mathx.dk DNS records

🖥️ Nameservers2 records 117ms

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 Records1 records 420ms

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

📧 MX Records5 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx2.googlemail.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx3.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	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 Records1 records 500ms

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

🔏 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)

🔐 DNSSEC529ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

117ms

A

420ms

MX

111ms

AAAA

116ms

TXT

500ms

CAA

292ms

HTTPS

114ms

TLSA

98ms

SOA

0ms

MTA-STS

307ms

DNSSEC

529ms

SRV

421ms

Total

1355ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-05 20:14:37	1355ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-26 11:05:09	1705ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-20 13:29:37	5318ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-26 19:18:35	17439ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-25 07:45:13	753ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-20 06:53:16	786ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-18 02:10:26	1329ms	2 NS 1 A 5 MX	🔒 Secure	View