tmux.dk

📜 Historical scan 2026-07-03 15:02:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tmux.dk is a .dk domain served by 2 nameservers (algin.ns.cloudflare.com, braelyn.ns.cloudflare.com). It was registered on 5 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.70 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mxa.eu.mailgun.org, mxb.eu.mailgun.org. 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 280ms

Nameserver	IP addresses	PTR	ASN / ISP
algin.ns.cloudflare.com	108.162.193.61 172.64.33.61 173.245.59.61 2606:4700:58::adf5:3b3d 2803:f800:50::6ca2:c13d 2a06:98c1:50::ac40:213d	algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
braelyn.ns.cloudflare.com	108.162.194.97 162.159.38.97 172.64.34.97 2606:4700:50::a29f:2661 2803:f800:50::6ca2:c261 2a06:98c1:50::ac40:2261	braelyn.ns.cloudflare.com braelyn.ns.cloudflare.com braelyn.ns.cloudflare.com braelyn.ns.cloudflare.com braelyn.ns.cloudflare.com braelyn.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 278ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.70	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.211.95	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 330ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mxa.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC
10	300s	mxb.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.91.70
🔶 Autoconfig	172.67.211.95

🔷 AAAA Records (IPv6)#

2 records 324ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5b46	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:d35f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 368ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.70,172.67.211.95 ech=AEX+DQBBgQAgACA53GicG2268jsdB19moCoS/Q/hw3m+p2EGbLePDHy5CwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b46,2606:4700:3034::ac43:d35f

📝 TXT Records#

1 records 1081ms

TXT Record
v=spf1 include:mailgun.org ~all

✉️ SPF#

Policy	Record (tmux.dk)
~all (soft fail)	v=spf1 include:mailgun.org ~all

📨 DMARC#

Policy	Record (_dmarc.tmux.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:f0ee101d@dmarc.mailgun.org,mailto:4c6807c3@inbox.ondmarc.com; ruf=mailto:f0ee101d@dmarc.mailgun.org,mailto:4c6807c3@inbox.ondmarc.com;

📬 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 13:40:26

www	NXDOMAIN
www vs bare domain	Neither resolves tmux.dk: no address www.tmux.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

732ms

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	2408465282
Primary NS (MNAME)	algin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-07-03 15:06:06

Field	Value
Registrar	ONE.COM A/S
Registered	2026-03-05
Expires	2027-03-04 (130d)

📋 WHOIS#

⏱️ Lookup Timing#

280ms

278ms

330ms

AAAA

324ms

TXT

1081ms

CAA

267ms

HTTPS

368ms

TLSA

487ms

SOA

0ms

MTA-STS

582ms

DNSSEC

732ms

SRV

511ms

Total

11579ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-15 23:25:53	1545ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-31 09:47:55	2064ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-29 16:51:58	1112ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-18 18:41:19	2400ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-06 19:37:31	1466ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-17 05:13:24	1000ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-03 15:02:37 shown	11579ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-28 21:00:05	1101ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-26 10:10:37	1922ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-24 16:49:20	1396ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-23 04:45:07	1207ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 12:20:39	1045ms	2 NS 2 A 2 MX	🔓 Insecure