c0b.dk
Last scanned: 2026-08-23 12:50:52  ·  1201ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
🌍 A Records2 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.76.248 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.202.129 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   45ms
🔐 HTTPS Records1 records   33ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.76.248,172.67.202.129 ech=AEX+DQBBsgAgACA4kT9phvhO0Tf4ka/G4zE53oCVF+x/10uEakLDncCTCgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4cf8,2606:4700:3034::ac43:ca81
📝 TXT Records1 records   210ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (c0b.dk)
-all (hard fail) v=spf1 -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
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC75ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2412889459
Primary NS (MNAME)imani.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
41ms
A
46ms
MX
34ms
AAAA
45ms
TXT
210ms
CAA
58ms
HTTPS
33ms
TLSA
379ms
SOA
0ms
MTA-STS
75ms
DNSSEC
75ms
SRV
75ms
Total
1201ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-23 12:50:52 1201ms 2 NS 2 A 0 MX 🔒 Secure View
2026-08-11 19:45:36 8777ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-30 00:28:10 858ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-17 20:46:34 1855ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-14 07:18:58 8702ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-06 09:09:06 868ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-26 01:56:45 958ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-25 19:38:19 942ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-20 17:31:58 1025ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-16 18:45:41 321ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-16 18:40:50 507ms 2 NS 2 A 0 MX 🔒 Secure View
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