jbteknik.dk

Records from scan: 2026-09-29 13:06:14 · 1512ms total · last checked 2026-10-22 10:16 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jbteknik.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 November 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.136.91.139 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by jbteknik-dk.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 30ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.136.91.139	3600s	—	AS31027	GlobalConnect A/S	83.136.88.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	jbteknik-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::b 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::a 52.101.103.162 52.101.68.10 52.101.68.8 52.101.73.120	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00300.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 → 40.104.116.24
🔶 Autoconfig	83.136.91.139

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 420ms

TXT Record
MS=ms75383942
v=spf1 ip4:83.136.91.133/27 include:spf.simply.com include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (jbteknik.dk)
-all (hard fail)	v=spf1 ip4:83.136.91.133/27 include:spf.simply.com include:spf.protection.outlook.com include:web.shared.mysmtp.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#

checked 2026-10-07 15:45:48

www	83.136.91.139 (AS31027) (address records, no CNAME)
www vs bare domain	Same network jbteknik.dk: 83.136.91.139 (AS31027) www.jbteknik.dk: 83.136.91.139 (AS31027)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092801
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 2026-10-07 18:09:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-11-02
Expires	2026-11-30 (38d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

37ms

35ms

AAAA

41ms

TXT

420ms

CAA

37ms

HTTPS

29ms

TLSA

591ms

SOA

0ms

MTA-STS

75ms

DNSSEC

106ms

SRV

159ms

Total

1512ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 13:06:14 shown	1512ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 12:23:04	874ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 12:44:27	1794ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 08:05:01	1044ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 17:16:07	2407ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 15:06:56	845ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 11:17:48	1238ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 01:52:16	1008ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 08:41:14	4794ms	2 NS 1 A 1 MX	🔒 Secure