jrteknik.dk

📜 Historical scan 2026-06-24 17:39:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jrteknik.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 January 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by barracuda.mitcom.dk. 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 237ms

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#

🌍

No A records found

📧 MX Records#

1 records 224ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	800s	barracuda.mitcom.dk	85.27.179.10	barracuda.mitcom.dk	AS34705 Norlys Telco A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	46.30.215.191

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 328ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	mailserver16.mitcom.dk

📝 TXT Records#

1 records 394ms

TXT Record
v=spf1 include:mitcom.dk -all

✉️ SPF#

Policy	Record (jrteknik.dk)
-all (hard fail)	v=spf1 include:mitcom.dk -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 2026-10-14 03:15:16

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves jrteknik.dk: no address www.jrteknik.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
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#

326ms

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

🏷️ SOA#

224ms

Field	Value
Serial	2026032401
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 2026-10-12 06:21:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-01-14
Expires	2027-01-31 (100d)

🔗 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#

237ms

231ms

224ms

AAAA

228ms

TXT

394ms

CAA

218ms

HTTPS

230ms

TLSA

74ms

SOA

224ms

MTA-STS

235ms

DNSSEC

326ms

SRV

328ms

Total

1166ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:25:17	400ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-21 10:16:46	578ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-03 22:47:41	5443ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-29 08:56:58	542ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-26 08:05:56	1124ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-24 17:39:13 shown	1166ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-20 03:19:46	400ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-20 03:17:49	403ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 16:52:06	2682ms	2 NS 0 A 1 MX	🔒 Secure