knass21.dk

📜 Historical scan 2026-06-17 11:45:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

knass21.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 90.185.145.235 is hosted by Hiper A/S (AS203953) in Denmark. The zone is DNSSEC-signed and validates, has no 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 76ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
90.185.145.235	—	x5ab991eb.customers.hiper-net.dk	AS203953	Hiper A/S	90.184.0.0/15	🇩🇰 Denmark	Kolding

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

1 records 70ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a05:f6c5:195c:0:759c:7094:4db4:437	—	—	AS203953	Hiper A/S	2a05:f6c0:0:0:0:0:0:0/29	🇩🇰 Denmark	Kolding

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-07 15:49:23

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks knass21.dk: 90.185.145.235 2a05:f6c5:195c:0:759c:7094:4db4:437 (AS203953) www.knass21.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

186ms

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

🏷️ SOA#

71ms

Field	Value
Serial	2026061601
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

76ms

65ms

75ms

AAAA

70ms

TXT

240ms

CAA

69ms

HTTPS

69ms

TLSA

3553ms

SOA

71ms

MTA-STS

47ms

DNSSEC

186ms

SRV

0ms

Total

4145ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 14:40:07	830ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 03:30:05	1629ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:19:58	740ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 00:57:20	2658ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 21:40:07	4800ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 11:25:01	609ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:45:03 shown	4145ms	2 NS 1 A 0 MX	🔒 Secure