coupon.dk
Last scanned: 2026-08-26 22:50:09  ·  9767ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   175ms
NameserverIP addressesPTRASN / ISP
ns1.systemdns.com 216.40.47.90
2604:4000:0:d:216:40:47:90		 ns1.systemdns.com
ns1.systemdns.com		 AS15348 Tucows.com Co.
AS15348 Tucows.com Co.
ns2.systemdns.com 2604:4000:2800:d:64:99:148:16
64.98.148.16		 ns2.systemdns.com
ns2.systemdns.com		 AS32491 Tucows.com Co.
AS32491 Tucows.com Co.
ns3.systemdns.com 2604:4000:0:d:64:99:96:36
64.99.96.36		 ns3.systemdns.com
ns3.systemdns.com		 AS15348 Tucows.com Co.
AS15348 Tucows.com Co.
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover64.99.64.37
🔶 Autoconfig64.99.64.37
🔷 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
PolicyRecord (_dmarc.coupon.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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9088ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial1752189161
Primary NS (MNAME)ns1.systemdns.com
Responsible (RNAME)hostmaster@systemdns.com
Refresh10800s
Retry3600s
Expire300s
Minimum (neg-cache TTL)60s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
175ms
A
248ms
MX
240ms
AAAA
248ms
TXT
1268ms
CAA
135ms
HTTPS
238ms
TLSA
344ms
SOA
0ms
MTA-STS
294ms
DNSSEC
9088ms
SRV
408ms
Total
9767ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 22:50:09 9767ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-06-28 17:33:13 2012ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-06-23 06:45:03 1559ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-06-22 23:27:35 2348ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-06-19 16:12:43 1724ms 3 NS 0 A 0 MX 🔓 Insecure View
2026-06-16 22:35:03 1009ms 3 NS 0 A 0 MX 🔓 Insecure View
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