how.dk
📜 Historical scan 2026-06-25 06:44:11  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   54ms
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   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.239.196.34 600s mail1.how.dk AS44869 FIBIA P/S 89.239.192.0/18 🇩🇰 Denmark Odense
📧 MX Records1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mail1.how.dk 89.239.196.34 mail1.how.dk AS44869 FIBIA P/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverhow.dk → 89.239.196.34
🔶 Autoconfighow.dk → 89.239.196.34
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   207ms
TXT Record
google-site-verification=Bgc4jqQRKMm6MFfT3kZGV1g_BXa9mWgkICMU4pyYZyc
v=spf1 mx ~all
✉️ SPF
PolicyRecord (how.dk)
~all (soft fail) v=spf1 mx ~all
📨 DMARC
PolicyRecord (_dmarc.how.dk)
p=reject v=DMARC1;p=reject;rua=mailto:dmarc.rua@how.dk;ruf=mailto:dmarc.ruf@how.dk;fo=1;rf=afrf;pct=100
📬 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.how.dk how.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC86ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA61ms
FieldValue
Serial2026062401
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
54ms
A
47ms
MX
40ms
AAAA
32ms
TXT
207ms
CAA
39ms
HTTPS
63ms
TLSA
168ms
SOA
61ms
MTA-STS
56ms
DNSSEC
86ms
SRV
107ms
Total
777ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 07:56:40 2785ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 05:01:14 804ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 19:33:00 674ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 07:23:54 992ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 06:44:11 777ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 03:48:02 1151ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:25:45 2686ms 2 NS 1 A 1 MX 🔒 Secure View
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