hkristensen.dk DNS records

🖥️ Nameservers2 records 27ms

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

🌍

No A records found

📧 MX Records3 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mxext1.mailbox.org	2001:67c:2050:104:0:1:25:1 80.241.60.212	mx1.mailbox.org mx1.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH
10	43200s	mxext2.mailbox.org	2001:67c:2050:104:0:2:25:1 80.241.60.215	mx2.mailbox.org mx2.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH
20	43200s	mxext3.mailbox.org	2001:67c:2050:104:0:3:25:1 80.241.60.216	mx3.mailbox.org mx3.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 118ms

TXT Record
v=spf1 include:mailbox.org

✉️ SPF

Policy	Record (hkristensen.dk)
no all — incomplete SPF	v=spf1 include:mailbox.org

📨 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 / DANE9 records 243ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…

🔐 DNSSEC94ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

27ms

A

25ms

MX

31ms

AAAA

25ms

TXT

118ms

CAA

30ms

HTTPS

32ms

TLSA

243ms

SOA

0ms

MTA-STS

44ms

DNSSEC

94ms

SRV

36ms

Total

1511ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 07:18:50	1511ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-08-27 22:24:29	9798ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-08-18 22:14:12	12392ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-08-11 19:29:59	1444ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-07-19 10:44:08	2685ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-06-28 00:15:53	3264ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-06-26 05:57:43	1236ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-06-22 08:47:56	761ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-06-21 10:32:54	1559ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-06-17 12:45:42	261ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 12:43:20	4413ms	2 NS 0 A 3 MX	🔒 Secure	View