dtdmail.dk
Last scanned: 2026-08-22 04:52:19  ·  3911ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   106ms
NameserverIP addressesPTRASN / ISP
ns1.dtd.sse-ns.com 205.251.194.133
2600:9000:5302:8500::1		 ns-645.awsdns-16.net
ns-645.awsdns-16.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns2.dtd.sse-ns.com 205.251.193.201
2600:9000:5301:c900::1		 ns-457.awsdns-57.com
ns-457.awsdns-57.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns3.dtd.sse-ns.com 205.251.198.147
2600:9000:5306:9300::1		 ns-1683.awsdns-18.co.uk
ns-1683.awsdns-18.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns4.dtd.sse-ns.com 205.251.196.112
2600:9000:5304:7000::1		 ns-1136.awsdns-14.org
ns-1136.awsdns-14.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records1 records   82ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.237.249.17 1s splash.dandomain.dk AS48854 team.blue Denmark A/S 212.237.248.0/23 🇩🇰 Denmark —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   388ms
TXT Record
v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com -all
✉️ SPF
PolicyRecord (dtdmail.dk)
-all (hard fail) v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com -all
📨 DMARC
PolicyRecord (_dmarc.dtdmail.dk)
p=quarantine v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:df8e5f6289f844d5a87e07a1c4427699@dmarc-reports.cloudflare.net
📬 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)
🔐 DNSSEC224ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1
Primary NS (MNAME)ns1.dtd.sse-ns.com
Responsible (RNAME)domains@superstruct.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
106ms
A
82ms
MX
57ms
AAAA
111ms
TXT
388ms
CAA
80ms
HTTPS
105ms
TLSA
80ms
SOA
0ms
MTA-STS
104ms
DNSSEC
224ms
SRV
139ms
Total
3911ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-22 04:52:19 3911ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-07-30 11:03:14 1504ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-21 15:24:12 817ms 2 NS 2 A 0 MX ❓ Unknown View
2026-06-25 09:14:18 852ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 04:50:19 447ms 2 NS 2 A 0 MX 🔓 Insecure View
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