jacobsen-group.dk

📜 Historical scan 2026-07-20 16:39:40 · ← Latest scan

🧟 Lame delegation ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jacobsen-group.dk is a registered .dk domain whose nameservers (ns.co3.dk, ns.ikastnet.dk) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 11 May 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 179ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.co3.dk	208.80.124.159	ns11.digicertdns.com	AS16552 Tiggee LLC
ns.ikastnet.dk	208.80.126.159	ns12.digicertdns.com	AS16552 Tiggee LLC

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

207ms

Check	Result
Validation Status	❓ Unknown (the delegated nameservers don't answer)
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-12 01:22:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-05-11
Expires	2027-05-31 (222d)

🔗 Same registrant#

7 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
bedremotor.dk	Simply.com A/S
denjyskesparekassesstoettefond.dk	ONE.COM A/S
ibco-privat.dk	Punktum dk A/S (direct)
ikastnet.dk	Punktum dk A/S (direct)
midtadvokater.dk	Punktum dk A/S (direct)
qrweb.dk	Punktum dk A/S (direct)
webtester.dk	InterNetX GmbH

📋 WHOIS#

⏱️ Lookup Timing#

179ms

86ms

180ms

AAAA

100ms

TXT

460ms

CAA

98ms

HTTPS

100ms

TLSA

200ms

SOA

33ms

MTA-STS

336ms

DNSSEC

207ms

SRV

430ms

Total

1643ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 10:39:41	6996ms	2 NS 0 A 0 MX	❓ Unknown
2026-09-23 12:23:43	8360ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-26 01:19:25	13815ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-24 00:11:07	5497ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-22 19:41:52	13649ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-21 19:37:46	13921ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-20 19:35:29	12037ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-19 17:58:00	6578ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-18 17:55:28	10513ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-17 06:25:28	14377ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-15 15:28:21	9628ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-14 11:38:20	7842ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-13 04:44:16	1968ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-11 21:52:31	13957ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-10 19:26:28	5009ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-09 08:15:25	9718ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-07 16:13:16	14103ms	2 NS 0 A 0 MX	❓ Unknown
2026-08-05 16:15:09	4964ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-31 00:57:07	4542ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-27 06:21:23	2716ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-26 05:27:56	1898ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-25 05:08:37	13543ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-24 04:02:10	13883ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-23 00:32:52	9293ms	2 NS 0 A 0 MX	❓ Unknown
2026-07-21 22:55:33	1803ms	2 NS 0 A 0 MX	❓ Unknown