`mailserver3.dca.nl`

	DNSSEC	⚠️ Not signed
	A	185.50.174.34^{🇳🇱 MOBITION-AS185.50.172.0/22}

`dca.nl`

	DNSSEC	🔒 Signed (DS record present)
	A	185.50.174.41^{🇳🇱 MOBITION-AS185.50.172.0/22}
	NS	`ns1.flexwebhosting.nl` ⭐
	NS	`ns2.flexwebhosting.nl`
	NS	`ns3.flexwebhosting.com`
	MX	`dca-nl.mail.protection.outlook.com` ⭐
	TXT	`ms=ms62207885`
	TXT	`Sendinblue-code:c36faa0808b5611b356927dd2c83a926`
	TXT	`v=spf1 ip4:185.50.174.41 ip4:185.50.174.33 ip4:185.50.174.34 ip4:185.50.174.4...`
	SOA	`ns1.flexwebhosting.nl`hostmaster@dca.nl serial=2100000779

⚠️ On DNS blocklist: pro.plus, ultimate

PTR for

40.174.50.185.in-addr.arpa

Same first word

mailserver3.com

DNS History

1 record (1 active, 0 former)

●A185.50.174.342026-03-25 → 2026-07-11 · 2 obs

● 2026-03-25 12:59:18
● 2026-07-11 16:45:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
dca.nl	ns1.flexwebhosting.nl, ns2.flexwebhosting.nl, ns3.flexwebhosting.com	4 records

✅ Authoritative Response

Server:62.84.243.10

NS records: ns1.flexwebhosting.nl, ns2.flexwebhosting.nl, ns3.flexwebhosting.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 993ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.50.174.34`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.flexwebhosting.nl, ns1.flexwebhosting.nl, ns2.flexwebhosting.nl...)

Analysis

IP Addresses

mailserver3.dca.nl resolves to one IP address: 185.50.174.34.

Additional host names — including server2.dca.nl and mailserver1b.dca.nl — share IP numbers with mailserver3.dca.nl.

mailserver3.dca.nl - robtex.com