jumpbox.dk

📜 Historical scan 2026-10-07 18:09:56  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jumpbox.dk is a .dk domain served by 2 nameservers (iris.ns.cloudflare.com, phil.ns.cloudflare.com). It was registered on 4 November 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.6.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.forwardemail.net, mx2.forwardemail.net. 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   38ms

🌍 A Records#

2 records   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.6.42 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.154.230 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   30ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.forwardemail.net → 121.127.44.69
🔶 Autoconfigautoconfig.forwardemail.net → 121.127.44.69

🔷 AAAA Records (IPv6)#

2 records   44ms

🔐 HTTPS Records#

1 records   37ms
PriorityTargetSvcParams
1 service . alpn="h2" ipv4hint=104.21.6.42,172.67.154.230 ech=AEX+DQBB3QAgACAFEOoyfpwDTL+aJF1GKUFS6cbVFlQAtUoaR3TJ4tm+IAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9ae6,2606:4700:3037::6815:62a

📝 TXT Records#

3 records   198ms
TXT Record
forward-email-site-verification=w6VgluP2Sh
google-site-verification=LXRM5DadXpqALUicFGMGTfzIUzlx5f8nXVI495M12Ec
v=spf1 a include:spf.forwardemail.net include:spf.protection.outlook.com ~all

✉️ SPF#

PolicyRecord (jumpbox.dk)
~all (soft fail) v=spf1 a include:spf.forwardemail.net include:spf.protection.outlook.com ~all

📨 DMARC#

PolicyRecord (_dmarc.jumpbox.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc-6606637b16b8ee64589dbb03@forwardemail.net;

📬 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 2026-10-12 19:33:59

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   78ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.forwardemail.net DANE-EE · SPKI · SHA-256 321F694EAD3A2E733D857FD7E79D811F…
SMTP _25._tcp.mx1.forwardemail.net DANE-EE · SPKI · SHA-256 5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx2.forwardemail.net DANE-EE · SPKI · SHA-256 5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx2.forwardemail.net DANE-EE · SPKI · SHA-256 321F694EAD3A2E733D857FD7E79D811F…

🔐 DNSSEC#

72ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

34ms
FieldValue
Serial2416481851
Primary NS (MNAME)iris.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-09 04:44:48
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2018-11-04
Expires2026-11-30 (42d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
40ms
MX
30ms
AAAA
44ms
TXT
198ms
CAA
35ms
HTTPS
37ms
TLSA
78ms
SOA
34ms
MTA-STS
51ms
DNSSEC
72ms
SRV
60ms
Total
644ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 19:33:59 1704ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-10 14:26:30 1861ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-09 12:40:19 2474ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-07 18:09:56 shown 644ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-03 09:23:42 912ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-30 09:04:50 739ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-25 17:43:06 1261ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-21 03:36:30 1397ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-14 02:45:20 2134ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-09 05:26:44 3059ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-05 08:43:12 1299ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-27 05:38:05 1163ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-15 02:39:04 1391ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-11 09:46:45 1472ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-06 22:23:00 1594ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-16 11:33:51 9611ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-06 10:58:13 7002ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-20 00:33:00 656ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 11:57:18 1350ms 2 NS 2 A 2 MX 🔓 Insecure
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