jakobsen75.dk

📜 Historical scan 2026-06-17 22:58:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jakobsen75.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 12 January 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by scanner01.resennet.dk, scanner02.resennet.dk and 1 more. 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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

3 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	scanner01.resennet.dk	193.32.65.29	scanner01.resennet.dk	AS3292 TDC Holding A/S
20	—	scanner02.resennet.dk	193.32.65.29	scanner01.resennet.dk	AS3292 TDC Holding A/S
30	—	scanner03.resennet.dk	193.32.65.29	scanner01.resennet.dk	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 213ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 244ms

TXT Record
v=spf1 include:_spf.resennet.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (jakobsen75.dk)
-all (hard fail)	v=spf1 include:_spf.resennet.dk 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 2026-10-07 17:38:03

www	NXDOMAIN
www vs bare domain	Neither resolves jakobsen75.dk: no address www.jakobsen75.dk: no address
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

82ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

82ms

Field	Value
Serial	2025090801
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-19 13:06:55

Field	Value
Registrar	DANDOMAIN A/S
Registered	2016-01-12
Expires	2027-01-31 (103d)

🔗 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#

46ms

44ms

AAAA

29ms

TXT

244ms

CAA

40ms

HTTPS

72ms

TLSA

59ms

SOA

82ms

MTA-STS

44ms

DNSSEC

82ms

SRV

213ms

Total

653ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:38:03	360ms	2 NS 0 A 3 MX	🔒 Secure
2026-09-30 00:45:10	390ms	2 NS 0 A 3 MX	🔒 Secure
2026-08-26 16:19:06	987ms	2 NS 0 A 3 MX	🔒 Secure
2026-06-25 11:26:46	1867ms	2 NS 0 A 3 MX	🔒 Secure
2026-06-17 22:58:29 shown	653ms	2 NS 0 A 3 MX	🔒 Secure