demux.dk

📜 Historical scan 2026-08-06 07:34:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

demux.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.15.103.86 is hosted by Scaleway SAS (AS12876) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no 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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.15.103.86	43200s	86-103-15-51.instances.scw.cloud	AS12876	Scaleway SAS	51.15.0.0/16	🇳🇱 The Netherlands	Haarlem

📧 MX Records#

7 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a 74.125.205.27	lu-in-f26.1e100.net lu-in-x1a.1e100.net le-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	51.15.103.86
🔶 Autoconfig	51.15.103.86

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

9 records 209ms

TXT Record
google-site-verification=0ASKqxERhz1gV7mfQ-V2FIaYaEkaWlrmEutTVWvU3lI
google-site-verification=1kAK3Y7Ohe-q9M1Tf7jv0mL_FwH-2PMxVfYCCchr7JE
google-site-verification=2PuL9H5IN9o6G-r-RmlWe-_8lXdPVtIc7e-QRrK4tyQ
google-site-verification=8mo7qx68hNQMdztcrxWOGCZB4gyobj1FkOeHxz7thJU
google-site-verification=bfHgn_J3WI3x4SJQwuG454DAEQqxTBTZKPHzbjgzjKk
google-site-verification=EAzL8xTTERFtHjaGQ9CXiAcUH-HS3YtqrcQqf563K7Q
google-site-verification=FhC2Og9HyZKu-ftT9XEICApL1Ajd4_CRrkMOijZFY4M
google-site-verification=Q67VYzV_PfBQdAQMrUbfdVA0MENFbRtRQhIc0k_c37M
google-site-verification=v4wSc6y-M5_RZy8AVAG8UxlD9AduWyegFwBEuUwYmVQ

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 02:14:33

www	51.15.103.86 (AS12876) (address records, no CNAME)
www vs bare domain	Same network demux.dk: 51.15.103.86 (AS12876) www.demux.dk: 51.15.103.86 (AS12876)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

95ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

64ms

Field	Value
Serial	2026071701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 15:43:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-10-18
Expires	2026-10-31 (12d)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

44ms

41ms

AAAA

70ms

TXT

209ms

CAA

51ms

HTTPS

45ms

TLSA

406ms

SOA

64ms

MTA-STS

84ms

DNSSEC

95ms

SRV

80ms

Total

5914ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 02:14:33	608ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-30 07:59:37	804ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-11 09:48:34	1031ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-01 12:14:34	982ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-27 22:06:32	941ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-12 22:05:34	1823ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-06 07:34:52 shown	5914ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-17 16:34:36	1426ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-15 11:07:46	1677ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-24 20:30:29	938ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-17 01:46:26	1045ms	2 NS 1 A 7 MX	🔒 Secure