gbt.dk DNS records

🖥️ Nameservers2 records 63ms

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 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.63.97.248	43200s	static.248.97.63.178.clients.your-server.de	AS24940	Hetzner Online GmbH	178.63.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records5 records 78ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1b	lcfrai-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.213.27 2a00:1450:4010:c22::1b	yugrqzs-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	192.178.211.27 2a00:1450:4001:c21::1a	lcbomp-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.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
10	3600s	alt4.aspmx.l.google.com	173.194.41.26 173.194.41.26 2a00:1450:4010:c22::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	gbt.dk → 178.63.97.248
🔶 Autoconfig	gbt.dk → 178.63.97.248

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 291ms

TXT Record
google-site-verification=1mGEuKXgcnOqNrM4MPU19piyLC9P3gj6K_xDGXKjMa4
google-site-verification=UYXRJkn3S-aHI_PahCI9kt98S2PEhfXdBqNu4fsupws
v=spf1 include:_spf.google.com include:spf.mtasv.net ~all

✉️ SPF

Policy	Record (gbt.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.mtasv.net ~all

📨 DMARC

Policy	Record (_dmarc.gbt.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100

📬 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.gbt.dk	gbt.dk

🔗 TLSA / DANE

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

🔐 DNSSEC182ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082501
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

63ms

A

81ms

MX

78ms

AAAA

91ms

TXT

291ms

CAA

102ms

HTTPS

87ms

TLSA

195ms

SOA

0ms

MTA-STS

106ms

DNSSEC

182ms

SRV

104ms

Total

1487ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:13:39	1487ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-17 03:24:42	3694ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-26 01:17:58	1391ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-25 04:29:41	760ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-22 22:32:41	770ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 10:37:42	1495ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 10:27:25	874ms	2 NS 1 A 5 MX	🔒 Secure	View