knopper.dk DNS records

🖥️ Nameservers2 records 22ms

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 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
116.203.120.22	43200s	static.22.120.203.116.clients.your-server.de	AS24940	Hetzner Online GmbH	116.202.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records4 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	116.203.120.22
🔶 Autoconfig	116.203.120.22

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 214ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF

Policy	Record (knopper.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.knopper.dk)
p=quarantine	v=DMARC1; p=quarantine; ruf=mailto:postmaster@knopper.dk

📬 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 / DANE4 records 574ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…

🔐 DNSSEC94ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090201
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

22ms

A

28ms

MX

35ms

AAAA

28ms

TXT

214ms

CAA

23ms

HTTPS

29ms

TLSA

574ms

SOA

0ms

MTA-STS

38ms

DNSSEC

94ms

SRV

49ms

Total

1202ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 14:35:50	1202ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-24 20:35:38	744ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-19 03:45:32	1285ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-17 06:20:25	1592ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-02 12:04:03	1146ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 21:34:10	2561ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 13:57:18	736ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 16:45:36	3060ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 14:04:10	1185ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 23:57:38	729ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 23:58:59	805ms	2 NS 1 A 4 MX	🔒 Secure	View