davidj.dk DNS records

🖥️ Nameservers2 records 40ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.30.252.153	43200s	lb-192-30-252-153-iad.github.com	AS36459	GitHub, Inc.	192.30.252.0/22	🇺🇸 United States	—

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	davidj.dk → 192.30.252.153
🔶 Autoconfig	davidj.dk → 192.30.252.153

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 167ms

TXT Record
protonmail-verification=f1935e436deaa1a3ba5b3e6eb7582dd0cd859cca
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF

Policy	Record (davidj.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch mx ~all

📨 DMARC

Policy	Record (_dmarc.davidj.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:david.jorgensen@gmail.com

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.davidj.dk	davidj.dk
TXT	davidj.dk	protonmail-verification=f1935e436deaa1a3ba5b3e6eb7582dd0cd859cca

🔗 TLSA / DANE2 records 51ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC2059ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
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

40ms

A

42ms

MX

39ms

AAAA

63ms

TXT

167ms

CAA

50ms

HTTPS

41ms

TLSA

51ms

SOA

0ms

MTA-STS

69ms

DNSSEC

2059ms

SRV

65ms

Total

2592ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 01:15:11	2592ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 16:27:18	9224ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 09:53:51	4966ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 03:46:16	5453ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 18:27:38	8734ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 19:05:59	804ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 11:36:48	7473ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 01:11:07	520ms	2 NS 1 A 1 MX	🔒 Secure	View