qrst.dk DNS records

🖥️ Nameservers2 records 65ms

Nameserver	IP addresses	PTR	ASN / ISP
jermaine.ns.cloudflare.com	108.162.195.157 162.159.44.157 172.64.35.157 2606:4700:58::a29f:2c9d 2803:f800:50::6ca2:c39d 2a06:98c1:50::ac40:239d	jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kristina.ns.cloudflare.com	108.162.194.125 162.159.38.125 172.64.34.125 2606:4700:50::a29f:267d 2803:f800:50::6ca2:c27d 2a06:98c1:50::ac40:227d	kristina.ns.cloudflare.com kristina.ns.cloudflare.com kristina.ns.cloudflare.com kristina.ns.cloudflare.com kristina.ns.cloudflare.com kristina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.68.220	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.198.249	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records4 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	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	87.61.95.146
🔶 Autoconfig	87.61.95.146

🔷 AAAA Records (IPv6)2 records 83ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:44dc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:c6f9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 100ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.68.220,172.67.198.249 ech=AEX+DQBBOwAgACD+m/Qfo1jU0aqvMNakkb9kSsvoFMkgD7zHmn/7Mi4mJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:44dc,2606:4700:3034::ac43:c6f9

📝 TXT Records1 records 291ms

TXT Record
google-site-verification=IHseIOmzU1wH1g-N2QU_CiEzrjmVs2PDtd02eq_RFKk

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.qrst.dk	mgrYVcbnM6ombHxKIg1eR5AcNRIWawhnQoWzYxNrumA
TXT	_acme-challenge.qrst.dk	SlkwjBmTpRbn_aPw2v5uEHuBEUXTpoTS0Ahy8j-L1ck

🔗 TLSA / DANE4 records 149ms

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…

🔐 DNSSEC184ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413408940
Primary NS (MNAME)	jermaine.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

65ms

A

102ms

MX

82ms

AAAA

83ms

TXT

291ms

CAA

105ms

HTTPS

100ms

TLSA

149ms

SOA

0ms

MTA-STS

118ms

DNSSEC

184ms

SRV

155ms

Total

1391ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 01:03:47	2227ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-28 21:13:31	1391ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-26 17:41:48	883ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-20 00:39:08	9698ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-07 17:30:02	1759ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-07-02 16:07:31	1856ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-27 10:52:54	1577ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-23 21:13:14	1132ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 00:32:49	1030ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-17 22:51:02	1206ms	2 NS 1 A 4 MX	🔓 Insecure	View