holthermansen.dk

📜 Historical scan 2026-10-01 00:56:36  ·  ← Latest scan
⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   28ms

🌍 A Records#

2 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   55ms

🔷 AAAA Records (IPv6)#

2 records   42ms

🔐 HTTPS Records#

1 records   38ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.94.73,172.67.220.144 ech=AEX+DQBBVwAgACCMfw4T3q1qqkYA+bhgMOEBh7kVJ/GYmCvejGjXbxDZFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:dc90,2606:4700:3037::6815:5e49

📝 TXT Records#

1 records   255ms
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#

latest probe, not this scan · checked 2026-10-25 07:41:07
www104.21.94.73 172.67.220.144 2606:4700:3033::ac43:dc90 2606:4700:3037::6815:5e49 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.holthermansen.dk 5v-sF-VGVeA43puFYxKWGOXpfFBkHSeeWNGtHksC_Pw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

93ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

36ms
FieldValue
Serial2416177132
Primary NS (MNAME)margo.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-25 07:59:20
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2007-01-30
Expires2027-08-31 (310d)

🔗 Same registrant#

5 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
detkanduglemme.dkPunktum dk A/S (direct)
groher.dkPunktum dk A/S (direct)
grovehermansen.dkPunktum dk A/S (direct)
groves.dkPunktum dk A/S (direct)
jonhermansen.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
28ms
A
46ms
MX
55ms
AAAA
42ms
TXT
255ms
CAA
41ms
HTTPS
38ms
TLSA
107ms
SOA
36ms
MTA-STS
76ms
DNSSEC
93ms
SRV
82ms
Total
1187ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-25 07:41:07 2628ms 2 NS 2 A 5 MX 🔒 Secure
2026-10-10 05:06:45 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 shown 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
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