denkognitivediamant.dk

📜 Historical scan 2026-09-27 00:25:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

denkognitivediamant.dk is a .dk domain served by 2 nameservers (desi.ns.cloudflare.com, yadiel.ns.cloudflare.com). It was registered on 1 October 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.83.135 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx4.spamfri.dk, mx2.spamfri.dk and 2 more. The zone is DNSSEC-signed and validates, 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
desi.ns.cloudflare.com	108.162.192.96 172.64.32.96 173.245.58.96 2606:4700:50::adf5:3a60 2803:f800:50::6ca2:c060 2a06:98c1:50::ac40:2060	desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yadiel.ns.cloudflare.com	108.162.195.4 162.159.44.4 172.64.35.4 2606:4700:58::a29f:2c04 2803:f800:50::6ca2:c304 2a06:98c1:50::ac40:2304	yadiel.ns.cloudflare.com yadiel.ns.cloudflare.com yadiel.ns.cloudflare.com yadiel.ns.cloudflare.com yadiel.ns.cloudflare.com yadiel.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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.83.135	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.176.157	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx4.spamfri.dk	193.200.91.108 2001:67c:564:fffd::4001	mx4.spamfri.dk mx4.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	300s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	300s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43 62.69.152.43	mx3.spamfri.dk 43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S
40	300s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	193.200.90.102
🔶 Autoconfig	web9.e-studio.dk → 193.200.90.102

🔷 AAAA Records (IPv6)#

2 records 65ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:5387	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:b09d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.83.135,172.67.176.157 ech=AEX+DQBBKgAgACB2pyLqfC/tzrV7PiyUBe6M8FImQvF+dO/fquL1DqWWEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5387,2606:4700:3037::ac43:b09d

🔌 SRV Records#

1 records 84ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records 178ms

TXT Record
v=spf1 include:_spf.e-studio.dk -all

✉️ SPF#

Policy	Record (denkognitivediamant.dk)
-all (hard fail)	v=spf1 include:_spf.e-studio.dk -all

📨 DMARC#

Policy	Record (_dmarc.denkognitivediamant.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-17 09:16:47

www	104.21.83.135 172.67.176.157 2606:4700:3030::6815:5387 2606:4700:3037::ac43:b09d (AS13335) (address records, no CNAME)
www vs bare domain	Same network denkognitivediamant.dk: 104.21.83.135 172.67.176.157 2606:4700:3030::6815:5387 2606:4700:3037::ac43:b09d (AS13335) www.denkognitivediamant.dk: 104.21.83.135 172.67.176.157 2606:4700:3030::6815:5387 2606:4700:3037::ac43:b09d (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 74ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…
SMTP _25._tcp.mx4.spamfri.dk	DANE-EE · SPKI · SHA-256	4EE743A99328AEF5142706CA5FD3AD61…

🔐 DNSSEC#

132ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415918908
Primary NS (MNAME)	desi.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 09:52:04

Field	Value
Registrar	dns.services ApS
Registered	2022-10-01
Expires	2027-09-30 (341d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

55ms

57ms

AAAA

65ms

TXT

178ms

CAA

65ms

HTTPS

57ms

TLSA

74ms

SOA

0ms

MTA-STS

77ms

DNSSEC

132ms

SRV

84ms

Total

908ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 09:16:46	2823ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-29 14:52:44	1708ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-29 01:07:38	1196ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-27 00:25:42 shown	908ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-26 00:00:00	1326ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-23 23:09:10	966ms	2 NS 2 A 4 MX	🔒 Secure
2026-09-22 16:42:58	1697ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-22 15:39:16	3158ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-27 17:17:09	748ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 09:35:48	586ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 02:13:45	534ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:55:15	623ms	4 NS 1 A 1 MX	🔒 Secure