sandflow.dk
Last scanned: 2026-08-29 16:27:04  ·  2290ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers6 records   44ms
NameserverIP addressesPTRASN / ISP
itdd.dk 95.138.221.135 mail.itdd.dk AS39642 Sinal A/S
ns1.he.net 2001:470:100::2
216.218.130.2		 ns1.he.net
ns1.he.net		 AS6939 Hurricane Electric LLC
AS6939 Hurricane Electric LLC
ns2.he.net 2001:470:200::2
216.218.131.2		 ns2.he.net
ns2.he.net		 AS6939 Hurricane Electric LLC
AS6939 Hurricane Electric LLC
ns3.he.net 2001:470:300::2
216.218.132.2		 ns3.he.net
ns3.he.net		 AS6939 Hurricane Electric LLC
AS6939 Hurricane Electric LLC
ns4.he.net 2001:470:400::2
216.66.1.2		 ns4.he.net
ns4.he.net		 AS6939 Hurricane Electric LLC
AS6939 Hurricane Electric LLC
ns5.he.net 2001:470:500::2
216.66.80.18		 ns5.he.net
ns5.he.net		 AS6939 Hurricane Electric LLC
AS6939 Hurricane Electric LLC
🌍 A Records1 records   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
95.138.221.135 3600s mail.itdd.dk AS39642 Sinal A/S 95.138.208.0/20 🇩🇰 Denmark Silkeborg
📧 MX Records1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.itdd.dk 95.138.221.135 mail.itdd.dk AS39642 Sinal A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover95.138.221.135
🔶 Autoconfig95.138.221.135
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   261ms
TXT Record
v=spf1 a mx ~all
✉️ SPF
PolicyRecord (sandflow.dk)
~all (soft fail) v=spf1 a mx ~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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.sandflow.dk Y9jaO38QbJYrtPJZjX2A2s8uwmaHIAXhFElQstDpgn8
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC1262ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1787911270
Primary NS (MNAME)itdd.dk
Responsible (RNAME)hostmaster@itdd.dk
Refresh7200s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
44ms
A
49ms
MX
37ms
AAAA
1190ms
TXT
261ms
CAA
1193ms
HTTPS
43ms
TLSA
179ms
SOA
0ms
MTA-STS
62ms
DNSSEC
1262ms
SRV
1215ms
Total
2290ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 16:27:04 2290ms 6 NS 1 A 1 MX 🔓 Insecure View
2026-07-01 06:30:35 1328ms 6 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 22:13:55 1083ms 6 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 15:35:23 1088ms 6 NS 1 A 1 MX 🔓 Insecure View
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