp-server._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's xmpp-server service lives without guessing hosts...
JABBER service discovery (_jabber._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's jabber service lives without guessing hosts. $0.01 per loo...
LDAP service discovery (_ldap._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's ldap service lives without guessing hosts. $0.01 per lookup.
LDAPS service discovery (_ldaps._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's ldaps service lives without guessing hosts. $0.01 per lookup...
KERBEROS service discovery (_kerberos._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's kerberos service lives without guessing hosts. $0.01 p...
KERBEROS service discovery (_kerberos._udp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's kerberos service lives without guessing hosts. $0.01 p...
KPASSWD service discovery (_kpasswd._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's kpasswd service lives without guessing hosts. $0.01 per...
GC service discovery (_gc._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's gc service lives without guessing hosts. $0.01 per lookup.
CALDAV service discovery (_caldav._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's caldav service lives without guessing hosts. $0.01 per loo...
CALDAVS service discovery (_caldavs._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's caldavs service lives without guessing hosts. $0.01 per...
CARDDAV service discovery (_carddav._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's carddav service lives without guessing hosts. $0.01 per...
CARDDAVS service discovery (_carddavs._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's carddavs service lives without guessing hosts. $0.01 p...
IMAP service discovery (_imap._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's imap service lives without guessing hosts. $0.01 per lookup.
IMAPS service discovery (_imaps._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's imaps service lives without guessing hosts. $0.01 per lookup...
POP3 service discovery (_pop3._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's pop3 service lives without guessing hosts. $0.01 per lookup.
POP3S service discovery (_pop3s._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's pop3s service lives without guessing hosts. $0.01 per lookup...