gbst.dk DNS records

🖥️ Nameservers2 records 37ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.20	3600s	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	gbst-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::26 2a01:111:f403:ca09::3 2a01:111:f403:ca48::8 52.101.68.0 52.101.68.15 52.101.68.25 52.101.73.2	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)1 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:a3:6e88:4fa9:58b9	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 193ms

TXT Record
MS=ms78325144
v=spf1 include:_custspf.one.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (gbst.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.gbst.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@gbst.dk

📬 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)

🔐 DNSSEC107ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081805
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

37ms

A

34ms

MX

33ms

AAAA

33ms

TXT

193ms

CAA

39ms

HTTPS

64ms

TLSA

1443ms

SOA

0ms

MTA-STS

91ms

DNSSEC

107ms

SRV

76ms

Total

2351ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 09:07:41	2351ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 03:40:17	7212ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 17:15:33	2056ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 01:23:09	2505ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 10:55:00	1168ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:31:06	922ms	2 NS 1 A 1 MX	🔒 Secure	View