constructel.dk DNS records

🖥️ Nameservers3 records 94ms

Nameserver	IP addresses	PTR	ASN / ISP
grupovisa.grupovisabeira.pt	194.65.74.130	fw.grupovisabeira.pt	AS3243 Servicos De Comunicacoes E Multimedia S.A.
grupovisa2.grupovisabeira.pt	193.37.153.70	grupovisa2.grupovisabeira.pt	AS41345 Visabeira PRO SA
gvexternaldnsstage.grupovisabeira.pt	194.65.74.130	fw.grupovisabeira.pt	AS3243 Servicos De Comunicacoes E Multimedia S.A.

🌍 A Records1 records 101ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
135.236.100.162	3600s	—	AS8075	Microsoft Corporation	135.224.0.0/12	🇬🇧 United Kingdom	—

📧 MX Records1 records 94ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	constructel-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::7 2a01:111:f403:ca09::e 2a01:111:f403:ca09::f 52.101.68.29 52.101.68.3 52.101.73.16 52.101.73.28	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.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

📝 TXT Records2 records 614ms

TXT Record
MS=ms52382050
v=spf1 ip4:194.65.74.129 ip4:194.65.74.131 ip4:193.37.153.37 ip4:193.37.153.81 ip4:194.65.74.133 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (constructel.dk)
-all (hard fail)	v=spf1 ip4:194.65.74.129 ip4:194.65.74.131 ip4:193.37.153.37 ip4:193.37.153.81 ip4:194.65.74.133 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.constructel.dk)
p=reject	v=DMARC1;p=reject;adkim=r;aspf=r;pct=100;rua=mailto:dmarc@constructel.dk

📬 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)

🔐 DNSSEC9097ms

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	38
Primary NS (MNAME)	grupovisa.grupovisabeira.pt
Responsible (RNAME)	hostmaster@grupovisabeira.pt
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

94ms

A

101ms

MX

94ms

AAAA

110ms

TXT

614ms

CAA

83ms

HTTPS

100ms

TLSA

316ms

SOA

0ms

MTA-STS

173ms

DNSSEC

9097ms

SRV

174ms

Total

11061ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 22:18:47	11061ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 22:23:34	2268ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 22:06:01	3389ms	3 NS 1 A 1 MX	🔓 Insecure	View