lars-jakobsen.dk

📜 Historical scan 2026-08-20 01:33:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lars-jakobsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 August 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by larsjakobsen-dk01b.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	larsjakobsen-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::5 2a01:111:f403:ca04::8 2a01:111:f403:ca09::5 52.101.68.16 52.101.68.36 52.101.73.15 52.101.73.28	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.56
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 251ms

TXT Record
0ed1fe018a1c0ea16970a14d5084bc86c9dac90c06
MS=ms29706770
MS=ms67942547
v=spf1 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (lars-jakobsen.dk)
-all (hard fail)	v=spf1 include:eu._netblocks.mimecast.com 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 2026-10-19 02:12:29

www CNAME	lars-jakobsen.dk (all on lars-jakobsen.dk) → 195.47.247.18 (AS51468)
www vs bare domain	Same network lars-jakobsen.dk: 195.47.247.18 (AS51468) www.lars-jakobsen.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-larsjakobsen-dk01b._domainkey.ejbyjakobsen.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

127ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

26ms

Field	Value
Serial	2026081701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-19 02:29:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-08-01
Expires	2027-08-31 (310d)

🔗 Same registrant#

1 domain

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
ejby-jakobsen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

44ms

46ms

AAAA

44ms

TXT

251ms

CAA

46ms

HTTPS

43ms

TLSA

760ms

SOA

26ms

MTA-STS

63ms

DNSSEC

127ms

SRV

174ms

Total

5879ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 02:12:29	1843ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:14:53	1110ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 01:29:21	1218ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 09:58:15	923ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 02:16:54	848ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 02:32:13	1333ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 03:08:30	866ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 01:33:02 shown	5879ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 07:05:59	3862ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 12:18:22	16986ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-07 00:05:18	1926ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 22:33:40	732ms	2 NS 1 A 1 MX	🔒 Secure