jfrost.dk

📜 Historical scan 2026-06-21 04:21:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jfrost.dk is a .dk domain served by 2 nameservers (hank.ns.cloudflare.com, simone.ns.cloudflare.com). It was registered on 21 November 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.67.245 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is not DNSSEC-signed, 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 195ms

Nameserver	IP addresses	PTR	ASN / ISP
hank.ns.cloudflare.com	108.162.193.116 172.64.33.116 173.245.59.116 2606:4700:58::adf5:3b74 2803:f800:50::6ca2:c174 2a06:98c1:50::ac40:2174	hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
simone.ns.cloudflare.com	108.162.194.26 162.159.38.26 172.64.34.26 2606:4700:50::a29f:261a 2803:f800:50::6ca2:c21a 2a06:98c1:50::ac40:221a	simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 192ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.67.245	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.183.46	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 191ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 182ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:43f5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:b72e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 195ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.67.245,172.67.183.46 ech=AEX+DQBBwwAgACB0sUtEedfCu0o67EMIFJZgEknwVE6/Vpm5YrKuzVkNJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:43f5,2606:4700:3036::ac43:b72e

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 13:27:07

www	NXDOMAIN
www vs bare domain	www does not resolve jfrost.dk: 104.21.67.245 172.67.183.46 2606:4700:3032::6815:43f5 2606:4700:3034::ac43:b72e (AS13335) www.jfrost.dk: no address (all like this)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.jfrost.dk	PwolfIsAZ68qGGiimf9ESPI8BivtuULVnRIww9ZTMa0
TXT	_acme-challenge.jfrost.dk	mpsjkfsfHeMsq6tkPES8LnAtQfXKuUjb5kddkP7Fkmw

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

243ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

180ms

Field	Value
Serial	2407461573
Primary NS (MNAME)	hank.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 12:31:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-11-21
Expires	2026-11-20 (34d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
homefrost.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

195ms

192ms

191ms

AAAA

182ms

TXT

189ms

CAA

190ms

HTTPS

195ms

TLSA

202ms

SOA

180ms

MTA-STS

189ms

DNSSEC

243ms

SRV

197ms

Total

1119ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 13:27:07	1392ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-15 13:19:59	2856ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-14 11:59:17	511ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-28 11:45:37	919ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-26 11:12:08	849ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-25 11:00:20	966ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-24 10:50:06	823ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-23 10:40:53	848ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-17 10:59:36	1439ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-12 15:56:28	882ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-05 19:40:15	851ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-02 21:08:01	935ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-28 04:18:02	1110ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-19 04:11:55	5164ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-16 03:19:51	1291ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-25 01:08:20	843ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-21 04:21:55 shown	1119ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-20 23:30:38	1188ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 13:49:51	1084ms	2 NS 2 A 4 MX	⚠️ Bogus
2026-06-18 01:40:05	12165ms	2 NS 2 A 4 MX	🔓 Insecure