dtdmail.dk

📜 Historical scan 2026-08-22 04:52:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dtdmail.dk is a .dk domain served by 4 nameservers (ns1.dtd.sse-ns.com, ns2.dtd.sse-ns.com, ns3.dtd.sse-ns.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.17 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 106ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

1 records 82ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 Records#

1 records 388ms

TXT Record
v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com -all

✉️ SPF#

Policy	Record (dtdmail.dk)
-all (hard fail)	v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com -all

📨 DMARC#

Policy	Record (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 04:10:32

www	Exists, no address
www vs bare domain	www does not resolve dtdmail.dk: 212.237.249.17 (AS48854) www.dtdmail.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

224ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.dtd.sse-ns.com
Responsible (RNAME)	domains@superstruct.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

106ms

82ms

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 At	Duration	Records	DNSSEC
2026-09-30 12:56:13	570ms	4 NS 1 A 0 MX	🔓 Insecure
2026-09-28 00:46:41	3000ms	4 NS 1 A 0 MX	🔓 Insecure
2026-08-22 04:52:19 shown	3911ms	4 NS 1 A 0 MX	🔓 Insecure
2026-07-30 11:03:14	1504ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-21 15:24:12	817ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-25 09:14:18	852ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 04:50:19	447ms	2 NS 2 A 0 MX	🔓 Insecure