dtdgroup.dk

📜 Historical scan 2026-08-21 22:55:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dtdgroup.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 141.193.213.10 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by dtdgroup-dk.mail.protection.outlook.com. 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 237ms

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#

2 records 213ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.193.213.10	300s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—
141.193.213.11	300s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 263ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dtdgroup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.18 52.101.68.8 52.101.73.6	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 346ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

7 records 790ms

TXT Record
airtable-verification=7f99916b2c8217a8480fc00688218770
anthropic-domain-verification-w005bx=ZYWEqsgotm5mOIyvhCGf1iV8p
box-domain-verification=4633fc59ec97f93156d278b2c51b95b485d98ef3177ee5a71e52a5fe0b8b15bf
google-site-verification=w_vUDOb176qT0CjtB_UCda2bSbqVfwOn67N6Wtn1Z8g
MS=ms84886022
slack-domain-verification=ZQLTKc0PeQksWB90nrowkV06e5goeXEk349KXh5P
v=spf1 mx include:servers.mcsv.net include:spf.mandrillapp.com include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (dtdgroup.dk)
~all (soft fail)	v=spf1 mx include:servers.mcsv.net include:spf.mandrillapp.com include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.dtdgroup.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc@superstruct.uriports.com; ruf=mailto:dmarc@superstruct.uriports.com;

📬 MTA-STS#

711ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20260130000000Z
max_age	604800s
Policy MX	*.mail.protection.outlook.com

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@superstruct.uriports.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 03:06:46

www CNAME	wp.wpenginepowered.com (all on wpenginepowered.com) → 141.193.213.10 141.193.213.11 (AS209242)
www vs bare domain	Same network dtdgroup.dk: 141.193.213.10 141.193.213.11 (AS209242) www.dtdgroup.dk: 141.193.213.10 141.193.213.11 (AS209242)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-dtdgroup-dk._domainkey.superstruct.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

599ms

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#

237ms

213ms

263ms

AAAA

286ms

TXT

790ms

CAA

204ms

HTTPS

220ms

TLSA

1073ms

SOA

0ms

MTA-STS

711ms

DNSSEC

599ms

SRV

346ms

Total

7855ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 17:12:51	12596ms	4 NS 2 A 1 MX	🔓 Insecure
2026-09-03 04:30:28	4368ms	4 NS 2 A 1 MX	🔓 Insecure
2026-08-21 22:55:45 shown	7855ms	4 NS 2 A 1 MX	🔓 Insecure
2026-08-11 15:36:32	1321ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-10 06:30:42	2630ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 23:59:31	2423ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 21:12:44	4712ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 18:21:22	1148ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 10:36:32	1914ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 22:44:58	1159ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 04:51:04	1441ms	2 NS 2 A 1 MX	🔓 Insecure