tc.dk DNS records

🖥️ Nameservers2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	50000s	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records7 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b 64.233.163.27	lt-in-x1b.1e100.net lt-in-f27.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records3 records 71ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk
_xmpp-server._tcp	0	0	5269	xmpp-server1.l.google.com
_xmpp-server._tcp	0	0	5269	xmpp-server.l.google.com

📝 TXT Records3 records 140ms

TXT Record
abuse: abuse@tc.dk
google-site-verification=SRfOzL8U33L8nGO3_xhLXrgTd3ZF57ZxxSaTArlhDCw
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (tc.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC99ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026082101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

44ms

A

54ms

MX

46ms

AAAA

42ms

TXT

140ms

CAA

37ms

HTTPS

38ms

TLSA

131ms

SOA

0ms

MTA-STS

49ms

DNSSEC

99ms

SRV

71ms

Total

834ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 23:36:50	834ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-22 05:35:04	11820ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-09 23:31:57	5319ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-23 15:37:29	903ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-17 13:18:12	866ms	2 NS 1 A 7 MX	🔒 Secure	View