koui.dk

📜 Historical scan 2026-08-06 18:50:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koui.dk is a .dk domain served by 2 nameservers (luke.ns.cloudflare.com, naomi.ns.cloudflare.com). It was registered on 13 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.5.254 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.emailsrvr.com, mx2.emailsrvr.com. 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
luke.ns.cloudflare.com	108.162.193.200 172.64.33.200 173.245.59.200 2606:4700:58::adf5:3bc8 2803:f800:50::6ca2:c1c8 2a06:98c1:50::ac40:21c8	luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
naomi.ns.cloudflare.com	108.162.192.208 172.64.32.208 173.245.58.208 2606:4700:50::adf5:3ad0 2803:f800:50::6ca2:c0d0 2a06:98c1:50::ac40:20d0	naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.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 92ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.5.254	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.134.25	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 87ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.emailsrvr.com	184.106.54.1	mx1.emailsrvr.com	AS19994 Rackspace Hosting
20	300s	mx2.emailsrvr.com	184.106.54.2	mx2.emailsrvr.com	AS19994 Rackspace Hosting

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.5.254
🔶 Autoconfig	104.21.5.254

🔷 AAAA Records (IPv6)#

2 records 70ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5fe	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:8619	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 128ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.5.254,172.67.134.25 ech=AEX+DQBB5AAgACCQgG2R1zQuTd9HQQ7DmKpgymeU50p16mps8dgyfvj2FwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5fe,2606:4700:3036::ac43:8619

📝 TXT Records#

1 records 213ms

TXT Record
v=spf1 include:emailsrvr.com ~all

✉️ SPF#

Policy	Record (koui.dk)
~all (soft fail)	v=spf1 include:emailsrvr.com ~all

📨 DMARC#

Policy	Record (_dmarc.koui.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-10 02:44:15

www	185.158.133.1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network koui.dk: 185.158.133.1 (AS13335) www.koui.dk: 185.158.133.1 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9111ms

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	2411275236
Primary NS (MNAME)	luke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-02 21:01:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-04-13
Expires	2031-04-30 (1654d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

92ms

87ms

AAAA

70ms

TXT

213ms

CAA

112ms

HTTPS

128ms

TLSA

139ms

SOA

0ms

MTA-STS

114ms

DNSSEC

9111ms

SRV

133ms

Total

10260ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 20:52:59	730ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-29 20:43:35	736ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-04 11:17:06	699ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-27 03:53:39	854ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-23 17:50:22	10725ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-06 18:50:09 shown	10260ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-06 23:53:56	1463ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-22 17:30:59	926ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-18 07:42:21	19434ms	2 NS 2 A 2 MX	🔓 Insecure