frederikholbech.dk DNS records

🖥️ Nameservers2 records 194ms

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 304ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.23	3600s	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 305ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod16-cph3.g1i.one.com	5.249.232.33	mx1.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod16-cph3.g1i.one.com	5.249.232.34	mx2.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod16-cph3.g1i.one.com	5.249.232.35	mx3.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod16-cph3.g1i.one.com	5.249.232.36	mx4.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 216ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:be:1d99:901e:b12	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 / DANE4 records 378ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…

🔐 DNSSEC484ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-06-27 09:21:05

Field	Value
Registrar	Simply.com A/S
Registered	2015-11-09
Expires	2026-11-30 (88d)

📋 WHOIS

⏱️ Lookup Timing

NS

194ms

A

304ms

MX

305ms

AAAA

216ms

TXT

664ms

CAA

180ms

HTTPS

208ms

TLSA

378ms

SOA

0ms

MTA-STS

369ms

DNSSEC

484ms

SRV

345ms

Total

4990ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 01:01:45	775ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-09-01 18:56:17	695ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-25 22:54:18	703ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-15 17:53:24	4990ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-17 21:28:59	1728ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-14 00:40:44	1252ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-03 07:59:27	705ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 09:17:16	638ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 15:00:53	752ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 00:21:32	1758ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 09:43:04	1066ms	2 NS 1 A 4 MX	🔒 Secure	View