jacobsengroup.dk

📜 Historical scan 2026-06-19 14:26:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jacobsengroup.dk is a .dk domain served by 2 nameservers (ns1.dlx.dk, ns2.dlx.dk). It was registered on 3 May 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by jacobsengroup-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dlx.dk	2a00:1b18:1337:1337::53 46.30.121.210	ns1.dlx.dk ns1.dlx.dk	AS47527 DLX A/S AS47527 DLX A/S
ns2.dlx.dk	185.208.212.124 2a00:1b19:1337:1337::53	ns2.dlx.dk ns2.dlx.dk	AS47527 DLX A/S AS47527 DLX A/S

🌍 A Records#

1 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	3600s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jacobsengroup-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::5 2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 52.101.68.39 52.101.73.2 52.101.73.24 52.101.73.30	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 223ms

TXT Record
proxy-ssl.webflow.com
v=spf1 ip4:195.138.210.197 include:spf.protection.outlook.com include:_spf.signicat.cloud -all

✉️ SPF#

Policy	Record (jacobsengroup.dk)
-all (hard fail)	v=spf1 ip4:195.138.210.197 include:spf.protection.outlook.com include:_spf.signicat.cloud -all

📨 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 2026-10-09 18:15:42

www CNAME	cdn.webflow.com (all on webflow.com) → 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
www vs bare domain	Same network jacobsengroup.dk: 198.202.211.1 (AS209242) www.jacobsengroup.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

88ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

63ms

Field	Value
Serial	2026021803
Primary NS (MNAME)	ns1.dlx.dk
Responsible (RNAME)	ks@dlx.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-24 02:50:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-05-03
Expires	2027-05-31 (219d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

45ms

50ms

51ms

AAAA

43ms

TXT

223ms

CAA

42ms

HTTPS

44ms

TLSA

910ms

SOA

63ms

MTA-STS

46ms

DNSSEC

88ms

SRV

257ms

Total

1548ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:12:59	1023ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-12 10:53:14	1653ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 13:37:35	2420ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-19 14:26:54 shown	1548ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 08:02:14	5058ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 07:58:42	1227ms	2 NS 1 A 1 MX	🔓 Insecure