jbteknik.dk DNS records

🖥️ Nameservers2 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 Records1 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	Hornslet

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	jbteknik-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 2a01:111:f403:ca38::8 52.101.181.153 52.101.68.10 52.101.68.25 52.101.73.1	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 40.104.116.8
🔶 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 Records2 records 188ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC89ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

30ms

A

37ms

MX

40ms

AAAA

53ms

TXT

188ms

CAA

35ms

HTTPS

45ms

TLSA

327ms

SOA

0ms

MTA-STS

68ms

DNSSEC

89ms

SRV

67ms

Total

1044ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:05:01	1044ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 17:16:07	2407ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 15:06:56	845ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 11:17:48	1238ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 01:52:16	1008ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 08:41:14	4794ms	2 NS 1 A 1 MX	🔒 Secure	View