`ns1.opensolutions.pt`

	DNSSEC	⚠️ Not signed
	A	91.209.16.142^{🇵🇹 NETUREZA91.209.16.0/24}

`opensolutions.pt`

	DNSSEC	🔒 Signed (DS record present)
	A	91.209.16.149^{🇵🇹 NETUREZA91.209.16.0/24}
	NS	`ns1.opensolutions.pt` ⭐
	NS	`ns.opensolutions.pt`
	MX	`mail.opensolutions.pt` ⭐
	TXT	`v=spf1 a mx a:mail.opensolutions.pt ip4:91.209.16.136 ~all`
	TXT	`google-site-verification=oSYXvu10rSXJoHwqsVIISATFyZvtZAMwx0hMCz0LnNc`
	TXT	`MS=ms74145788`
	TXT	`MS=856F8AB4CAB53BA10D8B5B6FF92E70EBC25036B3`
	SOA	`ns.opensolutions.pt`hostmaster@opensolutions.pt 2020-12-23 #40

WOT: SAFE (60/100)

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DNS History

1 record (1 active, 0 former)

●A91.209.16.1422026-02-17 → 2026-04-14 · 2 obs

● 2026-02-17 15:43:54
● 2026-04-14 03:59:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt...	18 records
opensolutions.pt	ns.opensolutions.pt, ns1.opensolutions.pt	2 records

✅ Authoritative Response

Server:91.209.16.142

NS records: ns.opensolutions.pt, ns1.opensolutions.pt

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 729ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.209.16.142`

📌 Glue Records Collected

Total: 20

In-bailiwick: 16 (a.dns.pt, a.dns.pt, b.dns.pt...)

Out-of-bailiwick: 4 (ns.dns.br, ns.dns.br, ns2.nic.fr...)

Analysis

Name Server Role

The name server ns1.opensolutions.pt handles ahbva.pt, valverdehotel.pt, movex.pt, flatw.pt, movexangola.com and a few other domains.

ns.opensolutions.pt is a name server commonly used with ns1.opensolutions.pt.

IP Addresses

ns1.opensolutions.pt points to a single IP: 91.209.16.142.

ns1.opensolutions.pt - robtex.com