tcttransport.dk DNS records

🖥️ Nameservers4 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records4 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.185.159.144	1800s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	New York
198.185.159.145	1800s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	—
198.49.23.144	1800s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—
198.49.23.145	1800s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—

📧 MX Records1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tcttransport-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 2a01:111:f403:ca09::e 2a01:111:f403:ca48::12 52.101.68.21 52.101.68.8 52.101.73.30 52.101.73.6	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr05cu00306.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

📝 TXT Records3 records 197ms

TXT Record
MS=ms70920967
mscid=7VKpCXPXyt8gQbqalpVfI0OwUzfdQwKMYSXZ1RBSwnwhsC1ewHZujZyLHrSc+i8yvMwauXqj9vdTijHei6x6YQ==
v=spf1 ip4:80.162.41.11 include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all

✉️ SPF

Policy	Record (tcttransport.dk)
-all (hard fail)	v=spf1 ip4:80.162.41.11 include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

50ms

A

55ms

MX

53ms

AAAA

58ms

TXT

197ms

CAA

56ms

HTTPS

50ms

TLSA

345ms

SOA

0ms

MTA-STS

67ms

DNSSEC

95ms

SRV

74ms

Total

1048ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 01:01:45	1048ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-08-25 12:05:10	3369ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-25 17:19:54	934ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-21 20:35:14	3713ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-21 19:34:26	1096ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 12:06:48	1077ms	4 NS 4 A 1 MX	🔓 Insecure	View