sentinel-media.dk

📜 Historical scan 2026-06-18 06:43:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sentinel-media.dk is a .dk domain served by 2 nameservers (april.ns.cloudflare.com, vin.ns.cloudflare.com). It was registered on 23 September 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.69.133 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
april.ns.cloudflare.com	108.162.192.66 172.64.32.66 173.245.58.66 2606:4700:50::adf5:3a42 2803:f800:50::6ca2:c042 2a06:98c1:50::ac40:2042	april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vin.ns.cloudflare.com	108.162.193.245 172.64.33.245 173.245.59.245 2606:4700:58::adf5:3bf5 2803:f800:50::6ca2:c1f5 2a06:98c1:50::ac40:21f5	vin.ns.cloudflare.com vin.ns.cloudflare.com vin.ns.cloudflare.com vin.ns.cloudflare.com vin.ns.cloudflare.com vin.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.69.133	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.185	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	—	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

2 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4585	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:d0b9	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.69.133,172.67.208.185 ech=AEX+DQBBvgAgACBJni85WGHe97uPSIHOOQhUxAzLI4MySMevNjtzivHyJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4585,2606:4700:3032::ac43:d0b9

📝 TXT Records#

2 records 167ms

TXT Record
protonmail-verification=371c2f3ba7ea9d393a51a0ed855c93ee2716d48a
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF#

Policy	Record (sentinel-media.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch mx ~all

📨 DMARC#

Policy	Record (_dmarc.sentinel-media.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-15 19:43:45

www	Exists, no address
www vs bare domain	www does not resolve sentinel-media.dk: 104.21.69.133 172.67.208.185 2606:4700:3034::ac43:d0b9 2606:4700:3036::6815:4585 (AS13335) www.sentinel-media.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 97ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

76ms

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

🏷️ SOA#

86ms

Field	Value
Serial	2407149884
Primary NS (MNAME)	april.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 19:09:51

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-09-23
Expires	2027-09-30 (337d)

🔗 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#

44ms

41ms

63ms

AAAA

56ms

TXT

167ms

CAA

42ms

HTTPS

40ms

TLSA

97ms

SOA

86ms

MTA-STS

44ms

DNSSEC

76ms

SRV

80ms

Total

1053ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 19:43:45	2584ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-14 18:56:47	1650ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-27 08:46:45	2581ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-23 12:06:51	782ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-17 20:06:42	2332ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-28 18:58:09	1998ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-26 16:37:33	877ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-25 19:19:56	718ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-15 13:49:19	1421ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-07 21:23:36	1436ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-19 03:04:08	10248ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-12 18:19:35	1445ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-28 12:14:37	969ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-18 06:43:09 shown	1053ms	2 NS 2 A 2 MX	🔓 Insecure