knockdown.dk
Last scanned: 2026-09-04 08:50:23  ·  442ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   30ms
NameserverIP addressesPTRASN / ISP
ns4.hostonline.dk 217.195.185.243
2a02:188:6004:14::10		 ns4.hostonline.dk
ns4.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S
ns5.hostonline.dk 217.195.185.244
2a02:188:6004:14::11		 ns5.hostonline.dk
ns5.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S
ns6.hostonline.dk 85.191.126.85 ns6.hostonline.dk AS204274 AURA Fiber A/S
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   169ms
TXT Record
v=spf1 include:_spf.hostonline.dk -all
✉️ SPF
PolicyRecord (knockdown.dk)
-all (hard fail) v=spf1 include:_spf.hostonline.dk -all
📨 DMARC
PolicyRecord (_dmarc.knockdown.dk)
p=reject v=DMARC1; p=reject; aspf=r;
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC96ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026083102
Primary NS (MNAME)ns4.hostonline.dk
Responsible (RNAME)hostmaster@hostonline.dk
Refresh900s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
30ms
A
29ms
MX
27ms
AAAA
27ms
TXT
169ms
CAA
30ms
HTTPS
28ms
TLSA
18ms
SOA
0ms
MTA-STS
35ms
DNSSEC
96ms
SRV
55ms
Total
442ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 08:50:23 442ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-26 17:16:45 556ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-21 21:49:46 3293ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-16 22:07:13 727ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-12 06:24:18 797ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-09 13:33:11 3421ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-06 02:52:43 630ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-27 19:53:04 589ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-22 15:30:53 776ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-17 13:24:47 660ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-15 06:07:54 815ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-09 03:43:23 935ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-03 11:30:19 565ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-30 10:15:54 423ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-23 03:50:58 1046ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-17 13:20:48 687ms 3 NS 0 A 0 MX 🔒 Secure View
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