istd.dk
Last scanned: 2026-06-26 03:43:22  ·  698ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   67ms
NameserverIP addressesPTRASN / ISP
ns1-01.azure-dns.com 13.107.236.1
2603:1061:0:700::1		 ns1-01.azure-dns.com
ns1-01.azure-dns.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns2-01.azure-dns.net 150.171.21.1
2620:1ec:8ec:700::1		 ns2-01.azure-dns.net
ns2-01.azure-dns.net		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns3-01.azure-dns.org 204.14.183.1
2a01:111:4000:700::1		 ns3-01.azure-dns.org
ns3-01.azure-dns.org		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns4-01.azure-dns.info 208.84.5.1
2620:1ec:bda:700::1		 ns4-01.azure-dns.info
ns4-01.azure-dns.info		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🌍 A Records1 records   22ms
IPTTLPTRASNISP / OrgCIDRCountryCity
23.101.63.214 3600s — AS8075 Microsoft Corporation 23.100.0.0/15 🇮🇪 Ireland Dublin
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover23.101.63.214
🔶 Autoconfig23.101.63.214
🔷 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)
🔐 DNSSEC89ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA59ms
FieldValue
Serial2016041200
Primary NS (MNAME)ns1-01.azure-dns.com
Responsible (RNAME)azuredns-hostmaster@microsoft.com
Refresh3600s
Retry300s
Expire2419200s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
67ms
A
22ms
MX
44ms
AAAA
72ms
TXT
205ms
CAA
53ms
HTTPS
69ms
TLSA
68ms
SOA
59ms
MTA-STS
71ms
DNSSEC
89ms
SRV
100ms
Total
698ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 03:43:22 698ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-20 14:42:36 420ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-20 09:46:26 471ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-20 06:27:28 956ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 11:34:27 527ms 4 NS 1 A 0 MX 🔓 Insecure View
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