knowtech.dk DNS records

🖥️ Nameservers2 records 59ms

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 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.18	—	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.pub.mailpod9-cph3.one.com	185.164.14.118	mx1.pub.mailpod9-cph3.one.com	AS51468 One.com A/S
10	—	mx2.pub.mailpod9-cph3.one.com	185.164.14.119	mx2.pub.mailpod9-cph3.one.com	AS51468 One.com A/S
10	—	mx3.pub.mailpod9-cph3.one.com	185.164.14.120	mx3.pub.mailpod9-cph3.one.com	AS51468 One.com A/S
10	—	mx4.pub.mailpod9-cph3.one.com	185.164.14.124	mx4.pub.mailpod9-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:95:a76d:2d5e:34f5	—	—	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 / DANE4 records 62ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	5D2162F5CED0ACD2C3D63E5582045A6C…
SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	5D2162F5CED0ACD2C3D63E5582045A6C…
SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	5D2162F5CED0ACD2C3D63E5582045A6C…
SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	5D2162F5CED0ACD2C3D63E5582045A6C…

🔐 DNSSEC60ms

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

🏷️ SOA59ms

Field	Value
Serial	2026042305
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

59ms

A

71ms

MX

56ms

AAAA

55ms

TXT

152ms

CAA

64ms

HTTPS

58ms

TLSA

62ms

SOA

59ms

MTA-STS

63ms

DNSSEC

60ms

SRV

0ms

Total

735ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 12:38:50	1424ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-22 08:17:59	1035ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-17 02:53:30	8972ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-11 23:46:28	8822ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 01:28:25	679ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-29 04:08:17	622ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 01:20:20	956ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 02:39:13	930ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 08:26:54	759ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 12:19:15	735ms	2 NS 1 A 4 MX	🔒 Secure	View