`mail.qualidade21.com`

DNSSEC	⚠️ Not signed
A	50.87.235.85^{🇺🇸 EIGI50.87.0.0/16 Unified Layer}
		PTR	`box2419.bluehost.com`

`qualidade21.com`

	DNSSEC	⚠️ Not signed
	A	85.240.120.228^{🇵🇹 MEO-RESIDENCIAL85.240.0.0/13 PT Comunicacoes S.A.}
	NS	`ns1.dynu.com` ⭐
	NS	`ns2.dynu.com`
	NS	`ns3.dynu.com`
	NS	`ns4.dynu.com`
	NS	`ns5.dynu.com` ⚠️ Not in parent delegation
	NS	`ns6.dynu.com` ⚠️ Not in parent delegation
	MX	`mail.qualidade21.com` ⭐
	TXT	`v=spf1 include:zoho.com a mx include:websitewelcome.com ~all`
	TXT	`google-site-verification=z-yAzsa6J4Jh-yZPTWDBVo3w541z1al1hYwUkyuxO2U`
	SOA	`ns1.dynu.com`administrator@dynu.com serial=856

WOT: SAFE (64/100)
WOT: UNKNOWN (81/100)

MX for

qualidade21.com

Same first word

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DNS History

2 records (1 active, 1 former)

●A50.87.235.852026-03-23 → 2026-03-24 · 3 obs

○ 2016-10-04 23:35:22
● 2026-03-23 21:22:30
● 2026-03-24 04:25:34

○A66.147.244.562015-08-21 → 2016-10-04 · 4 obs

● 2015-08-21 05:17:02
● 2016-10-04 23:35:22
○ 2026-03-23 21:22:30
○ 2026-03-24 04:25:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
qualidade21.com	ns1.dynu.com, ns2.dynu.com, ns3.dynu.com, ns4.dynu.com	7 records

✅ Authoritative Response

Server:108.181.159.122

NS records: ns1.dynu.com, ns2.dynu.com, ns3.dynu.com, ns4.dynu.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qualidade21.com (unsigned zone)

⏱️ Timing

Total: 278ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.87.235.85`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (ns1.dynu.com, ns2.dynu.com, ns2.dynu.com...)

Analysis

Mail Server Role

mail.qualidade21.com serves as the mail server for qualidade21.com.

IP Addresses

mail.qualidade21.com points to a single IP address: 50.87.235.85.

Other host names such as mail.whouse.mx, mail.voglerrangehoods.com, mail.streetcouch.com, mail.comercialagropecuaria.mx and q21.pt share IP numbers with mail.qualidade21.com.

mail.qualidade21.com - robtex.com