mathel.dk

📜 Historical scan 2026-06-24 23:53:56 · ← 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 54ms

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 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.70.114	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.21	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	600s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	600s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	600s	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 73ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 64ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.70.114,172.67.223.21 ech=AEX+DQBBmQAgACCw8eKxw0x4V3Lw3mepCoohynUXTxoT9ytGwwCQ0XOaHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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 2026-10-22 21:15:43

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

🔗 TLSA / DANE#

4 records 74ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

74ms

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

🏷️ SOA#

53ms

Field	Value
Serial	2406831792
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 2026-10-22 21:36:58

Field	Value
Registrar	ONE.COM A/S
Registered	2007-02-26
Expires	2027-02-28 (128d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

54ms

58ms

47ms

AAAA

73ms

TXT

195ms

CAA

53ms

HTTPS

64ms

TLSA

74ms

SOA

53ms

MTA-STS

56ms

DNSSEC

74ms

SRV

92ms

Total

971ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 21:15:43	543ms	2 NS 2 A 4 MX	🔓 Insecure
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	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 shown	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