holkenfeldt.dk
Last scanned: 2026-09-01 12:47:59  ·  546ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
NameserverIP addressesPTRASN / ISP
ns.dandomain.dk 185.25.141.3
2a02:2339:4006:109::dd		 ns.dandomain.dk
ns.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.dandomain.dk 2a02:2339:1:108::dd:dd
91.197.248.66		 ns2.dandomain.dk
ns2.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
194.255.15.4 86400s 4.0-27.15.255.194.in-addr.arpa
www.dandomain.dk		 AS3308 Norlys Telco A/S 194.255.0.0/16 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   51ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.spamfilter.io 46.36.212.34
46.36.212.36
46.36.212.37
46.36.212.38
89.188.78.64
89.188.78.65
89.188.78.66
94.231.106.12		 node4.spamfilter.io
node8.spamfilter.io
node6.spamfilter.io
node7.spamfilter.io
node3.spamfilter.io
node9.spamfilter.io
node10.spamfilter.io
node2.spamfilter.io		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscoverredirect.webexchange.nu → 46.36.209.50
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   145ms
TXT Record
v=spf1 a include:spf.dandomain.dk ~all
✉️ SPF
PolicyRecord (holkenfeldt.dk)
~all (soft fail) v=spf1 a include:spf.dandomain.dk ~all
📨 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
🔗 TLSA / DANE1 records   52ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.spamfilter.io DANE-EE · SPKI · SHA-256 9A25F05F2E322DABDCC9B7A06AB47A2D…
🔐 DNSSEC85ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2021090100
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
48ms
A
43ms
MX
51ms
AAAA
48ms
TXT
145ms
CAA
40ms
HTTPS
36ms
TLSA
52ms
SOA
0ms
MTA-STS
45ms
DNSSEC
85ms
SRV
57ms
Total
546ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 12:47:59 546ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-22 20:06:15 16997ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 18:45:30 1242ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 10:59:27 1601ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 12:38:17 3120ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-23 23:02:51 1178ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 11:51:45 839ms 2 NS 1 A 1 MX 🔒 Secure View
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