xamarin.dk
Last scanned: 2026-09-05 09:03:29  ·  2493ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   153ms
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   122ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.134.173 43200s — AS211037 1Ago CommV 185.21.134.0/24 🇧🇪 Belgium Dendermonde
📧 MX Records1 records   133ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.anderstidemand.com — — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverxamarin.dk → 185.21.134.173
🔶 Autoconfigxamarin.dk → 185.21.134.173
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   464ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (xamarin.dk)
-all (hard fail) v=spf1 mx -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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.xamarin.dk xamarin.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC174ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026090101
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
153ms
A
122ms
MX
133ms
AAAA
99ms
TXT
464ms
CAA
133ms
HTTPS
112ms
TLSA
1629ms
SOA
0ms
MTA-STS
135ms
DNSSEC
174ms
SRV
377ms
Total
2493ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-05 09:03:29 2493ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 16:56:26 633ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-27 20:37:02 1363ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 23:18:41 715ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 17:37:04 757ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 06:40:37 1896ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 12:30:56 2189ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 22:42:08 871ms 2 NS 1 A 1 MX 🔒 Secure View
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