dcssite.dk
Last scanned: 2026-06-26 10:53:17  ·  629ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
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   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
51.12.248.181 600s — AS8075 Microsoft Corporation 51.12.0.0/15 🇸🇪 Sweden —
📧 MX Records1 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.dcssite.dk 51.12.248.181 — AS8075 Microsoft Corporation
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover51.12.248.181
🔶 Autoconfig51.12.248.181
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   199ms
TXT Record
v=spf1 include:sendgrid.net include:app.lonesome.dk include:o1.mail.online.gnresound.com ~all
✉️ SPF
PolicyRecord (dcssite.dk)
~all (soft fail) v=spf1 include:sendgrid.net include:app.lonesome.dk include:o1.mail.online.gnresound.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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC56ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA30ms
FieldValue
Serial2026032401
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
32ms
A
39ms
MX
32ms
AAAA
27ms
TXT
199ms
CAA
31ms
HTTPS
48ms
TLSA
73ms
SOA
30ms
MTA-STS
38ms
DNSSEC
56ms
SRV
67ms
Total
629ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 10:53:17 629ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 17:01:39 615ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 20:09:56 625ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 23:42:33 4342ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 10:51:07 909ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 22:00:49 934ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 16:28:16 529ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-17 01:23:48 528ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 01:20:44 460ms 2 NS 1 A 1 MX 🔒 Secure View
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