gtklub.dk DNS records

🖥️ Nameservers2 records 295ms

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 256ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records2 records 258ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	gtklub-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::8 2a01:111:f403:ca04::a 2a01:111:f403:ca09::7 52.101.68.15 52.101.68.5 52.101.73.2 52.101.73.26	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as9pr05cu01302.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
10	600s	ms35616343.msv1.invalid	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 298ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 730ms

TXT Record
MS=ms35616343
ns01.one.com
ns4.one.com
v=spf1 a:mail.halbooking.dk include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.gtklub.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC489ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081801
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

295ms

A

256ms

MX

258ms

AAAA

261ms

TXT

730ms

CAA

271ms

HTTPS

253ms

TLSA

1081ms

SOA

0ms

MTA-STS

370ms

DNSSEC

489ms

SRV

298ms

Total

8243ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 11:49:32	8243ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-13 23:07:19	3342ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-11 21:53:12	3906ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-23 01:19:33	7164ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 22:05:09	750ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 10:39:56	863ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 10:39:34	2341ms	2 NS 1 A 2 MX	🔒 Secure	View