itknowhow.dk
📜 Historical scan 2026-08-12 05:33:32  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   38ms
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 Records1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.27.237.9 600s — AS34705 Norlys Digital A/S 85.27.128.0/17 🇩🇰 Denmark Nørresundby
📧 MX Records1 records   53ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.itknowhow.dk 85.27.237.9 — AS34705 Norlys Digital A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoveritknowhow.dk → 85.27.237.9
🔶 Autoconfigitknowhow.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 Records2 records   350ms
TXT Record
MS=91D2D276E70C0517081053232225569ADAAD292C
v=spf1 mx:itknowhow.dk -all
✉️ SPF
PolicyRecord (itknowhow.dk)
-all (hard fail) v=spf1 mx:itknowhow.dk -all
📨 DMARC
PolicyRecord (_dmarc.itknowhow.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:info@itknowhow.dk; ruf=mailto:info@itknowhow.dk; fo=1
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.itknowhow.dk itknowhow.dk
TXT itknowhow.dk MS=91D2D276E70C0517081053232225569ADAAD292C
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC148ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
38ms
A
45ms
MX
53ms
AAAA
44ms
TXT
350ms
CAA
63ms
HTTPS
45ms
TLSA
81ms
SOA
0ms
MTA-STS
93ms
DNSSEC
148ms
SRV
8124ms
Total
8691ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 11:55:12 775ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 18:49:33 908ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 05:33:32 8691ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 10:10:01 937ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 08:33:33 934ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 18:19:13 5496ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 17:07:33 2458ms 2 NS 1 A 1 MX 🔒 Secure View
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