ksdu.dk

📜 Historical scan 2026-06-21 18:45:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ksdu.dk is a .dk domain served by 2 nameservers (danica.ns.cloudflare.com, lewis.ns.cloudflare.com). It was registered on 26 June 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.221.196.226 is hosted by One.com A/s (AS51468) in Denmark. Mail is handled by web7.netplads.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 58ms

Nameserver	IP addresses	PTR	ASN / ISP
danica.ns.cloudflare.com	108.162.194.187 162.159.38.187 172.64.34.187 2606:4700:50::a29f:26bb 2803:f800:50::6ca2:c2bb 2a06:98c1:50::ac40:22bb	danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lewis.ns.cloudflare.com	108.162.195.159 162.159.44.159 172.64.35.159 2606:4700:58::a29f:2c9f 2803:f800:50::6ca2:c39f 2a06:98c1:50::ac40:239f	lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.221.196.226	300s	—	AS51468	One.com A/s	91.221.196.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	web7.netplads.dk	91.221.196.226	—	AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	91.221.196.226
🔶 Autoconfig	91.221.196.226

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 245ms

TXT Record
55dVOQbIdeb3wHk/c16Mh1msNfwGFmhw2pDbVzrHSdQ=
M4fsn8Fx1TRx6GxWhSQk5S1QV94VJiufVLa8WOVPGoI=

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 03:49:15

www	91.221.196.226 (AS51468) (address records, no CNAME)
www vs bare domain	Same network ksdu.dk: 91.221.196.226 (AS51468) www.ksdu.dk: 91.221.196.226 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

147ms

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

🏷️ SOA#

60ms

Field	Value
Serial	2406393400
Primary NS (MNAME)	danica.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 02:42:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-06-26
Expires	2029-06-30 (981d)

📋 WHOIS#

⏱️ Lookup Timing#

58ms

61ms

AAAA

58ms

TXT

245ms

CAA

59ms

HTTPS

47ms

TLSA

609ms

SOA

60ms

MTA-STS

60ms

DNSSEC

147ms

SRV

291ms

Total

1067ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:49:15	917ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 02:36:48	2269ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 02:01:34	570ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 13:21:11	570ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 11:52:49	1044ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 13:43:17	5350ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 15:39:30	3503ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 21:28:46	1310ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 07:49:20	1113ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 08:46:00	843ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 02:57:27	1973ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 20:11:16	744ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 18:45:36 shown	1067ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 06:56:52	1148ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 13:32:51	739ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 22:06:28	670ms	2 NS 1 A 1 MX	🔒 Secure