jumpbox.dk

📜 Historical scan 2026-07-16 11:33:51 · ← 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
iris.ns.cloudflare.com	108.162.192.118 172.64.32.118 173.245.58.118 2606:4700:50::adf5:3a76 2803:f800:50::6ca2:c076 2a06:98c1:50::ac40:2076	iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
phil.ns.cloudflare.com	108.162.193.137 172.64.33.137 173.245.59.137 2606:4700:58::adf5:3b89 2803:f800:50::6ca2:c189 2a06:98c1:50::ac40:2189	phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.forwardemail.net	121.127.44.56 138.197.213.185 2604:a880:2:d0::306:1 2a02:6ea0:d71e::2	mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net	AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC AS60068 Datacamp Limited
10	3600s	mx2.forwardemail.net	104.248.224.170 121.127.44.59 2604:a880:400:d1::cd:9001 2a02:6ea0:d71e::1	mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net	AS14061 DigitalOcean, LLC AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS60068 Datacamp Limited

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.forwardemail.net → 121.127.44.69
🔶 Autoconfig	autoconfig.forwardemail.net → 121.127.44.69

🔷 AAAA Records (IPv6)#

2 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:9ae6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:62a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.21.6.42,172.67.154.230 ech=AEX+DQBB6AAgACDZVYfc9zQZuV72h1tTN04KSQCfoX52PkswEXZtXsk1CQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9ae6,2606:4700:3037::6815:62a

📝 TXT Records#

3 records 230ms

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#

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

📨 DMARC#

Policy	Record (_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

www	104.21.6.42 172.67.154.230 2606:4700:3032::ac43:9ae6 2606:4700:3037::6815:62a (AS13335) (address records, no CNAME)
www vs bare domain	Same network jumpbox.dk: 104.21.6.42 172.67.154.230 2606:4700:3032::ac43:9ae6 2606:4700:3037::6815:62a (AS13335) www.jumpbox.dk: 104.21.6.42 172.67.154.230 2606:4700:3032::ac43:9ae6 2606:4700:3037::6815:62a (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 115ms

Service / Owner	Type	Cert 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#

134ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2409668491
Primary NS (MNAME)	iris.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 04:44:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-11-04
Expires	2026-11-30 (42d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

48ms

52ms

AAAA

44ms

TXT

230ms

CAA

51ms

HTTPS

47ms

TLSA

115ms

SOA

0ms

MTA-STS

77ms

DNSSEC

134ms

SRV

92ms

Total

9611ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	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