jac-teknik.dk

Records from scan: 2026-10-04 02:38:00 · 973ms total · last checked 2026-10-17 10:40 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jac-teknik.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 November 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.52 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by jacteknik-dk0i.mail.eo.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 53ms

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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.109.52	3600s	web12.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	jacteknik-dk0i.mail.eo.outlook.com	2a01:111:f403:ca09::22 2a01:111:f403:ca38::a 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::a 52.101.209.31 52.101.68.15 52.101.68.27 52.101.91.162	mail-am7pr02cu00302.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-matpr04cu00302.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 193ms

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

✉️ SPF#

Policy	Record (jac-teknik.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.jac-teknik.dk)
p=reject	v=DMARC1; p=reject; pct=100

📬 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#

checked 2026-10-11 19:50:25

www	94.231.109.52 (AS48854) (address records, no CNAME)
www vs bare domain	Same network jac-teknik.dk: 94.231.109.52 (AS48854) www.jac-teknik.dk: 94.231.109.52 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-jacteknik-dk0i._domainkey.jacteknik.onmicrosoft.com	RSA · ~1024 bit below 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

96ms

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

🏷️ SOA#

76ms

Field	Value
Serial	2026100301
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 2026-10-05 11:48:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-11-04
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

40ms

60ms

AAAA

47ms

TXT

193ms

CAA

35ms

HTTPS

38ms

TLSA

223ms

SOA

76ms

MTA-STS

78ms

DNSSEC

96ms

SRV

69ms

Total

973ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 02:38:00 shown	973ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 02:07:29	682ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 23:53:29	1405ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 21:04:19	4548ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:44:51	4629ms	2 NS 1 A 1 MX	🔒 Secure