guldbrandtgaard.dk

📜 Historical scan 2026-06-17 10:45:25 · ← 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 47ms

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 36ms

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

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	guldbrandtgaard-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 52.101.68.0 52.101.73.12 52.101.73.153 52.101.73.28	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00204.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

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:8c21	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:492d	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.45,172.67.140.33 ech=AEX+DQBB4AAgACDCYF+8kn+lkITHi/BN3p8uJF8P53PV1auDSJxA263SZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8c21,2606:4700:3032::6815:492d

📝 TXT Records#

2 records 386ms

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#

126ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2403882854
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 (313d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

36ms

39ms

AAAA

43ms

TXT

386ms

CAA

34ms

HTTPS

46ms

TLSA

673ms

SOA

31ms

MTA-STS

52ms

DNSSEC

126ms

SRV

0ms

Total

1909ms

🕐 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	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 shown	1909ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 10:39:05	1055ms	2 NS 2 A 1 MX	🔓 Insecure