guldborgsundlinjen.dk

📜 Historical scan 2026-08-20 01:17:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

guldborgsundlinjen.dk is a .dk domain served by 2 nameservers (adi.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 24 January 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.197.250.177 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by guldborgsund-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 45ms

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 Records#

1 records 49ms

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 Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	guldborgsund-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::9 2a01:111:f403:ca04::e 2a01:111:f403:ca09::3 52.101.68.21 52.101.73.153 52.101.73.16 52.101.73.22	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.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 Records#

2 records 203ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 19:27:42

www CNAME	guldborgsund.dk (all on guldborgsund.dk) → 91.197.250.177 (AS48854)
www vs bare domain	Same network guldborgsundlinjen.dk: 91.197.250.177 (AS48854) www.guldborgsundlinjen.dk: 91.197.250.177 (AS48854)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.guldborgsundlinjen.dk	bbwNeZaXx5gTshr5czN_4Ej5OXpUxfcjpAIniqLzNCM
TXT	_acme-challenge.guldborgsundlinjen.dk	mpNR0PEp5HorCCTm-v5UFGRQOvf8wnvjXfUXg9dDmA4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412620387
Primary NS (MNAME)	adi.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 16:45:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-01-24
Expires	2027-01-23 (89d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

49ms

50ms

AAAA

63ms

TXT

203ms

CAA

47ms

HTTPS

47ms

TLSA

284ms

SOA

0ms

MTA-STS

1208ms

DNSSEC

100ms

SRV

1202ms

Total

2759ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 18:00:25	1310ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-27 12:19:16	1195ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-25 02:41:29	1019ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-22 21:34:54	1452ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-15 20:25:07	4249ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-05 03:15:47	1296ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-01 08:38:29	1935ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 21:32:39	1379ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 15:30:58	2580ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-23 02:12:42	4200ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-20 01:17:24 shown	2759ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-09 00:39:37	1561ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 03:21:53	868ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 23:40:57	1183ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 22:50:30	12927ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-19 17:25:40	807ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:14:46	2642ms	2 NS 1 A 1 MX	🔓 Insecure