knowhowit.dk

Records from scan: 2026-10-12 05:45:58  ·  1222ms total  ·  last checked 2026-10-16 13:55 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

knowhowit.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 October 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.27.237.9 is hosted by Norlys Telco A/S (AS34705) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   112ms
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   96ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.27.237.9 3600s — AS34705 Norlys Telco A/S 85.27.128.0/17 🇩🇰 Denmark Nørresundby

📧 MX Records#

1 records   84ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverknowhowit.dk → 85.27.237.9
🔶 Autoconfigknowhowit.dk → 85.27.237.9

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 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#

checked 2026-10-12 05:45:59
www CNAMEknowhowit.dk (all on knowhowit.dk)
www vs bare domainSame network
knowhowit.dk: 85.27.237.9 (AS34705)
www.knowhowit.dk: 85.27.237.9 (AS34705)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.knowhowit.dk knowhowit.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

216ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

82ms
FieldValue
Serial2026101101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-12 06:16:39
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2001-10-03
Expires2026-12-31 (75d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
c5-support.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
112ms
A
96ms
MX
84ms
AAAA
97ms
TXT
310ms
CAA
55ms
HTTPS
124ms
TLSA
176ms
SOA
82ms
MTA-STS
115ms
DNSSEC
216ms
SRV
162ms
Total
1222ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 05:45:58 shown 1222ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-01 00:24:11 831ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-15 03:06:37 854ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-27 11:13:45 738ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-12 02:31:18 926ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-21 05:48:06 4760ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-18 08:14:23 9686ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-17 02:17:42 636ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-18 06:17:22 834ms 2 NS 1 A 0 MX 🔒 Secure
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