jacobsengroup.dk

📜 Historical scan 2026-06-18 08:02:14 · ← 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. 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 117ms

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 135ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	—	—	AS209242	—	—	—	—

📧 MX Records#

1 records 126ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	jacobsengroup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 2a01:111:f403:ca09::2 2a01:111:f403:ca09::d 52.101.68.3 52.101.73.11 52.101.73.19 52.101.73.24	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 52.98.179.104

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 247ms

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#

169ms

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

🏷️ SOA#

122ms

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#

117ms

135ms

126ms

AAAA

124ms

TXT

247ms

CAA

132ms

HTTPS

121ms

TLSA

975ms

SOA

122ms

MTA-STS

105ms

DNSSEC

169ms

SRV

472ms

Total

5058ms

🕐 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	1548ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 08:02:14 shown	5058ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 07:58:42	1227ms	2 NS 1 A 1 MX	🔓 Insecure