guldfisk.dk DNS records

🖥️ Nameservers2 records 143ms

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 111ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.255.97.46	3600s	—	AS3308	Norlys Telco A/S	194.255.0.0/16	🇩🇰 Denmark	Hjortshøj

📧 MX Records1 records 151ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	guldfisk-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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 → 40.104.116.56
🔶 Autoconfig	home.guldfisk.dk → 77.68.148.39

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 374ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (guldfisk.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.guldfisk.dk	home.guldfisk.dk

🔗 TLSA / DANE

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

🔐 DNSSEC331ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082401
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

143ms

A

111ms

MX

151ms

AAAA

95ms

TXT

374ms

CAA

121ms

HTTPS

120ms

TLSA

310ms

SOA

0ms

MTA-STS

181ms

DNSSEC

331ms

SRV

186ms

Total

9998ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 06:19:59	9998ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 09:52:37	3480ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 10:42:04	1065ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 08:05:26	1047ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 18:55:40	1184ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 08:22:26	1056ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:36:05	993ms	2 NS 1 A 1 MX	🔒 Secure	View