🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`builtbyconstruct.com`

DNSSEC	⚠️ Not signed
A	2600:4c00:300:7f::1d4^{🇺🇸 PRIVATESYSTEMS2600:4c00:200::/39}
A	170.249.236.235^{🇺🇸 PRIVATESYSTEMS170.249.236.0/22}
NS	`cp1.privatesystems.net` ⭐
		A	2600:4c00:80:11::1^{🇺🇸 PRIVATESYSTEMS2600:4c00:80::/41}
		A	158.106.136.90^{🇺🇸 PRIVATESYSTEMS158.106.136.0/21 PrivateSystems Networks TX}
			PTR	`cp1.privatesystems.net`
NS	`cp2.privatesystems.net`
		A	2600:4c00:509:731::a^{🇺🇸 PRIVATESYSTEMS2600:4c00:500::/40 IPv6 subnet at SEF003}
		A	108.160.157.7^{🇺🇸 PRIVATESYSTEMS108.160.156.0/22 PrivateSystems Networks WA}
			PTR	`cp2.privatesystems.net`
NS	`cp3.privatesystems.net`
		A	2600:4c00:80:9::1^{🇺🇸 PRIVATESYSTEMS2600:4c00:80::/41}
		A	158.106.136.36^{🇺🇸 PRIVATESYSTEMS158.106.136.0/21 PrivateSystems Networks TX}
NS	`cp4.privatesystems.net`
		A	2600:4c00:80:11::1^{🇺🇸 PRIVATESYSTEMS2600:4c00:80::/41}
		A	158.106.136.90^{🇺🇸 PRIVATESYSTEMS158.106.136.0/21 PrivateSystems Networks TX}
			PTR	`cp1.privatesystems.net`
MX	`builtbyconstruct.com` ⭐
		A	2600:4c00:300:7f::1d4^{🇺🇸 PRIVATESYSTEMS2600:4c00:200::/39}
		A	170.249.236.235^{🇺🇸 PRIVATESYSTEMS170.249.236.0/22}
			PTR	`cp19-ga.privatesystems.net`
TXT	`v=spf1 ip4:170.249.236.235 +a +mx ~all`
SOA	`cp1.privatesystems.net`mjaffe@me.com 2026-10-09 #1

`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=1794211836

MX for

builtbyconstruct.com

Same first word

builtbyconstruct.com

Previous names

Next names

DNS History

12 records (7 active, 5 former)

●NScp1.privatesystems.net2026-10-09 → 2026-11-09 · 3 obs

○ 2016-12-18 12:45:46
● 2026-10-09 16:45:22
● 2026-11-09 08:46:32

●NScp2.privatesystems.net2026-10-09 → 2026-11-09 · 3 obs

○ 2016-12-18 12:45:46
● 2026-10-09 16:45:22
● 2026-11-09 08:46:32

●NScp3.privatesystems.net2026-10-09 → 2026-11-09 · 3 obs

○ 2016-12-18 12:45:46
● 2026-10-09 16:45:22
● 2026-11-09 08:46:32

●NScp4.privatesystems.net2026-10-09 → 2026-11-09 · 3 obs

○ 2016-12-18 12:45:46
● 2026-10-09 16:45:22
● 2026-11-09 08:46:32

○NSns09.domaincontrol.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 12:45:46
○ 2026-10-09 16:45:22
○ 2026-11-09 08:46:32

○NSns10.domaincontrol.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 12:45:46
○ 2026-10-09 16:45:22
○ 2026-11-09 08:46:32

●MXbuiltbyconstruct.com2026-10-09 → 2026-11-09 · 3 obs

○ 2016-12-18 12:45:46
● 2026-10-09 16:45:22
● 2026-11-09 08:46:32

○MXmailstore1.secureserver.net2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 12:45:46
○ 2026-10-09 16:45:22
○ 2026-11-09 08:46:32

○MXsmtp.secureserver.net2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 12:45:46
○ 2026-10-09 16:45:22
○ 2026-11-09 08:46:32

●A170.249.236.2352026-10-09 → 2026-11-09 · 3 obs

○ 2016-12-18 12:45:46
● 2026-10-09 16:45:22
● 2026-11-09 08:46:32

●A2600:4c00:300:7f::1d42026-10-09 → 2026-11-09 · 3 obs

○ 2016-12-18 12:45:46
● 2026-10-09 16:45:22
● 2026-11-09 08:46:32

○A50.63.202.222016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 12:45:46
○ 2026-10-09 16:45:22
○ 2026-11-09 08:46:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
builtbyconstruct.com	cp1.privatesystems.net, cp2.privatesystems.net, cp3.privatesystems.net, cp4.privatesystems.net	-

✅ Authoritative Response

Server:158.106.136.90

NS records: cp1.privatesystems.net, cp2.privatesystems.net, cp3.privatesystems.net, cp4.privatesystems.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for builtbyconstruct.com (unsigned zone)

⏱️ Timing

Total: 1051ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`170.249.236.235`
AAAA	1	`2600:4c00:300:7f::1d4`
NS	4	`cp1.privatesystems.net, cp2.privatesystems.net...`
MX	1	`builtbyconstruct.com (pri: 0)`
TXT	1	`v=spf1 ip4:170.249.236.235 +a +mx ~all`
SOA	1	`cp1.privatesystems.net mjaffe.me.com`

Analysis

Mail Server Role

builtbyconstruct.com handles its own mail, functioning as its own mail server.

IP Addresses

builtbyconstruct.com has two IP addresses: 170.249.236.235 and 2600:4c00:300:7f::1d4

Two other host names, along with cpanel.enteratehoy.com.mx, truekinship.com and scibox.net, also share IP numbers with builtbyconstruct.com.

Name Servers

The NS records for builtbyconstruct.com point to four name servers: cp1.privatesystems.net, cp2.privatesystems.net, cp3.privatesystems.net and cp4.privatesystems.net.

At least some of builtbyconstruct.com's name servers are shared with other domains, for example janmanzer.com, ecep-tech.com, qwertyu.com and two more.

These four hostnames each have two IP addresses. cp1.privatesystems.net → 158.106.136.90 and 2600:4c00:80:11::1. cp2.privatesystems.net → 108.160.157.7 and 2600:4c00:509:731::a. cp3.privatesystems.net → 158.106.136.36 and 2600:4c00:80:9::1. cp4.privatesystems.net → 158.106.136.90 and 2600:4c00:80:11::1. cp1.privatesystems.net and cp4.privatesystems.net point to identical addresses.

Host names pointing to 2600:4c00:80:11::1 IP addresses: cp1.privatesystems.net and cp4.privatesystems.net.

Host names pointing to 158.106.136.90 IP addresses: cp1.privatesystems.net and cp4.privatesystems.net.

Mail Servers

builtbyconstruct.com is served by just one mail server: builtbyconstruct.com.

builtbyconstruct.com directs to two IP numbers, 170.249.236.235 and 2600:4c00:300:7f::1d4.

builtbyconstruct.com - robtex.com