substral.dk
Last scanned: 2026-08-27 05:06:38  ·  9652ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   103ms
NameserverIP addressesPTRASN / ISP
a.dns.gandi.net 173.246.98.1
2604:3400:abca::1		 a.dns.gandi.net
a.dns.gandi.net		 AS209453 GANDI SAS
AS209453 GANDI SAS
b.dns.gandi.net 2001:4b98:abcb::1
213.167.229.1		 b.dns.gandi.net
b.dns.gandi.net		 AS209453 GANDI SAS
AS209453 GANDI SAS
c.dns.gandi.net 217.70.179.1
2604:3400:abcc::1		 c.dns.gandi.net
c.dns.gandi.net		 AS209453 GANDI SAS
AS209453 GANDI SAS
🌍 A Records1 records   85ms
IPTTLPTRASNISP / OrgCIDRCountryCity
176.9.28.9 10800s static.9.28.9.176.clients.your-server.de AS24940 Hetzner Online GmbH 176.9.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   96ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mail.substral.dk 87.238.248.231 — AS198614 RockyNordic ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover176.9.28.9
🔶 Autoconfig176.9.28.9
🔷 AAAA Records (IPv6)1 records   95ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:150:3012::2 10800s — AS24940 Hetzner Online GmbH 2a01:4f8:0:0:0:0:0:0/31 🇩🇪 Germany Falkenstein
🔐 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)
🔐 DNSSEC9102ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1600684722
Primary NS (MNAME)a.dns.gandi.net
Responsible (RNAME)hostmaster@gandi.net
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)10800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
103ms
A
85ms
MX
96ms
AAAA
95ms
TXT
419ms
CAA
521ms
HTTPS
91ms
TLSA
174ms
SOA
0ms
MTA-STS
164ms
DNSSEC
9102ms
SRV
161ms
Total
9652ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 05:06:38 9652ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 20:46:15 3089ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 03:32:06 1068ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 13:17:25 2180ms 3 NS 1 A 1 MX 🔓 Insecure View
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