mathel.dk DNS records

🖥️ Nameservers2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
byron.ns.cloudflare.com	108.162.195.67 162.159.44.67 172.64.35.67 2606:4700:58::a29f:2c43 2803:f800:50::6ca2:c343 2a06:98c1:50::ac40:2343	byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
walk.ns.cloudflare.com	108.162.194.128 162.159.38.128 172.64.34.128 2606:4700:50::a29f:2680 2803:f800:50::6ca2:c280 2a06:98c1:50::ac40:2280	walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.70.114	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.21	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records4 records 48ms

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	172.67.223.21
🔶 Autoconfig	104.21.70.114

🔷 AAAA Records (IPv6)2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:df15	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:4672	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.70.114,172.67.223.21 ech=AEX+DQBBdwAgACBBU3pwJ4kX+MCnsHHsXRr9XTOuS3wS22xsmZO1HyIaOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:df15,2606:4700:3033::6815:4672

📝 TXT Records

📝

No TXT records found

✉️ 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

🔗 TLSA / DANE4 records 96ms

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…

🔐 DNSSEC87ms

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	2411930080
Primary NS (MNAME)	byron.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

42ms

A

97ms

MX

48ms

AAAA

45ms

TXT

281ms

CAA

59ms

HTTPS

48ms

TLSA

96ms

SOA

0ms

MTA-STS

72ms

DNSSEC

87ms

SRV

243ms

Total

1447ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 11:35:18	1447ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-07-26 01:26:00	17246ms	2 NS 2 A 4 MX	❓ Unknown	View
2026-06-24 23:53:56	971ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-21 06:28:36	666ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-20 18:24:07	1481ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-18 06:58:36	3017ms	2 NS 2 A 4 MX	🔓 Insecure	View