guldbrandtgaard.dk

📜 Historical scan 2026-07-22 15:22:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

guldbrandtgaard.dk is a .dk domain served by 2 nameservers (kinsley.ns.cloudflare.com, nash.ns.cloudflare.com). It was registered on 30 August 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.45 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by guldbrandtgaard-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
kinsley.ns.cloudflare.com	108.162.194.75 162.159.38.75 172.64.34.75 2606:4700:50::a29f:264b 2803:f800:50::6ca2:c24b 2a06:98c1:50::ac40:224b	kinsley.ns.cloudflare.com kinsley.ns.cloudflare.com kinsley.ns.cloudflare.com kinsley.ns.cloudflare.com kinsley.ns.cloudflare.com kinsley.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nash.ns.cloudflare.com	108.162.193.209 172.64.33.209 173.245.59.209 2606:4700:58::adf5:3bd1 2803:f800:50::6ca2:c1d1 2a06:98c1:50::ac40:21d1	nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.73.45	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.140.33	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	guldbrandtgaard-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca09:: 2a01:111:f403:ca09::7 52.101.68.10 52.101.68.36 52.101.73.2 52.101.73.24	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as8pr05cu00300.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	104.21.73.45

🔷 AAAA Records (IPv6)#

2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:8c21	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:492d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.45,172.67.140.33 ech=AEX+DQBBkQAgACB9L9/ZN+NcrDGfAnNBPboiB0VmVWYpr24H5uYmI14VIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8c21,2606:4700:3036::6815:492d

📝 TXT Records#

2 records 186ms

TXT Record
MS=ms74720395
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (guldbrandtgaard.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 08:06:32

www	104.21.73.45 172.67.140.33 2606:4700:3031::ac43:8c21 2606:4700:3036::6815:492d (AS13335) (address records, no CNAME)
www vs bare domain	Same network guldbrandtgaard.dk: 104.21.73.45 172.67.140.33 2606:4700:3031::ac43:8c21 2606:4700:3036::6815:492d (AS13335) www.guldbrandtgaard.dk: 104.21.73.45 172.67.140.33 2606:4700:3031::ac43:8c21 2606:4700:3036::6815:492d (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-guldbrandtgaard-dk._domainkey.smiszekdk.d-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms

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	2410122882
Primary NS (MNAME)	kinsley.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 21:47:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-08-30
Expires	2027-08-29 (314d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

32ms

37ms

AAAA

48ms

TXT

186ms

CAA

31ms

HTTPS

39ms

TLSA

389ms

SOA

0ms

MTA-STS

50ms

DNSSEC

59ms

SRV

47ms

Total

1634ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 03:07:23	1293ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 02:16:11	1210ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-22 14:20:01	1978ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 13:27:56	1099ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 07:28:09	1513ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 12:13:46	926ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 15:22:14 shown	1634ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-30 12:03:04	1957ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 17:20:06	1530ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 10:45:25	1909ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 10:39:05	1055ms	2 NS 2 A 1 MX	🔓 Insecure