holthermansen.dk

Records from scan: 2026-10-10 05:06:45 · 1407ms total · last checked 2026-10-18 13:53 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holthermansen.dk is a .dk domain served by 2 nameservers (margo.ns.cloudflare.com, robin.ns.cloudflare.com). It was registered on 30 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.94.73 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
margo.ns.cloudflare.com	108.162.195.144 162.159.44.144 172.64.35.144 2606:4700:58::a29f:2c90 2803:f800:50::6ca2:c390 2a06:98c1:50::ac40:2390	margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
robin.ns.cloudflare.com	108.162.192.218 172.64.32.218 173.245.58.218 2606:4700:50::adf5:3ada 2803:f800:50::6ca2:c0da 2a06:98c1:50::ac40:20da	robin.ns.cloudflare.com robin.ns.cloudflare.com robin.ns.cloudflare.com robin.ns.cloudflare.com robin.ns.cloudflare.com robin.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 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.94.73	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.220.144	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	ASPMX.L.GOOGLE.COM	172.253.152.26 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b	yulpptr-in-f26.1e100.net lu-in-f27.1e100.net lu-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	ALT1.ASPMX.L.GOOGLE.COM	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	ALT2.ASPMX.L.GOOGLE.COM	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	ALT3.ASPMX.L.GOOGLE.COM	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	ALT4.ASPMX.L.GOOGLE.COM	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:dc90	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:5e49	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.94.73,172.67.220.144 ech=AEX+DQBB3wAgACCIzNXf4aptsZb4sN4SVXkgevLj0MT4fbmal42RmBRBagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:dc90,2606:4700:3037::6815:5e49

📝 TXT Records#

1 records 163ms

TXT Record
google-site-verification=lKboM_Y2Q-gSEnFyprcQqJXumwvOYQLTkMCO9TjXHbs

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

checked 2026-10-10 05:06:45

www	104.21.94.73 172.67.220.144 2606:4700:3033::ac43:dc90 2606:4700:3037::6815:5e49 (AS13335) (address records, no CNAME)
www vs bare domain	Same network holthermansen.dk: 104.21.94.73 172.67.220.144 2606:4700:3033::ac43:dc90 2606:4700:3037::6815:5e49 (AS13335) www.holthermansen.dk: 104.21.94.73 172.67.220.144 2606:4700:3033::ac43:dc90 2606:4700:3037::6815:5e49 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.holthermansen.dk	5v-sF-VGVeA43puFYxKWGOXpfFBkHSeeWNGtHksC_Pw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

98ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2417059601
Primary NS (MNAME)	margo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 16:58:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-01-30
Expires	2027-08-31 (316d)

🔗 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
groher.dk	Punktum dk A/S (direct)
jonhermansen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

28ms

32ms

AAAA

31ms

TXT

163ms

CAA

32ms

HTTPS

43ms

TLSA

132ms

SOA

46ms

MTA-STS

54ms

DNSSEC

98ms

SRV

58ms

Total

1407ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 05:06:45 shown	1407ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-06 01:25:58	3100ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-05 01:23:27	4064ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-01 00:56:36	1187ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-29 20:20:20	1552ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-12 04:16:34	888ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-06 18:10:39	2128ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-24 22:30:54	3128ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-18 16:50:30	4277ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-12 19:19:52	17828ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-11 15:38:57	4448ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-06 10:33:58	17659ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-27 15:10:10	10968ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-20 20:46:16	9328ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-27 15:20:37	1257ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-26 12:48:49	2099ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-23 19:40:51	1177ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 14:56:35	2223ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-17 14:23:17	284ms	0 NS 0 A 0 MX	❓ Unknown