jakob-holst.dk DNS records

🖥️ Nameservers2 records 80ms

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 127ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.151	3600s	webcluster24.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 120ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod11-cph3.one.com	—	—	—
10	10800s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	77.111.240.151
🔶 Autoconfig	77.111.240.151

🔷 AAAA Records (IPv6)1 records 95ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:b9:fd7c:9f1d:6601	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 487ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.jakob-holst.dk)
p=reject	v=DMARC1; p=reject

📬 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 16224ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC218ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081801
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

80ms

A

127ms

MX

120ms

AAAA

95ms

TXT

487ms

CAA

116ms

HTTPS

114ms

TLSA

16224ms

SOA

0ms

MTA-STS

182ms

DNSSEC

218ms

SRV

216ms

Total

26538ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 06:32:57	26538ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-17 03:15:22	985ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-08 17:05:50	962ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-06 12:45:04	8886ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-21 18:52:54	877ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-07 02:35:33	1283ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-04 23:57:24	849ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-03 15:58:08	1857ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 18:47:04	821ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 09:46:04	1145ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 23:36:58	931ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 17:16:02	1007ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 10:44:21	934ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 12:11:29	672ms	2 NS 1 A 4 MX	🔒 Secure	View