`smtp.qprolab.com`

DNSSEC	⚠️ Not signed
A	217.216.40.43^{🇪🇸 CONTABO-USA217.216.40.0/21}
		PTR	`smtp.qprolab.com`
TXT	`v=spf1 include:spf.qprolab.com ~all`

`qprolab.com`

	DNSSEC	⚠️ Not signed
	NS	`art.ns.cloudflare.com` ⭐
	NS	`rosemary.ns.cloudflare.com`
	MX	`mail.qprolab.com` ⭐
	TXT	`v=spf1 include:spf.qprolab.com ~all`
	SOA	`art.ns.cloudflare.com`dns@cloudflare.com serial=2399952894

PTR for

43.40.216.217.in-addr.arpa

Same first word

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stmp.ca

tspm.co.uk

pmts.dyndns.info

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
qprolab.com	art.ns.cloudflare.com, rosemary.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.77

NS records: art.ns.cloudflare.com, rosemary.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 671ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.216.40.43`
TXT	1	`v=spf1 include:spf.qprolab.com ~all`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (art.ns.cloudflare.com, art.ns.cloudflare.com, art.ns.cloudflare.com...)

Analysis

IP Addresses

smtp.qprolab.com resolves to one IP number: 217.216.40.43.

Other host names such as mail.qprolab.com and mail.qualproconsulting.com share IP numbers with smtp.qprolab.com.

smtp.qprolab.com - robtex.com

smtp.qprolab.com

qprolab.com