c0b.dk

📜 Historical scan 2026-06-16 18:45:41  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c0b.dk is a .dk domain served by 2 nameservers (imani.ns.cloudflare.com, neil.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.248 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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#

2 records   39ms
NameserverIP addressesPTRASN / ISP
imani.ns.cloudflare.com — — —
neil.ns.cloudflare.com — — —

🌍 A Records#

2 records   81ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.76.248 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.202.129 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   36ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::ac43:ca81 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::6815:4cf8 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   99ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.76.248,172.67.202.129 ech=AEX+DQBBiQAgACB6fwZmiM8HN6m0zArqRqb3a8Bz4w83oH5zMt0Ta81SRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ca81,2606:4700:3034::6815:4cf8

📝 TXT Records#

1 records   97ms
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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 04:37:31
www104.21.76.248 172.67.202.129 2606:4700:3033::6815:4cf8 2606:4700:3034::ac43:ca81 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

92ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

73ms
FieldValue
Serial2406761407
Primary NS (MNAME)imani.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
81ms
MX
35ms
AAAA
36ms
TXT
97ms
CAA
46ms
HTTPS
99ms
TLSA
54ms
SOA
73ms
MTA-STS
62ms
DNSSEC
92ms
SRV
0ms
Total
321ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-10 04:37:31 1795ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-30 20:20:06 592ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-26 11:03:56 557ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-17 19:35:42 949ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-14 18:18:18 1274ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-11 05:50:09 1681ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-23 12:50:52 1201ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-11 19:45:36 8777ms 2 NS 2 A 0 MX 🔒 Secure
2026-07-30 00:28:10 858ms 2 NS 2 A 0 MX 🔒 Secure
2026-07-17 20:46:34 1855ms 2 NS 2 A 0 MX 🔒 Secure
2026-07-14 07:18:58 8702ms 2 NS 2 A 0 MX 🔒 Secure
2026-07-06 09:09:06 868ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-26 01:56:45 958ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-25 19:38:19 942ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-20 17:31:58 1025ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-16 18:45:41 shown 321ms 2 NS 2 A 0 MX 🔒 Secure
2026-06-16 18:40:50 507ms 2 NS 2 A 0 MX 🔒 Secure
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