jcab.dk

📜 Historical scan 2026-09-23 14:08:56  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jcab.dk is a .dk domain served by 2 nameservers (simone.ns.cloudflare.com, skip.ns.cloudflare.com). It was registered on 17 December 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.61.112 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, publishes a 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   36ms

🌍 A Records#

2 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.61.112 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.209.153 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

3 records   55ms

🔷 AAAA Records (IPv6)#

2 records   44ms

🔐 HTTPS Records#

1 records   33ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.61.112,172.67.209.153 ech=AEX+DQBBxQAgACDrycxHIbtbRFPj3PVyptXjvVD5nJu6aN8PBZoDNdNbWQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d199,2606:4700:3032::6815:3d70

📝 TXT Records#

1 records   267ms
TXT Record
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF#

PolicyRecord (jcab.dk)
-all (hard fail) v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC#

PolicyRecord (_dmarc.jcab.dk)
p=quarantine v=DMARC1; p=quarantine; sp=reject; aspf=s

📬 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 03:22:18
www104.21.61.112 172.67.209.153 2606:4700:3031::ac43:d199 2606:4700:3032::6815:3d70 (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: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.jcab.dk GF-jjD3MhGtDJkn3N8NdmxKu9Junyeq6gMNBkkZsI1g
TXT _acme-challenge.jcab.dk ulg-jq1y3xSLTEOQsKGYWbZ11jUeI023NwMzUF_qt8I

🔗 TLSA / DANE#

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

🔐 DNSSEC#

73ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415582978
Primary NS (MNAME)simone.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 18:36:26
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2004-12-17
Expires2031-07-31 (1746d)

🔗 Same registrant#

22 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
39ms
MX
55ms
AAAA
44ms
TXT
267ms
CAA
40ms
HTTPS
33ms
TLSA
67ms
SOA
0ms
MTA-STS
99ms
DNSSEC
73ms
SRV
101ms
Total
763ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-10 03:22:17 4280ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-29 15:53:52 1358ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-26 15:22:16 1282ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-24 15:01:17 702ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-23 14:08:56 shown 763ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-20 00:38:21 3030ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-15 15:31:50 1067ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-13 19:30:55 1872ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-06 17:38:35 617ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-31 10:36:42 4157ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-23 10:12:18 3333ms 2 NS 2 A 3 MX 🔓 Insecure
2026-08-08 12:24:14 1731ms 2 NS 2 A 3 MX 🔓 Insecure
2026-07-06 06:26:08 1374ms 2 NS 2 A 3 MX 🔓 Insecure
2026-07-04 22:32:34 1276ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-25 12:25:45 1651ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-23 03:57:38 887ms 2 NS 2 A 3 MX 🔓 Insecure
2026-06-17 20:26:18 1155ms 2 NS 2 A 3 MX 🔓 Insecure
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