j-frost.dk

Records from scan: 2026-10-15 10:43:06 · 3049ms total · last checked 2026-10-18 14:15 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

j-frost.dk is a .dk domain served by 2 nameservers (angelina.ns.cloudflare.com, ryan.ns.cloudflare.com). It was registered on 10 October 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.53.148 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 89ms

Nameserver	IP addresses	PTR	ASN / ISP
angelina.ns.cloudflare.com	108.162.194.232 162.159.38.232 172.64.34.232 2606:4700:50::a29f:26e8 2803:f800:50::6ca2:c2e8 2a06:98c1:50::ac40:22e8	angelina.ns.cloudflare.com angelina.ns.cloudflare.com angelina.ns.cloudflare.com angelina.ns.cloudflare.com angelina.ns.cloudflare.com angelina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryan.ns.cloudflare.com	108.162.195.229 162.159.44.229 172.64.35.229 2606:4700:58::a29f:2ce5 2803:f800:50::6ca2:c3e5 2a06:98c1:50::ac40:23e5	ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 79ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.53.148	300s	5.186.53.148.static.fibianet.dk	AS44869	FIBIA P/S	5.186.0.0/16	🇩🇰 Denmark	Egå

📧 MX Records#

2 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 360ms

TXT Record
ca3-10ec66e677394f99af0b71e4ffb62365
protonmail-verification=68106af6fb633e4f498f84662b84767859b4bdd6
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (j-frost.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.j-frost.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-15 10:43:06

www	5.186.53.148 (AS44869) (address records, no CNAME)
www vs bare domain	Same network j-frost.dk: 5.186.53.148 (AS44869) www.j-frost.dk: 5.186.53.148 (AS44869)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.j-frost.dk	Hfrh6yond7cR9F9wylSLDlWc0mt6BAEytT7SsCGcnVs
TXT	_acme-challenge.j-frost.dk	QofP4gyDfnmd49CeoESKjV_89Q_WckZyrStUiUf6hoQ

🔗 TLSA / DANE#

4 records 237ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

264ms

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

🏷️ SOA#

79ms

Field	Value
Serial	2417518601
Primary NS (MNAME)	angelina.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-02 14:26:25

Field	Value
Registrar	Domænehajen ApS
Registered	2013-10-10
Expires	2026-10-31 (12d)

📋 WHOIS#

⏱️ Lookup Timing#

89ms

79ms

111ms

AAAA

95ms

TXT

360ms

CAA

74ms

HTTPS

103ms

TLSA

237ms

SOA

79ms

MTA-STS

163ms

DNSSEC

264ms

SRV

137ms

Total

3049ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 10:43:06 shown	3049ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-13 06:21:57	1294ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-08 03:54:38	536ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-05 14:15:27	720ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-03 14:08:49	587ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-02 14:07:35	1711ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-30 13:44:02	496ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-28 02:40:00	1444ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-27 02:15:58	2137ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-26 01:59:07	720ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-25 01:42:49	1340ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-22 10:24:18	810ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-19 23:30:04	1482ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-10 18:12:42	2071ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-03 16:10:32	678ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-22 05:11:04	2129ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-17 22:42:52	1803ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-14 08:20:33	3231ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-05 12:24:05	1329ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-27 01:00:19	18288ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-05 20:13:13	1843ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-01 10:19:48	981ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-28 07:39:52	806ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-21 05:33:57	524ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-20 15:33:26	2216ms	2 NS 1 A 2 MX	🔓 Insecure