dbt.dk DNS records

🖥️ Nameservers2 records 48ms

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 Records

🌍

No A records found

📧 MX Records5 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	209.85.233.27 2a00:1450:4010:c0b::1b 2a00:1450:4010:c0b::1b	lr-in-f27.1e100.net lo-in-x1b.1e100.net lo-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::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.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::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	alt4.aspmx.l.google.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	www.crusade.dk → 62.243.72.6
🔶 Autoconfig	www.crusade.dk → 62.243.72.6

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 199ms

TXT Record
google-site-verification=2qMDbo9WyGNOaAsWoJyMrlQRDWcBXqDfW7iR6LkHtPk
v=spf1 include:_spf.google.com include:_custspf.one.com a ~all

✉️ SPF

Policy	Record (dbt.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:_custspf.one.com a ~all

📨 DMARC

Policy	Record (_dmarc.dbt.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@n4uecdqr.uriports.com; pct=100; adkim=s; aspf=r

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.dbt.dk	www.crusade.dk

🔗 TLSA / DANE

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

🔐 DNSSEC80ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026082801
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

48ms

A

54ms

MX

64ms

AAAA

43ms

TXT

199ms

CAA

62ms

HTTPS

42ms

TLSA

155ms

SOA

0ms

MTA-STS

85ms

DNSSEC

80ms

SRV

106ms

Total

1033ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 12:48:12	1033ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-28 23:49:40	2736ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-03 07:55:29	1334ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-01 11:19:39	1297ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-24 20:02:56	1923ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-21 11:26:37	976ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-19 14:39:51	895ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-17 01:15:14	655ms	2 NS 0 A 5 MX	🔒 Secure	View