r3f.dk

📜 Historical scan 2026-09-26 13:05:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

r3f.dk is a .dk domain served by 5 nameservers (ns1.he.net, ns2.he.net, ns3.he.net and 2 more). It was registered on 12 August 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.63.117.184 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by post.ravne.land. The zone is DNSSEC-signed and validates, has no 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#

5 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.he.net	2001:470:100::2 216.218.130.2	ns1.he.net ns1.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns2.he.net	2001:470:200::2 216.218.131.2	ns2.he.net ns2.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns3.he.net	2001:470:300::2 216.218.132.2	ns3.he.net ns3.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns4.he.net	2001:470:400::2 216.66.1.2	ns4.he.net ns4.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns5.he.net	2001:470:500::2 216.66.80.18	ns5.he.net ns5.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC

🌍 A Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.63.117.184	600s	ravne.land	AS3292	TDC Holding A/S	87.62.0.0/15	🇩🇰 Denmark	Hørsholm

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	post.ravne.land	2a01:4f8:c0c:ef16:: 5.75.181.31	post.ravne.land post.ravne.land	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 171ms

TXT Record
v=spf1 a mx ip4:95.216.174.21 include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (r3f.dk)
-all (hard fail)	v=spf1 a mx ip4:95.216.174.21 include:web.shared.mysmtp.com -all

📨 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#

3 records 50ms

Flags	Tag	Value
128	iodef	mailto:hostmaster@r3f.dk
128	issue	letsencrypt.org
128	issuewild	;

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-18 19:30:01

www CNAME	r3f.dk (all on r3f.dk) → 87.63.117.184 (AS3292)
www vs bare domain	Same network r3f.dk: 87.63.117.184 (AS3292) www.r3f.dk: 87.63.117.184 (AS3292)
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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records 910ms

Service / Owner	Type	Cert association
SMTP _25._tcp.post.ravne.land	DANE-EE · SPKI · SHA-256	2327BA3121DF252115DF6DE75749989A…

🔐 DNSSEC#

115ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092600
Primary NS (MNAME)	ns1.he.net
Responsible (RNAME)	hostmaster@r3f.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-18 19:47:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-08-12
Expires	2027-08-31 (316d)

🔗 Same registrant#

7 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).

Domain	Registrar
fjerhammer.dk	Punktum dk A/S (direct)
floof.dk	Punktum dk A/S (direct)
hodi.dk	Punktum dk A/S (direct)
ravneland.dk	Punktum dk A/S (direct)
rungstedhave.dk	Punktum dk A/S (direct)
skjødt.dk	Punktum dk A/S (direct)
usleravnekrog.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

47ms

41ms

AAAA

50ms

TXT

171ms

CAA

50ms

HTTPS

43ms

TLSA

910ms

SOA

0ms

MTA-STS

66ms

DNSSEC

115ms

SRV

62ms

Total

1926ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 19:30:00	1480ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-17 19:06:56	1818ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-15 16:20:20	3383ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-14 15:21:40	2687ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-13 13:39:03	2995ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-12 02:01:24	3753ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-10 23:54:32	1695ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-09 08:31:50	2046ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-07 08:28:00	1030ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-05 22:48:08	871ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-03 22:42:47	2287ms	5 NS 1 A 1 MX	🔒 Secure
2026-10-02 22:41:28	4085ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-30 22:31:08	2940ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-29 22:26:09	1031ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-29 14:00:05	3741ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-27 13:25:35	1097ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-26 13:05:26 shown	1926ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-25 12:54:54	2028ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-24 15:01:43	1877ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-23 14:38:25	1000ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-17 21:17:21	2979ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-16 13:06:53	1405ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-14 18:04:28	1381ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-09 21:50:50	3183ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-05 05:31:43	2897ms	5 NS 1 A 1 MX	🔒 Secure