jckingdk.dk DNS records

🖥️ Nameservers2 records 217ms

Nameserver	IP addresses	PTR	ASN / ISP
ali.ns.cloudflare.com	108.162.192.59 172.64.32.59 173.245.58.59 2606:4700:50::adf5:3a3b 2803:f800:50::6ca2:c03b 2a06:98c1:50::ac40:203b	ali.ns.cloudflare.com ali.ns.cloudflare.com ali.ns.cloudflare.com ali.ns.cloudflare.com ali.ns.cloudflare.com ali.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
piotr.ns.cloudflare.com	108.162.193.222 172.64.33.222 173.245.59.222 2606:4700:58::adf5:3bde 2803:f800:50::6ca2:c1de 2a06:98c1:50::ac40:21de	piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 247ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.jckingdk.dk	23.88.49.220 2a01:4f8:1c1e:e581::1	— mail.jckingdk.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.jckingdk.dk → 23.88.49.220
🔶 Autoconfig	mail.jckingdk.dk → 23.88.49.220

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 248ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	100	1	443	mail.jckingdk.dk

📝 TXT Records1 records 401ms

TXT Record
v=spf1 include:mail.jckingdk.dk -all

✉️ SPF

Policy	Record (jckingdk.dk)
-all (hard fail)	v=spf1 include:mail.jckingdk.dk -all

📨 DMARC

Policy	Record (_dmarc.jckingdk.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:jejo@jckingdk.dk;

📬 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 / DANE1 records 123ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.jckingdk.dk	DANE-EE · SPKI · SHA-256	C0533D5677917985A6C34ED799FC39ED…

🔐 DNSSEC302ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA377ms

Field	Value
Serial	2405614724
Primary NS (MNAME)	ali.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

217ms

A

220ms

MX

247ms

AAAA

215ms

TXT

401ms

CAA

206ms

HTTPS

199ms

TLSA

123ms

SOA

377ms

MTA-STS

237ms

DNSSEC

302ms

SRV

248ms

Total

2686ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 01:35:57	1119ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-27 17:08:22	1177ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-08 19:08:40	1187ms	2 NS 0 A 1 MX	❓ Unknown	View
2026-07-07 01:33:05	1274ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-03 14:34:10	3117ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-24 19:08:33	2686ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-17 13:27:47	2434ms	2 NS 0 A 1 MX	🔓 Insecure	View