cru.dk
Last scanned: 2026-08-06 15:50:24  ·  808ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   85ms
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   84ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.177.79.14 43200s 188-177-79-14-dynamic.dk.customer.tdc.net AS3292 TDC Holding A/S 188.176.0.0/13 🇩🇰 Denmark Fredensborg
📧 MX Records2 records   81ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s cru.dk 188.177.79.14 188-177-79-14-dynamic.dk.customer.tdc.net AS3292 TDC Holding A/S
10 43200s generated-by-one-com-for-mx-10.cru.dk 188.177.79.14 188-177-79-14-dynamic.dk.customer.tdc.net AS3292 TDC Holding A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover188.177.79.14
🔶 Autoconfig188.177.79.14
🔷 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC211ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080401
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
85ms
A
84ms
MX
81ms
AAAA
96ms
TXT
209ms
CAA
84ms
HTTPS
84ms
TLSA
103ms
SOA
0ms
MTA-STS
54ms
DNSSEC
211ms
SRV
139ms
Total
808ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-06 15:50:24 808ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-06 12:17:08 765ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-03 12:27:44 797ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-20 04:28:18 1978ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 01:22:14 56360ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-16 23:22:03 1756ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-16 23:02:20 458ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-16 23:00:38 584ms 2 NS 1 A 2 MX 🔒 Secure View
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