r3f.dk
Last scanned: 2026-08-27 21:28:59  ·  2006ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   44ms
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 Records1 records   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.63.117.184 600s ravne.land AS3292 TDC Holding A/S 87.62.0.0/15 🇩🇰 Denmark Hørsholm
📧 MX Records1 records   39ms
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 Records1 records   153ms
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 Records3 records   40ms
FlagsTagValue
128 iodef mailto:hostmaster@r3f.dk
128 issue letsencrypt.org
128 issuewild ;
🔗 TLSA / DANE1 records   1234ms
Service / OwnerTypeCert association
SMTP _25._tcp.post.ravne.land DANE-EE · SPKI · SHA-256 2327BA3121DF252115DF6DE75749989A…
🔐 DNSSEC113ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082700
Primary NS (MNAME)ns1.he.net
Responsible (RNAME)hostmaster@r3f.dk
Refresh14400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
44ms
A
38ms
MX
39ms
AAAA
34ms
TXT
153ms
CAA
40ms
HTTPS
44ms
TLSA
1234ms
SOA
0ms
MTA-STS
59ms
DNSSEC
113ms
SRV
52ms
Total
2006ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 21:28:59 2006ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-26 21:06:48 1101ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-24 17:34:26 1185ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-23 17:14:36 1600ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-21 15:26:45 1370ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-20 15:21:45 2082ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-19 04:54:24 11828ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-18 02:28:03 1890ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-16 03:57:19 1555ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-14 21:47:35 1569ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-13 04:37:52 1842ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-11 23:37:18 6403ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-09 18:55:38 4461ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-08 13:10:07 1289ms 5 NS 1 A 1 MX 🔒 Secure View
2026-07-28 22:12:14 2937ms 5 NS 1 A 1 MX 🔒 Secure View
2026-07-27 17:24:25 10121ms 5 NS 1 A 1 MX 🔒 Secure View
2026-07-25 16:17:56 9878ms 5 NS 1 A 1 MX 🔒 Secure View
2026-07-24 16:10:28 1393ms 5 NS 1 A 1 MX 🔒 Secure View
2026-07-22 09:15:33 10329ms 5 NS 1 A 1 MX 🔒 Secure View
2026-07-21 00:39:31 1290ms 5 NS 1 A 1 MX 🔒 Secure View
2026-07-19 23:38:29 3145ms 5 NS 1 A 1 MX 🔒 Secure View
2026-07-18 18:16:07 3514ms 5 NS 1 A 1 MX 🔒 Secure View
2026-07-17 06:32:09 1454ms 5 NS 1 A 1 MX 🔒 Secure View
2026-07-14 05:37:47 1513ms 5 NS 1 A 1 MX 🔒 Secure View
2026-07-12 11:35:04 1187ms 5 NS 1 A 1 MX 🔒 Secure View
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