mathel.dk

📜 Historical scan 2026-09-24 01:37:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mathel.dk is a .dk domain served by 2 nameservers (byron.ns.cloudflare.com, walk.ns.cloudflare.com). It was registered on 26 February 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.70.114 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 39ms

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 Records#

2 records 39ms

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 Records#

4 records 46ms

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	172.67.223.21

🔷 AAAA Records (IPv6)#

2 records 44ms

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 Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.70.114,172.67.223.21 ech=AEX+DQBBwAAgACBrz9Z3yknC6L02ZXz0l/P33i3AGXPnjdxCmuGWSSuTAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 12:47:22

www	104.21.70.114 172.67.223.21 2606:4700:3030::ac43:df15 2606:4700:3033::6815:4672 (AS13335) (address records, no CNAME)
www vs bare domain	Same network mathel.dk: 104.21.70.114 172.67.223.21 2606:4700:3030::ac43:df15 2606:4700:3033::6815:4672 (AS13335) www.mathel.dk: 104.21.70.114 172.67.223.21 2606:4700:3030::ac43:df15 2606:4700:3033::6815:4672 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.mathel.dk	0qnV9qIlwVkM-dGH-sAdcZeHzfyuZrtGvEO0u6c2bic
TXT	_acme-challenge.mathel.dk	wJZ7ibPceEURWFz23lrOk9XEwRyYDJEFvNPDuFtjoKk

🔗 TLSA / DANE#

4 records 90ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…

🔐 DNSSEC#

113ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415656941
Primary NS (MNAME)	byron.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 13:18:48

Field	Value
Registrar	ONE.COM A/S
Registered	2007-02-26
Expires	2027-02-28 (131d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

46ms

AAAA

44ms

TXT

199ms

CAA

38ms

HTTPS

38ms

TLSA

90ms

SOA

0ms

MTA-STS

61ms

DNSSEC

113ms

SRV

79ms

Total

1445ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:47:22	2118ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-25 02:05:11	888ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-24 01:37:21 shown	1445ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-12 11:35:18	1447ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-26 01:26:00	17246ms	2 NS 2 A 4 MX	❓ Unknown
2026-06-24 23:53:56	971ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-21 06:28:36	666ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-20 18:24:07	1481ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-18 06:58:36	3017ms	2 NS 2 A 4 MX	🔓 Insecure