jakobsson.dk

📜 Historical scan 2026-06-18 07:23:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jakobsson.dk is a .dk domain served by 2 nameservers (meadow.ns.cloudflare.com, thaddeus.ns.cloudflare.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by jakobsson-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 2297ms

Nameserver	IP addresses	PTR	ASN / ISP
meadow.ns.cloudflare.com	108.162.194.51 162.159.38.51 172.64.34.51 2606:4700:50::a29f:2633 2803:f800:50::6ca2:c233 2a06:98c1:50::ac40:2233	meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
thaddeus.ns.cloudflare.com	108.162.195.127 162.159.44.127 172.64.35.127 2606:4700:58::a29f:2c7f 2803:f800:50::6ca2:c37f 2a06:98c1:50::ac40:237f	thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com thaddeus.ns.cloudflare.com — thaddeus.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 239ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	jakobsson-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::3 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 52.101.68.0 52.101.73.22 52.101.73.30 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.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	104.21.35.202

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 489ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	1	100	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 972ms

TXT Record
MS=ms41896641
v=spf1 include:spf.protection.outlook.com -all
X6X25RjDMhKgKggvHYDgX9BEX1SS/k2RoQqQt8FqydovfYhEXv6nDXdxp3iDDojODNyZTvYtNQ0KLmFxNrCzCQ==

✉️ SPF#

Policy	Record (jakobsson.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-21 09:01:05

www	NXDOMAIN
www vs bare domain	Neither resolves jakobsson.dk: no address www.jakobsson.dk: no address
Wildcard	No

🔎 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#

736ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

281ms

Field	Value
Serial	2405720613
Primary NS (MNAME)	meadow.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 09:24:12

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	1997-01-31
Expires	2027-03-31 (160d)

📋 WHOIS#

⏱️ Lookup Timing#

2297ms

341ms

239ms

AAAA

226ms

TXT

972ms

CAA

202ms

HTTPS

313ms

TLSA

1762ms

SOA

281ms

MTA-STS

233ms

DNSSEC

736ms

SRV

489ms

Total

26119ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 09:01:05	1685ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-11 08:41:10	2282ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-27 00:01:12	1288ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-27 01:55:57	3292ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-13 13:30:37	1344ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-01 17:18:22	1170ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-25 03:11:53	1182ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-21 06:50:12	1001ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-21 04:52:26	1167ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 07:37:39	14013ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-18 07:23:46 shown	26119ms	2 NS 0 A 1 MX	🔓 Insecure