dupontkoustrup.dk
Last scanned: 2026-08-27 19:31:53  ·  612ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
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   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.228.88.179 43200s 188.228.88.179.dynamic.altibox.net AS214875 Altibox Danmark AS 188.228.88.0/22 🇩🇰 Denmark Holstebro
📧 MX Records1 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.dupontkoustrup.dk 188.228.88.179 188.228.88.179.dynamic.altibox.net AS214875 Altibox Danmark AS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovermail.dupontkoustrup.dk → 188.228.88.179
🔶 Autoconfigmail.dupontkoustrup.dk → 188.228.88.179
🔷 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
PolicyRecord (_dmarc.dupontkoustrup.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s; aspf=s
📬 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.dupontkoustrup.dk dupontkoustrup.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC96ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081201
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
48ms
A
48ms
MX
36ms
AAAA
61ms
TXT
163ms
CAA
70ms
HTTPS
46ms
TLSA
82ms
SOA
0ms
MTA-STS
70ms
DNSSEC
96ms
SRV
82ms
Total
612ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 19:31:53 612ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 06:18:34 793ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-13 08:27:16 4721ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 19:20:12 806ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 23:42:28 2496ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 02:32:25 757ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 20:26:14 690ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 09:02:51 563ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:09:45 291ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:02:34 1725ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:00:27 11599ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:00:05 670ms 2 NS 1 A 1 MX 🔒 Secure View
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