frederik-skov.dk

📜 Historical scan 2026-06-25 10:19:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

frederik-skov.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 September 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.36 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 47ms

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 Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.36	3600s	webcluster2.webpod15-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

4 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10e:8023:2638:6e26:41bd	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#

2 records 124ms

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

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (frederik-skov.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com -all
~all (soft fail)	v=spf1 include:_custspf.one.com include:myspecialmailserver.example.com ~all

📨 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 22:05:58

www	46.30.215.36 2a02:2350:5:10e:8023:2638:6e26:41bd (AS51468) (address records, no CNAME)
www vs bare domain	Same network frederik-skov.dk: 46.30.215.36 2a02:2350:5:10e:8023:2638:6e26:41bd (AS51468) www.frederik-skov.dk: 46.30.215.36 2a02:2350:5:10e:8023:2638:6e26:41bd (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

4 records 55ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…

🔐 DNSSEC#

105ms

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

🏷️ SOA#

29ms

Field	Value
Serial	2026062102
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-21 07:04:07

Field	Value
Registrar	ONE.COM A/S
Registered	2000-09-13
Expires	2027-09-30 (337d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

45ms

AAAA

44ms

TXT

124ms

CAA

35ms

HTTPS

48ms

TLSA

55ms

SOA

29ms

MTA-STS

49ms

DNSSEC

105ms

SRV

44ms

Total

552ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 22:05:58	468ms	2 NS 1 A 4 MX	🔒 Secure
2026-10-01 02:49:24	1063ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-31 14:54:15	1357ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-29 10:58:28	2462ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-20 15:07:20	6152ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-01 15:19:01	9048ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-29 17:36:46	1986ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-26 22:37:00	669ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-25 10:19:47 shown	552ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-24 07:10:26	927ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 23:42:03	1089ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-19 13:10:22	802ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 09:31:51	878ms	2 NS 1 A 4 MX	🔒 Secure