cnbt.dk DNS records

🖥️ Nameservers2 records 72ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.empis.pt	185.32.188.85	cloud.empis.pt	AS62416 Sampling Line-servicos E Internet, Lda
ns2.empis.pt	185.32.189.40	ns2.empis.pt	AS62416 Sampling Line-servicos E Internet, Lda

🌍 A Records1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.240.132.67	14400s	svrdc.tecnibuild.com	AS15525	Servicos De Comunicacoes E Multimedia S.A.	83.240.128.0/17	🇵🇹 Portugal	—

📧 MX Records1 records 72ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cnbt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::6 2a01:111:f403:ca04::c 2a01:111:f403:ca09::1 52.101.73.24 52.101.73.4 52.101.73.6 52.101.73.8	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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 Records2 records 530ms

TXT Record
MS=ms18077759
v=spf1 ip4:185.32.188.85 include:_spf.ptservidor.net include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cnbt.dk)
-all (hard fail)	v=spf1 ip4:185.32.188.85 include:_spf.ptservidor.net include:spf.protection.outlook.com -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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.cnbt.dk	McFXpCXKZlGO_ev-ysP7wCBZuaOwTY5A1sdJjAp5FT0

🔗 TLSA / DANE

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

🔐 DNSSEC9058ms

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	2026072403
Primary NS (MNAME)	ns1.empis.pt
Responsible (RNAME)	servidores@ptservidor.pt
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

72ms

A

71ms

MX

72ms

AAAA

60ms

TXT

530ms

CAA

72ms

HTTPS

73ms

TLSA

387ms

SOA

0ms

MTA-STS

125ms

DNSSEC

9058ms

SRV

120ms

Total

11136ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-24 17:45:09	11136ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 07:43:33	2915ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 01:59:44	3687ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 11:59:40	4761ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 21:33:28	1080ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 11:52:34	1166ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:59:47	65535ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 21:46:17	2244ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 21:31:21	1200ms	2 NS 1 A 1 MX	🔓 Insecure	View