koui.dk

📜 Historical scan 2026-06-22 17:30:59 · ← 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 55ms

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 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.5.254	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.134.25	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.emailsrvr.com	146.20.161.1	mx1.emailsrvr.com	AS27357 Rackspace Hosting
20	600s	mx2.emailsrvr.com	173.203.187.2	mx2.emailsrvr.com	AS27357 Rackspace Hosting

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.5.254
🔶 Autoconfig	104.21.5.254

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:8619	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:5fe	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 62ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.5.254,172.67.134.25 ech=AEX+DQBBMAAgACACN7S0ONDu1/LYaPDsolUkqO3yCnpi/91i/DxEJcP2UAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8619,2606:4700:3036::6815:5fe

📝 TXT Records#

1 records 200ms

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#

86ms

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

🏷️ SOA#

81ms

Field	Value
Serial	2406175323
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#

55ms

67ms

59ms

AAAA

39ms

TXT

200ms

CAA

55ms

HTTPS

62ms

TLSA

168ms

SOA

81ms

MTA-STS

39ms

DNSSEC

86ms

SRV

69ms

Total

926ms

🕐 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	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 shown	926ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-18 07:42:21	19434ms	2 NS 2 A 2 MX	🔓 Insecure