constr.dev - dns.ninja

`constr.dev`

DNSSEC	⚠️ Not signed
NS	`melinda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ac6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melinda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melinda.ns.cloudflare.com`
		A	108.162.192.198^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	172.64.32.198^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	173.245.58.198^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
NS	`mustafa.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c1b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mustafa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c31b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mustafa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:231b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mustafa.ns.cloudflare.com`
		A	108.162.195.27^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mustafa.ns.cloudflare.com`
		A	162.159.44.27^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mustafa.ns.cloudflare.com`
		A	172.64.35.27^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mustafa.ns.cloudflare.com`
MX	`mx.sendgrid.net` ⭐
		A	3.17.120.38^{🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix}
			PTR	`ec2-3-17-120-38.us-east-2.compute.amazonaws.com`
		A	3.136.245.72^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
			PTR	`ec2-3-136-245-72.us-east-2.compute.amazonaws.com`
		A	13.216.54.185^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-216-54-185.compute-1.amazonaws.com`
		A	15.222.160.229^{🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix}
			PTR	`ec2-15-222-160-229.ca-central-1.compute.amazonaws.com`
		A	16.52.61.209^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-61-209.ca-central-1.compute.amazonaws.com`
		A	16.52.110.174^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-110-174.ca-central-1.compute.amazonaws.com`
		A	18.224.101.244^{🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix}
			PTR	`ec2-18-224-101-244.us-east-2.compute.amazonaws.com`
		A	34.198.67.24^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-198-67-24.compute-1.amazonaws.com`
		A	44.216.124.122^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-216-124-122.compute-1.amazonaws.com`
		A	44.245.249.202^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
			PTR	`ec2-44-245-249-202.us-west-2.compute.amazonaws.com`
		A	52.25.213.239^{🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-25-213-239.us-west-2.compute.amazonaws.com`
		A	52.37.49.26^{🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-37-49-26.us-west-2.compute.amazonaws.com`
TXT	`v=spf1 a include:sendgrid.net -all`
SOA	`melinda.ns.cloudflare.com`dns@cloudflare.com serial=2410846880

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

📈 Tranco rank: #611,572
🔒 HSTS Preload (+subdomains)

Subdomains

installer.constr.dev

vms.constr.dev

gitlab.constr.dev

Same first word

constr.dev

constr.org

constr.ru

constr.co

constr.eu

constr.cn

constr.com

Similar names

crosnt.blogspot.ru

strcon.ru

nrtsco.co.uk

cstron.com

rtosnc.com

cnstor.com

rcsotn.gov

srcont.com.br

troncs.world

nrtsco.com

corstn.com

contrs.com

scront.com

rscont.net

rcsotn.org

rcsotn.net

crosnt.com

troncs.com

nrtsco.net

rscont.ru

rcsotn.com

cornst.com

cntros.com

cronst.it

sntcro.eu

srtnoc.com

strcon.de

cnstro.com

cntors.com

rtcons.com

DNS History

3 records (3 active, 0 former)

●NSmelinda.ns.cloudflare.com2026-03-24 → 2026-07-31 · 2 obs

● 2026-03-24 00:39:06
● 2026-07-31 21:07:04

●NSmustafa.ns.cloudflare.com2026-03-24 → 2026-07-31 · 2 obs

● 2026-03-24 00:39:06
● 2026-07-31 21:07:04

●MXmx.sendgrid.net2026-03-24 → 2026-07-31 · 2 obs

● 2026-03-24 00:39:06
● 2026-07-31 21:07:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
constr.dev	melinda.ns.cloudflare.com, mustafa.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.198

NS records: melinda.ns.cloudflare.com, mustafa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for constr.dev (unsigned zone)

⏱️ Timing

Total: 2674ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`melinda.ns.cloudflare.com, mustafa.ns.cloudflare.com`
MX	1	`mx.sendgrid.net (pri: 0)`
TXT	1	`v=spf1 a include:sendgrid.net -all`
SOA	1	`melinda.ns.cloudflare.com dns.cloudflare`

Analysis

Hierarchy

constr.dev is the parent domain of installer.constr.dev, vms.constr.dev and gitlab.constr.dev.

Name Servers

Two name servers handle the delegation for constr.dev: melinda.ns.cloudflare.com and mustafa.ns.cloudflare.com.

constr.dev uses the same name servers as several other domains — among them coldbooks.com, khoadangnguyen.com, alatalo.ru and two more.

constr.dev shares at least some of its name servers with other domains, including dignitastech.com, justbinder.com, mtpolizia.com and two others.

These name servers are frequently seen alongside the name servers tegan.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

melinda.ns.cloudflare.com resolves to 108.162.192.198, 172.64.32.198 and 173.245.58.198 among others, with 3 other IP addresses in total.

mustafa.ns.cloudflare.com resolves to 108.162.195.27, 162.159.44.27 and 172.64.35.27 among others, with 3 other IP addresses in total.

Mail Servers

Mail for constr.dev is handled by a single mail server, mx.sendgrid.net.

constr.dev uses an identical mail server configuration to several other domains — among them www.lovado.net, speedman-triathlon.de, secureserverinternet.kayako.com and two more.

constr.dev has at least partial mail server overlap with other domains such as confidencesuite.com, grupofour.com.br, rotaractmora.org and two more.

These mail servers commonly co-occur with mail servers mxa.mailgun.org, mxb.mailgun.org, aspmx.l.google.com and 3 others.

mx.sendgrid.net resolves to 12 IP addresses — 3.17.120.38, 3.136.245.72, 13.216.54.185 and 9 others.