dtdgroup.dk DNS records

🖥️ Nameservers4 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 Records2 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 Records1 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 Records1 records 346ms

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

📝 TXT Records7 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-STS711ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC599ms

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

🏷️ SOA0ms

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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

237ms

A

213ms

MX

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