guldborgsundlinjen.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
adi.ns.cloudflare.com	108.162.192.56 172.64.32.56 173.245.58.56 2606:4700:50::adf5:3a38 2803:f800:50::6ca2:c038 2a06:98c1:50::ac40:2038	adi.ns.cloudflare.com adi.ns.cloudflare.com adi.ns.cloudflare.com adi.ns.cloudflare.com adi.ns.cloudflare.com adi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.197.250.177	300s	lb1.corp.cabana.dk	AS48854	team.blue Denmark A/S	91.197.248.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	guldborgsund-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::c 2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 52.101.209.153 52.101.68.29 52.101.68.32 52.101.73.26	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db3pr0202cu00200.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	guldborgsund.dk → 91.197.250.177
🔶 Autoconfig	guldborgsund.dk → 91.197.250.177

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 184ms

TXT Record
CywcDKmAPfr8XvidAwDAa9HH40lFJRt3OMdTxu6JX45+BXggJngA1IsW8g6YBz2r0l4R2AjqcBuXm85j+hX4xQ==
v=spf1 include:uxmail.io include:spf.mailjet.com include:o._spf.bellcom.dk include:spf.protection.outlook.com include:spf.topdesk.net include:speedadmin.dk ip4:195.215.234.1 ip4:195.215.235.28 ip4:185.158.61.193 -all

✉️ SPF

Policy	Record (guldborgsundlinjen.dk)
-all (hard fail)	v=spf1 include:uxmail.io include:spf.mailjet.com include:o._spf.bellcom.dk include:spf.protection.outlook.com include:spf.topdesk.net include:speedadmin.dk ip4:195.215.234.1 ip4:195.215.235.28 ip4:185.158.61.193 -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
TXT	_acme-challenge.guldborgsundlinjen.dk	7JelPJ3IuEWcpscfWOm5I4s2FwhLuSj9nfIi56NKIZg
TXT	_acme-challenge.guldborgsundlinjen.dk	ULWcYOLGWEr9cumd69hfsJLPIlQf-3xY06PpRav_toc

🔗 TLSA / DANE

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

🔐 DNSSEC91ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413341999
Primary NS (MNAME)	adi.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

40ms

MX

55ms

AAAA

35ms

TXT

184ms

CAA

44ms

HTTPS

34ms

TLSA

663ms

SOA

0ms

MTA-STS

69ms

DNSSEC

91ms

SRV

64ms

Total

1935ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 08:38:29	1935ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 21:32:39	1379ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 15:30:58	2580ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 02:12:42	4200ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 01:17:24	2759ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-09 00:39:37	1561ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 03:21:53	868ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 23:40:57	1183ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 22:50:30	12927ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 17:25:40	807ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 10:14:46	2642ms	2 NS 1 A 1 MX	🔓 Insecure	View