dfjk.dk

📜 Historical scan 2026-09-05 18:15:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dfjk.dk is a .dk domain served by 2 nameservers (diva.ns.cloudflare.com, plato.ns.cloudflare.com). It was registered on 31 October 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.dfjk.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
diva.ns.cloudflare.com	108.162.192.97 172.64.32.97 173.245.58.97 2606:4700:50::adf5:3a61 2803:f800:50::6ca2:c061 2a06:98c1:50::ac40:2061	diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
plato.ns.cloudflare.com	108.162.193.223 172.64.33.223 173.245.59.223 2606:4700:58::adf5:3bdf 2803:f800:50::6ca2:c1df 2a06:98c1:50::ac40:21df	plato.ns.cloudflare.com plato.ns.cloudflare.com plato.ns.cloudflare.com plato.ns.cloudflare.com plato.ns.cloudflare.com plato.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.dfjk.dk	143.58.209.241 2a01:4b00:ab42:1900:686f:7374:6e61:6d65	143.58.209.241.bcube.co.uk —	AS56478 Hyperoptic Ltd AS56478 Hyperoptic Ltd

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 71ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	1	993	mx.dfjk.dk

📝 TXT Records#

1 records 226ms

TXT Record
v=spf1 include:mx.dfjk.dk ?all

✉️ SPF#

Policy	Record (dfjk.dk)
?all (neutral)	v=spf1 include:mx.dfjk.dk ?all

📨 DMARC#

Policy	Record (_dmarc.dfjk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:d85162ecd9ad4c69b1fc67a7d08604ae@dmarc-reports.cloudflare.net

📬 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 2026-10-25 14:15:47

www	104.21.89.205 172.67.164.226 2606:4700:3031::ac43:a4e2 2606:4700:3037::6815:59cd (AS13335) (address records, no CNAME)
www vs bare domain	Only www resolves dfjk.dk: no address www.dfjk.dk: 104.21.89.205 172.67.164.226 2606:4700:3031::ac43:a4e2 2606:4700:3037::6815:59cd (AS13335) (all like this)
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: 1/10 · policy: ?all

error include:mx.dfjk.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2413345622
Primary NS (MNAME)	diva.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-25 14:44:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-10-31
Expires	2027-10-31 (369d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

37ms

50ms

40ms

AAAA

43ms

TXT

226ms

CAA

49ms

HTTPS

31ms

TLSA

85ms

SOA

0ms

MTA-STS

63ms

DNSSEC

87ms

SRV

71ms

Total

878ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 14:15:47	594ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-18 02:12:56	886ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-14 22:04:59	1836ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-03 05:23:37	641ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 00:15:25	692ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-23 23:15:08	801ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-12 10:56:09	1110ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-05 18:15:28 shown	878ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-28 13:35:08	2240ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-27 13:03:31	1017ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-25 06:01:19	984ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-22 18:29:25	1267ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-20 18:19:09	1219ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-09 01:48:53	1718ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-13 07:45:56	1131ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-10 19:00:17	1743ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-30 05:29:08	1758ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-27 12:55:59	1787ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-22 03:43:10	833ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-20 08:53:27	689ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 02:35:53	474ms	2 NS 0 A 1 MX	🔒 Secure