`fourstarbuilders.com`

DNSSEC	⚠️ Not signed
A	192.163.237.139^{🇺🇸 EIGI192.163.192.0/18 Unified Layer}
		PTR	`ons.onsitenj.com`
NS	`ns1.onsitenj.com` ⭐
		A	192.163.237.139^{🇺🇸 EIGI192.163.192.0/18 Unified Layer}
			PTR	`ons.onsitenj.com`
NS	`ns2.onsitenj.com`
		A	192.163.238.171^{🇺🇸 EIGI192.163.192.0/18 Unified Layer}
			PTR	`ip5.onsitenj.com`
MX	`fourstarbuilders-com.mx1.arsmtp.com` ⭐
		A	8.31.233.84^{🇺🇸 APPRI-18.31.233.0/24 AppRiver, LLC 1101 Gulf Breeze Parkway Gulf Breeze, FL 32561 US}
			PTR	`server228.appriver.com`
MX	`fourstarbuilders-com.mx2.arsmtp.com`⁽²⁰⁾
		A	8.19.118.171^{🇺🇸 AS133808.19.118.0/24 AppRiver, LLC 1101 Gulf Breeze Parkway Gulf Breeze, FL 32561 US}
			PTR	`server229.appriver.com`
TXT	`v=spf1 a mx IP4:192.163.237.139 -all`
SOA	`ns1.onsitenj.com`dave@onsitenj.com serial=1743885568

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778646136

Subdomains

mail.fourstarbuilders.com

DNS History

8 records (5 active, 3 former)

●NSns1.onsitenj.com2015-07-13 → 2026-05-13 · 2 obs

● 2015-07-13 00:23:10
● 2026-05-13 04:32:06

●NSns2.onsitenj.com2015-07-13 → 2026-05-13 · 2 obs

● 2015-07-13 00:23:10
● 2026-05-13 04:32:06

●MXfourstarbuilders-com.mx1.arsmtp.com2026-05-13 → 2026-05-13 · 3 obs

○ 2017-08-09 03:08:04
● 2026-05-13 04:32:02
● 2026-05-13 04:32:06

●MXfourstarbuilders-com.mx2.arsmtp.com2026-05-13 → 2026-05-13 · 3 obs

○ 2017-08-09 03:08:04
● 2026-05-13 04:32:02
● 2026-05-13 04:32:06

○MXfourstarbuilders-com.relay1g.spamh.com2015-07-13 → 2017-08-09 · 4 obs

● 2015-07-13 00:23:10
● 2017-08-09 03:08:04
○ 2026-05-13 04:32:02
○ 2026-05-13 04:32:06

○MXfourstarbuilders-com.relay1h.spamh.com2015-07-13 → 2017-08-09 · 4 obs

● 2015-07-13 00:23:10
● 2017-08-09 03:08:04
○ 2026-05-13 04:32:02
○ 2026-05-13 04:32:06

○MXfourstarbuilders-com.relay1i.spamh.com2015-07-13 → 2017-08-09 · 4 obs

● 2015-07-13 00:23:10
● 2017-08-09 03:08:04
○ 2026-05-13 04:32:02
○ 2026-05-13 04:32:06

●A192.163.237.1392015-07-13 → 2026-05-13 · 2 obs

● 2015-07-13 00:23:10
● 2026-05-13 04:32:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
fourstarbuilders.com	ns1.onsitenj.com, ns2.onsitenj.com	2 records

✅ Authoritative Response

Server:192.163.237.139

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fourstarbuilders.com (unsigned zone)

⏱️ Timing

Total: 578ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.163.237.139`
NS	2	`ns1.onsitenj.com, ns2.onsitenj.com`
MX	2	`fourstarbuilders-com.mx2.arsmtp.com (pri, fourstarbuilders-com.mx1.arsmtp.com (pri`
TXT	1	`v=spf1 a mx IP4:192.163.237.139 -all`
SOA	1	`ns1.onsitenj.com dave.onsitenj.com`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

fourstarbuilders.com is a parent of mail.fourstarbuilders.com.

IP Addresses

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

Other host names, for instance mail.barterdepot.com, mail.tropicaltan.com, mail.fourstarbuilders.com, fnjtolls.com and thematteos.com share IP numbers with fourstarbuilders.com.

Name Servers

Delegation for fourstarbuilders.com rests with two name servers, ns1.onsitenj.com and ns2.onsitenj.com.

fourstarbuilders.com shares the same name server setup as other domains, including gardenstateparkway.com, thermo-graphics.com, mtipm.com, justbud.com and sdmc-nj.com.

fourstarbuilders.com partially shares name servers with other domains; for instance onsitecomputer.us, jpentzrealtors.com and thematteos.com.

These name servers are commonly used with ns1.onsitecomputer.us and ns2.onsitecomputer.us.

Host names with one IP number: ns1.onsitenj.com points to 192.163.237.139; ns2.onsitenj.com points to 192.163.238.171.

Mail Servers

fourstarbuilders.com is handled by two mail servers: fourstarbuilders-com.mx1.arsmtp.com and fourstarbuilders-com.mx2.arsmtp.com.

Host names with one IP number: fourstarbuilders-com.mx1.arsmtp.com points to 8.31.233.84; fourstarbuilders-com.mx2.arsmtp.com points to 8.19.118.171.

fourstarbuilders.com - robtex.com