jblaursen.dk DNS records

🖥️ Nameservers2 records 43ms

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 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.124.91.155	3600s	—	AS8075	Microsoft Corporation	51.124.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records4 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 174ms

TXT Record
_r3kg609gkwg9dogi9ngeb07w7d9ws8e
v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (jblaursen.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com 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

🔗 TLSA / DANE4 records 153ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…

🔐 DNSSEC95ms

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

🏷️ SOA55ms

Field	Value
Serial	2026081502
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

43ms

A

60ms

MX

41ms

AAAA

37ms

TXT

174ms

CAA

56ms

HTTPS

34ms

TLSA

153ms

SOA

55ms

MTA-STS

53ms

DNSSEC

95ms

SRV

71ms

Total

5083ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 01:11:12	5083ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-15 08:40:42	3432ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 04:24:27	3021ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 14:36:49	1006ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 18:50:08	552ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 13:04:07	2854ms	2 NS 1 A 4 MX	🔒 Secure	View