`1constructiongroup.com`

DNSSEC	⚠️ Not signed
A	13.248.243.5^{🇺🇸 Amazon13.248.240.0/20}
		PTR	`a16e665f42988324c.awsglobalaccelerator.com`
A	76.223.105.230^{🇺🇸 Amazon76.223.96.0/20}
NS	`ns07.domaincontrol.com` ⭐
		A	2603:5:2170::4^{🇺🇸 GODADDY-DNS2603:5:2170::/44}
			PTR	`ns07.domaincontrol.com`
		A	97.74.103.4^{🇺🇸 GODADDY-DNS97.74.102.0/23}
			PTR	`ns07.domaincontrol.com`
NS	`ns08.domaincontrol.com`
		A	2603:5:2270::4^{🇺🇸 GODADDY-DNS2603:5:2270::/44}
			PTR	`ns08.domaincontrol.com`
		A	173.201.71.4^{🇺🇸 GODADDY-DNS173.201.70.0/23}
			PTR	`ns08.domaincontrol.com`
MX	`mx1-usg2.ppe-hosted.com` ⭐
		A	98.85.123.215^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`mx1-usg2.ppe-hosted.com`
MX	`mx2-usg2.ppe-hosted.com` ⭐
		A	23.21.114.81^{🇺🇸 Amazon23.20.0.0/15 EC2 IAD prefix}
			PTR	`mx2-usg2.ppe-hosted.com`
MX	`mx3-usg2.ppe-hosted.com` ⭐
		A	34.231.165.252^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`mx3-usg2.ppe-hosted.com`
TXT	`MS=ms16477805`
TXT	`v=spf1 include:_spf-usg2.ppe-hosted.com include:secureserver.net ~all`
SOA	`ns07.domaincontrol.com`dns@jomax.net 2025-11-29 #0

`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=1771291435

Same first word

1constructiongroup.com

Similar names

group1construction.com

DNS History

14 records (7 active, 7 former)

●NSns07.domaincontrol.com2016-06-20 → 2026-03-16 · 3 obs

○ 2016-02-26 11:27:02
● 2016-06-20 11:19:50
● 2026-03-16 12:32:50

●NSns08.domaincontrol.com2016-06-20 → 2026-03-16 · 3 obs

○ 2016-02-26 11:27:02
● 2016-06-20 11:19:50
● 2026-03-16 12:32:50

○NSns1.fatcow.com2015-07-20 → 2016-02-26 · 5 obs

○ 2008-11-29 04:12:28
● 2015-07-20 05:07:58
● 2016-02-26 11:27:02
○ 2016-06-20 11:19:50
○ 2026-03-16 12:32:50

○NSns2.fatcow.com2015-07-20 → 2016-02-26 · 5 obs

○ 2008-11-29 04:12:28
● 2015-07-20 05:07:58
● 2016-02-26 11:27:02
○ 2016-06-20 11:19:50
○ 2026-03-16 12:32:50

○MX1constructiongroup-com.mail.protection.outlook.com2016-06-20 → 2017-03-11 · 5 obs

○ 2016-02-26 11:27:02
● 2016-06-20 11:19:50
● 2017-03-11 20:36:44
○ 2026-03-16 07:47:14
○ 2026-03-16 12:32:50

○MXmx.1constructiongroup.com2015-07-20 → 2016-02-26 · 5 obs

○ 2008-11-29 04:12:28
● 2015-07-20 05:07:58
● 2016-02-26 11:27:02
○ 2016-06-20 11:19:50
○ 2026-03-16 12:32:50

●MXmx1-usg2.ppe-hosted.com2026-03-16 → 2026-03-16 · 3 obs

○ 2017-03-11 20:36:44
● 2026-03-16 07:47:14
● 2026-03-16 12:32:50

●MXmx2-usg2.ppe-hosted.com2026-03-16 → 2026-03-16 · 3 obs

○ 2017-03-11 20:36:44
● 2026-03-16 07:47:14
● 2026-03-16 12:32:50

●MXmx3-usg2.ppe-hosted.com2026-03-16 → 2026-03-16 · 3 obs

○ 2017-03-11 20:36:44
● 2026-03-16 07:47:14
● 2026-03-16 12:32:50

●A13.248.243.52026-03-16 → 2026-03-16 · 3 obs

○ 2017-03-11 20:36:44
● 2026-03-16 07:47:14
● 2026-03-16 12:32:50

○A160.153.136.32017-03-11 → 2017-03-11 · 4 obs

○ 2016-06-20 11:19:50
● 2017-03-11 20:36:44
○ 2026-03-16 07:47:14
○ 2026-03-16 12:32:50

○A184.168.221.342016-06-20 → 2016-06-20 · 4 obs

○ 2016-02-26 11:27:02
● 2016-06-20 11:19:50
○ 2017-03-11 20:36:44
○ 2026-03-16 12:32:50

○A65.254.248.1792015-07-20 → 2016-02-26 · 5 obs

○ 2008-11-29 04:12:28
● 2015-07-20 05:07:58
● 2016-02-26 11:27:02
○ 2016-06-20 11:19:50
○ 2026-03-16 12:32:50

●A76.223.105.2302026-03-16 → 2026-03-16 · 3 obs

○ 2017-03-11 20:36:44
● 2026-03-16 07:47:14
● 2026-03-16 12:32:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net...	-
1constructiongroup.com	ns07.domaincontrol.com, ns08.domaincontrol.com	4 records

✅ Authoritative Response

Server: 97.74.103.4

NS records: ns07.domaincontrol.com, ns08.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1constructiongroup.com (unsigned zone)

⏱️ Timing

Total: 363ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.105.230, 13.248.243.5`
NS	2	`ns07.domaincontrol.com, ns08.domaincontrol.com`
MX	3	`mx1-usg2.ppe-hosted.com (pri: 0), mx2-usg2.ppe-hosted.com (pri: 0)...`
TXT	2	`MS=ms16477805, v=spf1 include:_spf-usg2.ppe-hosted.com`
SOA	1	`ns07.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns07.domaincontrol.com, ns07.domaincontrol.com, ns08.domaincontrol.com...)

Analysis

IP Addresses

Two IP numbers are pointed to by 1constructiongroup.com: 13.248.243.5 and 76.223.105.230.

other host names include lamexicanarestaurants.com, d(0x616e616c)andry.com, soimagine.net, bullseyeappraisalservices.com and americanrobot.com; they share IP numbers with 1constructiongroup.com.

Name Servers

Two name servers ns07.domaincontrol.com and ns08.domaincontrol.com handle the delegation for 1constructiongroup.com.

1constructiongroup.com shares the same name server setup as other domains, for instance x11web.com, dentonmhmr.org, igotrates.net, wyomissingparealestate.com and nutricovery.com.

Host names with two IP numbers:

ns07.domaincontrol.com points to 2603:5:2170::4 and 97.74.103.4.

ns08.domaincontrol.com points to 2603:5:2270::4 and 173.201.71.4.

Mail Servers

Three mail servers handle 1constructiongroup.com: mx1-usg2.ppe-hosted.com, mx2-usg2.ppe-hosted.com and mx3-usg2.ppe-hosted.com.

1constructiongroup.com shares at least partially some mail servers with other domains, for instance myecfs.com, admanagement.work, oflexco.com, ttrpanel.com and hautelawyer.com.

Host names with one IP:

mx1-usg2.ppe-hosted.com points to 98.85.123.215; mx2-usg2.ppe-hosted.com points to 23.21.114.81; mx3-usg2.ppe-hosted.com points to 34.231.165.252.

1constructiongroup.com - robtex.com