dtdcrew.dk DNS records

🖥️ Nameservers4 records 255ms

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 Records1 records 207ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.17	600s	splash.dandomain.dk	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 279ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dtdcrew-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 2a01:111:f403:ca09::8 52.101.68.15 52.101.68.27 52.101.73.16 52.101.73.4	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 349ms

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

📝 TXT Records5 records 689ms

TXT Record
MS=ms37820413
MS=ms93725212
notion-domain-verification=t9uLH8FDMxcHwNzXC69XKX4wHPs3PFe6oCsWmDVYPF9
slack-domain-verification=W8zWqxAnnVmLGme0fwRJ1bDbV2l1dkrcFIQ3WDuI
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (dtdcrew.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.dtdcrew.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc@superstruct.uriports.com,mailto:f9a4e202c7b64d1a841103d3fd666d88@dmarc-reports.cloudflare.net; ruf=mailto:dmarc@superstruct.uriports.com; fo=1:d:s

📬 MTA-STS619ms

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)

🔐 DNSSEC501ms

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

255ms

A

207ms

MX

279ms

AAAA

276ms

TXT

689ms

CAA

219ms

HTTPS

278ms

TLSA

771ms

SOA

0ms

MTA-STS

619ms

DNSSEC

501ms

SRV

349ms

Total

13715ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 11:15:15	13715ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-12 11:35:36	2695ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-22 18:51:23	10677ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-30 18:24:50	1113ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 04:50:09	2703ms	2 NS 2 A 1 MX	🔓 Insecure	View