cascom.dk
📜 Historical scan 2026-07-11 12:09:46  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   156ms
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   186ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.162.201.225 600s opal11.opalstack.com AS28753 Leaseweb Deutschland GmbH 178.162.192.0/18 🇩🇪 Germany —
📧 MX Records2 records   195ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx1.de.opalstack.com 139.162.189.90
2a01:7e01:e001:856::1		 mx1.de.opalstack.com
mx1.de.opalstack.com		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
10 600s mx2.de.opalstack.com 178.162.221.165 mx2.de.opalstack.com AS28753 Leaseweb Deutschland GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovercascom.dk → 178.162.201.225
🔶 Autoconfigcascom.dk → 178.162.201.225
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   322ms
TXT Record
v=spf1 a:smtp.de.opalstack.com include:_spf.google.com ~all
✉️ SPF
PolicyRecord (cascom.dk)
~all (soft fail) v=spf1 a:smtp.de.opalstack.com include:_spf.google.com ~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.cascom.dk cascom.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC254ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026071001
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
156ms
A
186ms
MX
195ms
AAAA
154ms
TXT
322ms
CAA
188ms
HTTPS
173ms
TLSA
396ms
SOA
0ms
MTA-STS
216ms
DNSSEC
254ms
SRV
205ms
Total
2982ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 03:50:08 1079ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-11 02:47:09 1687ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-17 03:35:39 1538ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-11 12:09:46 2982ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 18:44:09 1511ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-23 23:00:35 1173ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 19:36:24 826ms 2 NS 1 A 2 MX 🔒 Secure View
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