d4.dk

📜 Historical scan 2026-09-16 16:25:21  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

d4.dk is a .dk domain served by 3 nameservers (ns.d4es.dk, ns01.one.com, ns02.one.com). It was registered on 15 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.138.54 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.d4.dk. 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#

3 records   32ms
NameserverIP addressesPTRASN / ISP
ns.d4es.dk 81.7.138.60 ns.d4es.dk AS47292 Sentia Denmark A/S
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   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
81.7.138.54 3600s — AS47292 Sentia Denmark A/S 81.7.136.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.d4.dk 81.7.138.35 mail.d4.dk AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermail.d4.dk → 81.7.138.35

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records   140ms
TXT Record
google-site-verification=F1cGzDC9nG2ts4pMgXPoW7ZSBfrbbNvAhh9Eor1KdSk
google-site-verification=RqBgVChsWTesP0Xwid6Y_piekzo9YXoUCT2gyyqG4Ss
logmein-verification-code=3217d0da-2454-4ae7-8c17-7c055e59cc96
MS=0E60CE0E2C5622FEFA2566D2CF483BF6109C4FA6
v=spf1 mx -all

✉️ SPF#

PolicyRecord (d4.dk)
-all (hard fail) v=spf1 mx -all

📨 DMARC#

PolicyRecord (_dmarc.d4.dk)
p=none (monitor only) v=DMARC1; p=none

📬 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 12:34:23
www CNAMEhostprod1.d4es.com (all on d4es.com)
www vs bare domainSame network
d4.dk: 81.7.138.54 (AS47292)
www.d4.dk: 81.7.138.50 (AS47292)
WildcardNo
Denial of existenceNSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 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#

115ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026091610
Primary NS (MNAME)ns.d4es.dk
Responsible (RNAME)mortrr@d4es.dk
Refresh1200s
Retry600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-19 08:11:35
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2001-02-15
Expires2027-03-31 (160d)

🔗 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
d4es.dkPunktum dk A/S (direct)
d4infonet.dkPunktum dk A/S (direct)
isointranet.dkPunktum dk A/S (direct)
qdoc.dkPunktum dk A/S (direct)
qdok.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
32ms
A
38ms
MX
32ms
AAAA
32ms
TXT
140ms
CAA
39ms
HTTPS
43ms
TLSA
166ms
SOA
0ms
MTA-STS
54ms
DNSSEC
115ms
SRV
57ms
Total
3912ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 12:34:23 3073ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-20 09:56:01 3703ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-19 07:51:05 3130ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-17 05:13:40 2538ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-16 04:34:29 2647ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-15 02:47:38 3277ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-12 18:21:20 561ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-12 18:19:42 3108ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-11 16:47:55 3450ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-10 16:05:46 3915ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-09 14:21:24 4248ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-08 13:18:57 3465ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-07 13:09:28 3018ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-06 10:13:43 5617ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-04 09:54:22 3161ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-03 09:52:57 2708ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-02 09:52:07 3875ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-30 09:40:29 430ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-29 11:06:07 3013ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-28 10:52:38 2898ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-25 10:35:47 6795ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-24 14:08:47 2838ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-23 13:37:12 2946ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-20 22:54:24 3385ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-19 18:46:31 778ms 3 NS 1 A 1 MX 🔒 Secure
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