`mail.fourstarbuilders.com`

DNSSEC	⚠️ Not signed
A	192.163.237.139^{🇺🇸 EIGI192.163.192.0/18 Unified Layer}
		PTR	`ons.onsitenj.com`

`fourstarbuilders.com`

	DNSSEC	⚠️ Not signed
	A	192.163.237.139^{🇺🇸 EIGI192.163.192.0/18 Unified Layer}
	NS	`ns1.onsitenj.com` ⭐
	NS	`ns2.onsitenj.com`
	MX	`fourstarbuilders-com.mx1.arsmtp.com` ⭐
	MX	`fourstarbuilders-com.mx2.arsmtp.com`⁽²⁰⁾
	TXT	`v=spf1 a mx IP4:192.163.237.139 -all`
	SOA	`ns1.onsitenj.com`dave@onsitenj.com serial=1743885568

Same first word

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DNS History

1 record (1 active, 0 former)

●A192.163.237.1392015-05-19 → 2026-05-13 · 2 obs

● 2015-05-19 14:57:08
● 2026-05-13 11:35:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...	-
fourstarbuilders.com	ns1.onsitenj.com, ns2.onsitenj.com	2 records

✅ Authoritative Response

Server:192.163.238.171

NS records: ns1.onsitenj.com, ns2.onsitenj.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fourstarbuilders.com (unsigned zone)

⏱️ Timing

Total: 339ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.163.237.139`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.onsitenj.com, ns2.onsitenj.com)

Analysis

IP Addresses

mail.fourstarbuilders.com points to a single IP number: 192.163.237.139.

Other host names, for instance thematteos.com, pop.onsitenj.com, mail.alldanny.com, ns1.thematteos.com and mail.tommanni.com share IP numbers with mail.fourstarbuilders.com.

mail.fourstarbuilders.com - robtex.com