holmbergs.dk

📜 Historical scan 2026-08-24 15:18:10  ·  ← 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   97ms
NameserverIP addressesPTRASN / 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   105ms
IPTTLPTRASNISP / OrgCIDRCountryCity
162.159.134.42 3600s — AS13335 Cloudflare, Inc. 162.159.128.0/19 🇺🇸 United States —

📧 MX Records#

1 records   111ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s smtp.google.com 142.250.147.26
142.250.147.27
142.251.9.26
142.251.9.27
2a00:1450:4025:c01::1a
2a00:1450:4025:c01::1b
2a00:1450:4025:c03::1a
2a00:1450:4025:c03::1b		 rd-in-f26.1e100.net
rd-in-f27.1e100.net
rc-in-f26.1e100.net
rc-in-f27.1e100.net
rd-in-f26.1e100.net
rd-in-f27.1e100.net
rc-in-f26.1e100.net
rc-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover46.30.215.104
🔶 Autoconfig46.30.215.104

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   623ms
TXT Record
brevo-code:79b125d02191090459333211dbf8f20c
google-site-verification=6xiofoVHhQuJM2HP-eljbxnomOs6_0VITLVRgzZbr5k

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

PolicyRecord (_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 CNAMEholmbergs.dk (all on holmbergs.dk)
www vs bare domainSame network
holmbergs.dk: 162.159.134.42 (AS13335)
www.holmbergs.dk: 162.159.134.42 (AS13335)
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

TypeNameValue
CNAME _acme-challenge.holmbergs.dk holmbergs.dk.kinstavalidation.app

🔗 TLSA / DANE#

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

🔐 DNSSEC#

619ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026082304
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-12 12:57:26
FieldValue
RegistrarONE.COM A/S
Registered2024-06-11
Expires2027-06-10 (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).

DomainRegistrar
arkdanielnielsen.dkPunktum dk A/S (direct)
arkitekttegnetsommerhus.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
97ms
A
105ms
MX
111ms
AAAA
100ms
TXT
623ms
CAA
89ms
HTTPS
95ms
TLSA
293ms
SOA
0ms
MTA-STS
150ms
DNSSEC
619ms
SRV
312ms
Total
5049ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone