holmbergs.dk

📜 Historical scan 2026-08-31 02:15:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holmbergs.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 June 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.134.42 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a 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 86ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.134.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records#

1 records 117ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.251.127.26 142.251.127.27 2a00:1450:4001:c21::1a 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	46.30.215.104
🔶 Autoconfig	46.30.215.104

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 502ms

TXT Record
brevo-code:79b125d02191090459333211dbf8f20c
google-site-verification=6xiofoVHhQuJM2HP-eljbxnomOs6_0VITLVRgzZbr5k

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.holmbergs.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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 2026-10-21 23:45:49

www CNAME	holmbergs.dk (all on holmbergs.dk) → 162.159.134.42 (AS13335)
www vs bare domain	Same network holmbergs.dk: 162.159.134.42 (AS13335) www.holmbergs.dk: 162.159.134.42 (AS13335)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 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.

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.holmbergs.dk	holmbergs.dk.kinstavalidation.app

🔗 TLSA / DANE#

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

🔐 DNSSEC#

318ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026083003
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-12 12:57:26

Field	Value
Registrar	ONE.COM A/S
Registered	2024-06-11
Expires	2027-06-10 (231d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
arkdanielnielsen.dk	Punktum dk A/S (direct)
arkitekttegnetsommerhus.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

86ms

60ms

117ms

AAAA

69ms

TXT

502ms

CAA

70ms

HTTPS

103ms

TLSA

151ms

SOA

0ms

MTA-STS

197ms

DNSSEC

318ms

SRV

244ms

Total

1282ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 23:45:49	1479ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-20 13:41:15	1177ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-19 12:42:30	754ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-18 11:03:26	520ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-17 10:56:04	1510ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 09:27:57	857ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 01:16:42	1318ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 00:26:53	465ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 12:36:44	584ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 11:30:34	697ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 09:40:51	540ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 07:14:30	727ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 07:11:48	489ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 03:42:10	1373ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 03:24:27	1904ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 01:12:03	746ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 01:11:19	732ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 01:09:23	1119ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 01:08:55	1008ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 01:07:55	1684ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 00:50:12	1994ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 00:39:04	609ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 06:27:18	800ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 06:06:43	792ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 05:40:26	844ms	2 NS 1 A 1 MX	🔒 Secure