pfrost.dk

📜 Historical scan 2026-09-08 04:37:16  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

pfrost.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.77 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a 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   107ms
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   123ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.111.241.77 3600s webcluster1.wordpresspod2-cph3.one.com AS51468 One.com A/S 77.111.240.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   98ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod11-cph3.one.com 104.37.34.230 mx1.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod11-cph3.one.com 104.37.34.231 mx2.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod11-cph3.one.com 104.37.34.232 mx3.pub.mailpod11-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod11-cph3.one.com 104.37.34.233 mx4.pub.mailpod11-cph3.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records   132ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:104:69:bd0c:ed03:c365 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   249ms
TXT Record
v=spf1 a:include:_custspf.one.com -all
v=spf1 include:_spf.one.com _custspf.one.com include:servers.mcsv.net ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (pfrost.dk)
-all (hard fail) v=spf1 a:include:_custspf.one.com -all
~all (soft fail) v=spf1 include:_spf.one.com _custspf.one.com include:servers.mcsv.net ~all

📨 DMARC#

PolicyRecord (_dmarc.pfrost.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:reg@pfrost.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 20:04:52
www77.111.241.77 2a02:2350:5:104:69:bd0c:ed03:c365 (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   1356ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com DANE-EE · SPKI · SHA-256 24F573980561755185B794745411B05D…

🔐 DNSSEC#

169ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026090701
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-07 20:21:35
FieldValue
RegistrarONE.COM A/S
Registered2017-09-22
Expires2027-09-30 (347d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
107ms
A
123ms
MX
98ms
AAAA
132ms
TXT
249ms
CAA
107ms
HTTPS
127ms
TLSA
1356ms
SOA
0ms
MTA-STS
119ms
DNSSEC
169ms
SRV
133ms
Total
2201ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 20:04:52 755ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-08 04:37:16 shown 2201ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-31 00:42:33 759ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-29 18:36:32 571ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-28 08:35:32 889ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-13 19:32:10 1189ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-05 05:39:57 2753ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-01 05:59:33 747ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 14:38:39 1529ms 2 NS 1 A 4 MX 🔒 Secure
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