crystalsten.dk
Last scanned: 2026-06-22 13:33:00  ·  5743ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   303ms
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   346ms
IPTTLPTRASNISP / OrgCIDRCountryCity
108.174.194.93 21600s client-108-174-194-93.hostwindsdns.com AS54290 Hostwinds LLC. 108.174.192.0/20 🇺🇸 United States —
📧 MX Records1 records   172ms
PriorityTTLMail ServerIP addressesPTRASN
10 21600s mail.crystalsten.dk 108.174.194.93 client-108-174-194-93.hostwindsdns.com AS54290 Hostwinds LLC.
🔷 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)
🔐 DNSSEC740ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA436ms
FieldValue
Serial2021000002
Primary NS (MNAME)ns1.linode.com
Responsible (RNAME)admin@crystalsten.dk
Refresh14400s
Retry14400s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
303ms
A
346ms
MX
172ms
AAAA
276ms
TXT
917ms
CAA
354ms
HTTPS
346ms
TLSA
1724ms
SOA
436ms
MTA-STS
372ms
DNSSEC
740ms
SRV
1858ms
Total
5743ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-22 13:33:00 5743ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 11:48:33 1032ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 00:42:46 48213ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 23:05:26 1398ms 5 NS 1 A 1 MX 🔓 Insecure View
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