dulon.dk
Last scanned: 2026-08-28 07:40:40  ·  4612ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   47ms
NameserverIP addressesPTRASN / ISP
ns.scannet2.dk 185.25.141.9
2a02:2339:4006:10d::4171:4171		 ns1.scannet.dk
ns1.scannet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.scannet2.dk 2a02:2339:1:112:0:5:1:b11
91.197.248.72		 ns2.scannet.dk
ns2.scannet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.88.99.147 900s — AS3292 TDC Holding A/S 193.88.0.0/15 🇩🇰 Denmark Esbjerg
📧 MX Records1 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 900s qmail.tdcwebmore.dk 212.237.249.153 — AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverdulon.dk → 193.88.99.147
🔶 Autoconfigdulon.dk → 193.88.99.147
🔷 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.dulon.dk dulon.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC88ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2020051201
Primary NS (MNAME)ns.scannet2.dk
Responsible (RNAME)hostmaster@scannet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
47ms
A
53ms
MX
55ms
AAAA
42ms
TXT
150ms
CAA
57ms
HTTPS
43ms
TLSA
4030ms
SOA
0ms
MTA-STS
71ms
DNSSEC
88ms
SRV
58ms
Total
4612ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 07:40:40 4612ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-24 14:49:19 2069ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:10:22 1411ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:08:45 14508ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:03:29 466ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:01:05 2709ms 2 NS 1 A 1 MX 🔒 Secure View
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