sentinel-media.dk

📜 Historical scan 2026-09-27 08:46:45 · ← 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 41ms

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 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.69.133	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.185	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	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	300s	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 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:d0b9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:4585	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.69.133,172.67.208.185 ech=AEX+DQBBBAAgACD75WZog6lm1LyIkEeBN8bxpn0B7thNjJCksJ3qjXbmaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:d0b9,2606:4700:3036::6815:4585

📝 TXT Records#

2 records 202ms

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 111ms

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#

2068ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415444297
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 (339d)

🔗 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#

41ms

54ms

39ms

AAAA

37ms

TXT

202ms

CAA

44ms

HTTPS

47ms

TLSA

111ms

SOA

0ms

MTA-STS

61ms

DNSSEC

2068ms

SRV

67ms

Total

2581ms

🕐 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 shown	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	1053ms	2 NS 2 A 2 MX	🔓 Insecure