knass21.dk

📜 Historical scan 2026-08-18 00:57:20  ·  ← 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. Mail is handled by .. 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   193ms
NameserverIP addressesPTRASN / 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   243ms
IPTTLPTRASNISP / OrgCIDRCountryCity
90.185.145.235 600s x5ab991eb.customers.hiper-net.dk AS203953 Hiper A/S 90.184.0.0/15 🇩🇰 Denmark Kolding

📧 MX Records#

1 records   224ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverknass21.dk → 90.185.145.235
🔶 Autoconfigknass21.dk → 90.185.145.235

🔷 AAAA Records (IPv6)#

1 records   212ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a05:f6c5:195c:0:759c:7094:4db4:437 600s — 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
www46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domainDifferent networks (all like this)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.knass21.dk knass21.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

312ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026081701
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
193ms
A
243ms
MX
224ms
AAAA
212ms
TXT
410ms
CAA
213ms
HTTPS
206ms
TLSA
1152ms
SOA
0ms
MTA-STS
252ms
DNSSEC
312ms
SRV
269ms
Total
2658ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 4145ms 2 NS 1 A 0 MX 🔒 Secure
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