holgarsson.dk

📜 Historical scan 2026-06-27 00:19:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holgarsson.dk is a .dk domain served by 2 nameservers (samara.ns.cloudflare.com, uriah.ns.cloudflare.com). It was registered on 29 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.99 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.improvmx.com, mx2.improvmx.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 242ms

Nameserver	IP addresses	PTR	ASN / ISP
samara.ns.cloudflare.com	108.162.194.160 162.159.38.160 172.64.34.160 2606:4700:50::a29f:26a0 2803:f800:50::6ca2:c2a0 2a06:98c1:50::ac40:22a0	samara.ns.cloudflare.com samara.ns.cloudflare.com samara.ns.cloudflare.com samara.ns.cloudflare.com samara.ns.cloudflare.com samara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uriah.ns.cloudflare.com	108.162.195.194 162.159.44.194 172.64.35.194 2606:4700:58::a29f:2cc2 2803:f800:50::6ca2:c3c2 2a06:98c1:50::ac40:23c2	uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.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 191ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.73.99	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.160.234	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 238ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	300s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

2 records 234ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:a0ea	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:4963	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 247ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.99,172.67.160.234 ech=AEX+DQBBmgAgACCqboMHCILz8lT61n8+ZRMrw0bEopM1UtojJSpzNByoagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a0ea,2606:4700:3036::6815:4963

📝 TXT Records#

4 records 482ms

TXT Record
_748nfhjluhbpr8ke070ecmproxe02wb
google-site-verification=jH0oHWoe1EO6ydwL2VEPBsOdI-I894uKtIxCvUHemzI
openai-domain-verification=dv-yEOL6peKgpp1HWBVzxQvIKq0
v=spf1 include:spf.improvmx.com ~all

✉️ SPF#

Policy	Record (holgarsson.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.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 2026-10-07 22:46:42

www	104.21.73.99 172.67.160.234 2606:4700:3033::ac43:a0ea 2606:4700:3035::6815:4963 (AS13335) (address records, no CNAME)
www vs bare domain	Same network holgarsson.dk: 104.21.73.99 172.67.160.234 2606:4700:3033::ac43:a0ea 2606:4700:3035::6815:4963 (AS13335) www.holgarsson.dk: 104.21.73.99 172.67.160.234 2606:4700:3033::ac43:a0ea 2606:4700:3035::6815:4963 (AS13335)
Wildcard	No

🔎 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#

300ms

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

🏷️ SOA#

244ms

Field	Value
Serial	2407703185
Primary NS (MNAME)	samara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 22:54:02

Field	Value
Registrar	FIONIA IT ApS
Registered	2024-10-29
Expires	2026-10-28 (4d)

📋 WHOIS#

⏱️ Lookup Timing#

242ms

191ms

238ms

AAAA

234ms

TXT

482ms

CAA

425ms

HTTPS

247ms

TLSA

207ms

SOA

244ms

MTA-STS

256ms

DNSSEC

300ms

SRV

245ms

Total

3221ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 22:46:42	1072ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-29 17:56:44	755ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-26 07:17:58	939ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-24 18:51:27	1585ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-16 08:39:30	2030ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-10 14:30:15	2293ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-27 11:57:39	1680ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-17 07:31:43	2242ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-27 00:19:42 shown	3221ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-23 06:55:37	1162ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:16:44	3982ms	2 NS 2 A 2 MX	🔓 Insecure