matematiksider.dk DNS records

🖥️ Nameservers2 records 88ms

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 79ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.158	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod13-cph3.one.com	185.10.9.42	mx1.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod13-cph3.one.com	185.10.9.43	mx2.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod13-cph3.one.com	185.10.9.44	mx3.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod13-cph3.one.com	185.10.9.45	mx4.pub.mailpod13-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 72ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:f4:6ff4:7b47:ec	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 / DANE8 records 229ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	7923F8E70F50B8C6DFFC5E73814B9D2D…
SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	7923F8E70F50B8C6DFFC5E73814B9D2D…
SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	7923F8E70F50B8C6DFFC5E73814B9D2D…
SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	7923F8E70F50B8C6DFFC5E73814B9D2D…
SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…

🔐 DNSSEC187ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082202
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

88ms

A

79ms

MX

83ms

AAAA

72ms

TXT

295ms

CAA

75ms

HTTPS

95ms

TLSA

229ms

SOA

0ms

MTA-STS

90ms

DNSSEC

187ms

SRV

99ms

Total

1272ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 05:44:39	1272ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-21 05:34:58	7131ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-07-23 17:43:35	952ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-07-11 18:47:53	8869ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-07-03 20:59:09	13588ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-07-02 20:33:12	12696ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-06-25 11:21:56	3291ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-25 09:56:45	2148ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-24 01:31:00	3142ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-23 21:52:51	1115ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 23:45:45	948ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:41:07	1474ms	2 NS 1 A 4 MX	🔓 Insecure	View