ostentv.dk

📜 Historical scan 2026-08-25 00:45:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ostentv.dk is a .dk domain served by 2 nameservers (lila.ns.cloudflare.com, mario.ns.cloudflare.com). It was registered on 25 October 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.57.21 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
lila.ns.cloudflare.com	108.162.192.186 172.64.32.186 173.245.58.186 2606:4700:50::adf5:3aba 2803:f800:50::6ca2:c0ba 2a06:98c1:50::ac40:20ba	lila.ns.cloudflare.com lila.ns.cloudflare.com lila.ns.cloudflare.com lila.ns.cloudflare.com lila.ns.cloudflare.com lila.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mario.ns.cloudflare.com	108.162.193.203 172.64.33.203 173.245.59.203 2606:4700:58::adf5:3bcb 2803:f800:50::6ca2:c1cb 2a06:98c1:50::ac40:21cb	mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.ns.cloudflare.com mario.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
104.21.57.21	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.158.80	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 43ms

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 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:3915	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:9e50	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.57.21,172.67.158.80 ech=AEX+DQBB1AAgACA29NmFevr2JsWFHfU0mhhObGrQHKGHYiXAwG8t5nUHdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:3915,2606:4700:3034::ac43:9e50

📝 TXT Records#

3 records 216ms

TXT Record
google-site-verification=g-4d2Y2-8j7EPSsjNrcoHkTVK53PsMG6GolKDKyv63w
protonmail-verification=489d7314b1075f72314fa9ef97494e375143eb9a
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (ostentv.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.ostentv.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 2026-10-16 13:38:57

www CNAME	1fe76b1e-520a-4438-86f6-3055a0076479.cfargotunnel.com (all on cfargotunnel.com) → fd10:aec2:5dae::
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ostentv.dk	UlXDoGfPFHtsQkcOJMN8li8enhcCJmbr9Q5Dn5IYjdY

🔗 TLSA / DANE#

4 records 96ms

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	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

104ms

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	2411122918
Primary NS (MNAME)	lila.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-08-03 08:30:05

Field	Value
Registrar	Domeneshop AS
Registered	2016-10-25
Expires	2030-10-31 (1472d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

48ms

43ms

AAAA

45ms

TXT

216ms

CAA

55ms

HTTPS

52ms

TLSA

96ms

SOA

0ms

MTA-STS

64ms

DNSSEC

104ms

SRV

68ms

Total

782ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 18:38:35	1074ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-30 18:30:28	2457ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-27 18:02:28	722ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-12 10:53:15	1157ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-08 16:30:00	861ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-27 02:08:14	9934ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-25 00:45:26 shown	782ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-03 08:29:35	1272ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-11 16:30:59	1435ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 14:19:12	6271ms	2 NS 2 A 2 MX	🔓 Insecure