jcab.dk

📜 Historical scan 2026-08-31 10:36:42  ·  ← 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   96ms

🌍 A Records#

2 records   135ms
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   93ms

🔷 AAAA Records (IPv6)#

2 records   124ms

🔐 HTTPS Records#

1 records   147ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.61.112,172.67.209.153 ech=AEX+DQBB2wAgACAEf45jgCuGQnz+9J5W2Bip0s4WUpjARwANfZzDySGrSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d199,2606:4700:3032::6815:3d70

📝 TXT Records#

1 records   507ms
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 a-AFb9TUC_M3FxmCmimZjh1DlLg50EcT-siCcCZoQVY
TXT _acme-challenge.jcab.dk BF_KxE1Qo8oexNeJaCW7XGGiTpZ4Bz-rLba-EpjFg00

🔗 TLSA / DANE#

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

🔐 DNSSEC#

340ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413613071
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 (1745d)

🔗 Same registrant#

24 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
96ms
A
135ms
MX
93ms
AAAA
124ms
TXT
507ms
CAA
94ms
HTTPS
147ms
TLSA
399ms
SOA
0ms
MTA-STS
202ms
DNSSEC
340ms
SRV
199ms
Total
4157ms

🕐 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 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 shown 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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