sitebuilding.dk
Last scanned: 2026-08-27 23:12:45  ·  3968ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   73ms
NameserverIP addressesPTRASN / ISP
ns1.krystal.uk 77.72.0.11 ns1.krystal.uk AS12488 Krystal Hosting Ltd
ns2.krystal.uk 139.162.230.184 ns2.krystal.uk AS63949 Akamai Connected Cloud
🌍 A Records1 records   80ms
IPTTLPTRASNISP / OrgCIDRCountryCity
152.89.79.37 14242s marco-nyc.krystalhosting.com AS12488 Krystal Hosting Ltd 152.89.76.0/22 🇺🇸 United States —
📧 MX Records2 records   81ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.krystalhosting.com 185.53.56.44
185.53.56.46		 mx1.strikemail.co.uk
mx1.strikemail.co.uk		 AS12488 Krystal Hosting Ltd
AS12488 Krystal Hosting Ltd
20 3600s mx2.krystalhosting.com 185.53.56.45
185.53.56.47		 mx2.strikemail.co.uk
mx2.strikemail.co.uk		 AS12488 Krystal Hosting Ltd
AS12488 Krystal Hosting Ltd
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   530ms
TXT Record
v=spf1 +a +mx +ip4:152.89.79.37 include:relay.k.io ~all
✉️ SPF
PolicyRecord (sitebuilding.dk)
~all (soft fail) v=spf1 +a +mx +ip4:152.89.79.37 include:relay.k.io ~all
📨 DMARC
PolicyRecord (_dmarc.sitebuilding.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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
TXT _acme-challenge.sitebuilding.dk uH1GVT1fiSLX8OQuE43_M20_PdMDtxlIVbVYZPbuIgw
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC2080ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026081201
Primary NS (MNAME)ns1.krystal.uk
Responsible (RNAME)admin@k-validator-marco-nyc.krystalhosting.com
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
73ms
A
80ms
MX
81ms
AAAA
68ms
TXT
530ms
CAA
70ms
HTTPS
74ms
TLSA
369ms
SOA
0ms
MTA-STS
125ms
DNSSEC
2080ms
SRV
180ms
Total
3968ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 23:12:45 3968ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-08-26 06:49:49 10802ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-08-16 19:52:21 2449ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-08-13 10:32:23 3834ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-18 04:17:46 649ms 2 NS 1 A 2 MX 🔓 Insecure View
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