mathx.dk

📜 Historical scan 2026-10-25 09:43:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mathx.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 January 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 118ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.119.155.66	43200s	—	—	—	—	🇩🇪 Germany	—

📧 MX Records#

5 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	108.177.14.26 2a00:1450:4010:c0d::1b 2a00:1450:4010:c0d::1b	lt-in-f26.1e100.net lq-in-x1b.1e100.net lq-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	www.mathx.dk → 85.119.155.66
🔶 Autoconfig	www.mathx.dk → 85.119.155.66

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 200ms

TXT Record
google-site-verification=Z2wvwhKKZ8XFiJ2F3IFODgwTq11fQ1uRbPBOoMFfSFc

✉️ 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 2026-10-27 12:49:23

www	85.119.155.66 (address records, no CNAME)
www vs bare domain	Same network mathx.dk: 85.119.155.66 www.mathx.dk: 85.119.155.66
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.mathx.dk	www.mathx.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

1181ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

44ms

Field	Value
Serial	2026092501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-23 17:20:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-01-12
Expires	2027-01-31 (95d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
inhousesecurity.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

118ms

30ms

25ms

AAAA

1159ms

TXT

200ms

CAA

113ms

HTTPS

28ms

TLSA

284ms

SOA

44ms

MTA-STS

145ms

DNSSEC

1181ms

SRV

1169ms

Total

2021ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-27 12:49:23	1111ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-25 09:43:21 shown	2021ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-23 10:12:09	1844ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-26 03:56:36	1043ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-19 10:07:01	2686ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-05 20:14:37	1355ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-26 11:05:09	1705ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-20 13:29:37	5318ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-26 19:18:35	17439ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-25 07:45:13	753ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 06:53:16	786ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-18 02:10:26	1329ms	2 NS 1 A 5 MX	🔒 Secure