frederik-skov.dk

📜 Historical scan 2026-06-20 23:42:03  ·  ← 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   93ms
NameserverIP addressesPTRASN / 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   119ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   82ms
PriorityTTLMail ServerIP addressesPTRASN
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   80ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   389ms
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)
PolicyRecord (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
www46.30.215.36 2a02:2350:5:10e:8023:2638:6e26:41bd (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 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   105ms
Service / OwnerTypeCert 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#

310ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026062003
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-21 07:04:07
FieldValue
RegistrarONE.COM A/S
Registered2000-09-13
Expires2027-09-30 (337d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
93ms
A
119ms
MX
82ms
AAAA
80ms
TXT
389ms
CAA
115ms
HTTPS
92ms
TLSA
105ms
SOA
0ms
MTA-STS
126ms
DNSSEC
310ms
SRV
133ms
Total
1089ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 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
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