krystallen.dk
Last scanned: 2026-08-27 19:57:31  ·  726ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   34ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com 199.167.66.107
2610:1c8:b002::107		 ns1.eurodns.com
ns1.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns2.eurodns.com 104.37.178.107
2610:1c8:b001::107		 ns2.eurodns.com
ns2.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns3.eurodns.com 199.167.66.108
2610:1c8:b002::108		 ns3.eurodns.com
ns3.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns4.eurodns.com 104.37.178.108
2610:1c8:b001::108		 ns4.eurodns.com
ns4.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
🌍 A Records1 records   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.162.110.54 600s — AS3292 TDC Holding A/S 193.162.110.0/23 🇩🇰 Denmark —
📧 MX Records1 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   281ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (krystallen.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.krystallen.dk)
p=reject v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s
📬 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)
🔐 DNSSEC87ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2023021529
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
34ms
A
43ms
MX
48ms
AAAA
46ms
TXT
281ms
CAA
40ms
HTTPS
52ms
TLSA
76ms
SOA
0ms
MTA-STS
75ms
DNSSEC
87ms
SRV
103ms
Total
726ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 19:57:31 726ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-26 21:43:59 639ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-08 18:07:28 2724ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-21 12:41:51 9797ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-19 16:05:26 8661ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-03 00:30:27 9723ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-24 08:52:21 948ms 4 NS 1 A 1 MX ⚠️ Bogus View
2026-06-20 02:26:51 478ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-18 08:37:14 987ms 4 NS 1 A 0 MX 🔒 Secure View
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