r3f.dk

Records from scan: 2026-10-20 22:05:44  ·  1301ms total
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

5 records   55ms
NameserverIP addressesPTRASN / 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   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.63.117.184 600s ravne.land AS3292 TDC Holding A/S 87.62.0.0/15 🇩🇰 Denmark Nivå

📧 MX Records#

1 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
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   164ms
TXT Record
v=spf1 a mx ip4:95.216.174.21 include:web.shared.mysmtp.com -all

✉️ SPF#

PolicyRecord (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   44ms
FlagsTagValue
128 iodef mailto:hostmaster@r3f.dk
128 issue letsencrypt.org
128 issuewild ;

🧩 Web & zone#

checked 2026-10-20 22:05:44
www CNAMEr3f.dk (all on r3f.dk)
www vs bare domainSame network
r3f.dk: 87.63.117.184 (AS3292)
www.r3f.dk: 87.63.117.184 (AS3292)
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records   552ms
Service / OwnerTypeCert association
SMTP _25._tcp.post.ravne.land DANE-EE · SPKI · SHA-256 2327BA3121DF252115DF6DE75749989A…

🔐 DNSSEC#

109ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

42ms
FieldValue
Serial2026102000
Primary NS (MNAME)ns1.he.net
Responsible (RNAME)hostmaster@r3f.dk
Refresh14400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-18 19:47:50
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2015-08-12
Expires2027-08-31 (314d)

🔗 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).

DomainRegistrar
fjerhammer.dkPunktum dk A/S (direct)
floof.dkPunktum dk A/S (direct)
hodi.dkPunktum dk A/S (direct)
ravneland.dkPunktum dk A/S (direct)
rungstedhave.dkPunktum dk A/S (direct)
skjødt.dkPunktum dk A/S (direct)
usleravnekrog.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
55ms
A
39ms
MX
45ms
AAAA
40ms
TXT
164ms
CAA
44ms
HTTPS
49ms
TLSA
552ms
SOA
42ms
MTA-STS
60ms
DNSSEC
109ms
SRV
60ms
Total
1301ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-20 22:05:44 shown 1301ms 5 NS 1 A 1 MX 🔒 Secure
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 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
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