rspsystems.dk
Last scanned: 2026-06-26 15:16:05  ·  1205ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   205ms
NameserverIP addressesPTRASN / ISP
ns1.linode.com 2600:14c0:6::2
92.123.94.2		 c1-2.akashield.net
c1-2.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns2.linode.com 2600:14c0:6::3
92.123.94.3		 c1-3.akashield.net
c1-3.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns3.linode.com 2600:14c0:7::3
92.123.95.3		 c2-3.akashield.net
c2-3.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns4.linode.com 2600:14c0:7::4
92.123.95.4		 c2-4.akashield.net
c2-4.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns5.linode.com 2600:14c0:7::2
92.123.95.2		 c2-2.akashield.net
c2-2.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
🌍 A Records1 records   63ms
IPTTLPTRASNISP / OrgCIDRCountryCity
143.42.26.78 86400s 143-42-26-78.ip.linodeusercontent.com AS63949 Akamai Connected Cloud 143.42.0.0/18 🇩🇪 Germany Frankfurt am Main
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   574ms
TXT Record
MS=ms56701305
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.rspsystems.dk)
p=reject v=DMARC1; p=reject;
📬 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)
🔐 DNSSEC180ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA67ms
FieldValue
Serial2021000009
Primary NS (MNAME)ns1.linode.com
Responsible (RNAME)info@rspsystems.com
Refresh14400s
Retry14400s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
205ms
A
63ms
MX
63ms
AAAA
64ms
TXT
574ms
CAA
53ms
HTTPS
132ms
TLSA
138ms
SOA
67ms
MTA-STS
185ms
DNSSEC
180ms
SRV
201ms
Total
1205ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 15:16:05 1205ms 5 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 06:41:26 1222ms 5 NS 1 A 0 MX 🔓 Insecure View
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