pfrost.dk

Records from scan: 2026-10-07 20:04:52 · 755ms total · last checked 2026-10-17 09:09 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 38ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 146ms

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)

Policy	Record (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#

Policy	Record (_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#

checked 2026-10-07 20:04:52

www	77.111.241.77 2a02:2350:5:104:69:bd0c:ed03:c365 (AS51468) (address records, no CNAME)
www vs bare domain	Same network pfrost.dk: 77.111.241.77 2a02:2350:5:104:69:bd0c:ed03:c365 (AS51468) www.pfrost.dk: 77.111.241.77 2a02:2350:5:104:69:bd0c:ed03:c365 (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 75ms

Service / Owner	Type	Cert 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#

103ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2026100701
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 2026-10-07 20:21:35

Field	Value
Registrar	ONE.COM A/S
Registered	2017-09-22
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

35ms

28ms

AAAA

38ms

TXT

146ms

CAA

29ms

HTTPS

32ms

TLSA

75ms

SOA

27ms

MTA-STS

50ms

DNSSEC

103ms

SRV

45ms

Total

755ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 20:04:52 shown	755ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-08 04:37:16	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