jcb.dk

📜 Historical scan 2026-09-20 05:10:42  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jcb.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 21 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 168.119.39.216 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by jcb-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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   42ms

🌍 A Records#

1 records   30ms

📧 MX Records#

1 records   44ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   110ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 email.asp1.keyloop.io

📝 TXT Records#

6 records   127ms
TXT Record
google-site-verification=8kB320NcaLptcbG62qLegHTy2vCdOn5rURvGGf63sPY
knowbe4-site-verification=3643b370a344eb3796ed744ea071bca1
mandrill_verify.iBAn9w0UdCI62eksFPEMhQ
MS=ms72689446
v=msv1 t=DB06FD85-AC16-4255-A793-FF6FA1CEDCD9
v=spf1 include:_spf.mlsend.com ip4:168.119.39.216 ip4:167.235.35.199 ip4:80.160.183.34 include:spf.simply.com include:spf.protection.outlook.com include:spf.eu.signature365.net -all

✉️ SPF#

PolicyRecord (jcb.dk)
-all (hard fail) v=spf1 include:_spf.mlsend.com ip4:168.119.39.216 ip4:167.235.35.199 ip4:80.160.183.34 include:spf.simply.com include:spf.protection.outlook.com include:spf.eu.signature365.net -all

📨 DMARC#

PolicyRecord (_dmarc.jcb.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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 2026-10-11 17:20:16
www168.119.39.216 (AS24940) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
selector1 selector1-jcb-dk._domainkey.jcbreesink.onmicrosoft.com RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

66ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026081903
Primary NS (MNAME)ns.scannet2.dk
Responsible (RNAME)hostmaster@scannet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-17 11:05:50
FieldValue
RegistrarA/S SCANNET
Registered1998-11-21
Expires2026-12-31 (74d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
42ms
A
30ms
MX
44ms
AAAA
43ms
TXT
127ms
CAA
35ms
HTTPS
35ms
TLSA
392ms
SOA
0ms
MTA-STS
49ms
DNSSEC
66ms
SRV
110ms
Total
889ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-24 00:43:08 880ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-20 05:10:42 shown 889ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-20 03:20:35 5481ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 15:13:27 965ms 2 NS 1 A 1 MX 🔒 Secure
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