aktholding.dk
Last scanned: 2026-08-27 11:13:35  ·  738ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   42ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
172.205.114.33 3600s — AS8075 Microsoft Corporation 172.200.0.0/13 🇮🇪 Ireland Dublin
📧 MX Records1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.admin-securefirst.dk 159.69.242.34 mail.admin-securefirst.dk AS24940 Hetzner Online GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover172.205.114.33
🔶 Autoconfig172.205.114.33
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   166ms
TXT Record
v=spf1 mx a -all
✉️ SPF
PolicyRecord (aktholding.dk)
-all (hard fail) v=spf1 mx a -all
📨 DMARC
PolicyRecord (_dmarc.aktholding.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC123ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082401
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
42ms
A
35ms
MX
40ms
AAAA
46ms
TXT
166ms
CAA
42ms
HTTPS
31ms
TLSA
76ms
SOA
0ms
MTA-STS
96ms
DNSSEC
123ms
SRV
67ms
Total
738ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 11:13:35 738ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-26 19:08:34 745ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-24 18:25:14 674ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-30 03:21:12 677ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-18 12:56:21 728ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:54:14 1097ms 3 NS 1 A 1 MX 🔒 Secure View
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