constr.dev - robtex.com
constr.dev
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.comcloud-dns-hostmaster@google.com serial=1 | ||||||
🔒 HSTS Preload (+subdomains)
Subdomains
installer.constr.dev |
vms.constr.dev |
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSmelinda.ns.cloudflare.com2026-03-24 → 2026-05-09 · 2 obs
● 2026-05-09 17:34:38
●NSmustafa.ns.cloudflare.com2026-03-24 → 2026-05-09 · 2 obs
● 2026-05-09 17:34:38
●MXmx.sendgrid.net2026-03-24 → 2026-05-09 · 2 obs
● 2026-05-09 17:34:38
🔍 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 | mustafa.ns.cloudflare.com, melinda.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.198
NS records: mustafa.ns.cloudflare.com, melinda.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for constr.dev (unsigned zone)
⏱️ Timing
Total: 363ms | 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 a parent of installer.constr.dev and vms.constr.dev.
Name Servers
Delegation for constr.dev rests with two name servers, melinda.ns.cloudflare.com and mustafa.ns.cloudflare.com.
constr.dev shares the same name server setup as other domains, including coldbooks.com, khoadangnguyen.com, alatalo.ru, alemira.com and spacerune.com.
constr.dev at least partially shares name servers with other domains, for instance justbinder.com, mtpolizia.com, wwmmgc.top, hsrv.stream and gotont.com.
These name servers are commonly used with tegan.ns.cloudflare.com and jaxson.ns.cloudflare.com.
Host names with six IP numbers: melinda.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac6, 2803:f800:50::6ca2:c0c6, 2a06:98c1:50::ac40:20c6, 108.162.192.198, 172.64.32.198 and 173.245.58.198. mustafa.ns.cloudflare.com points to: 2606:4700:58::a29f:2c1b, 2803:f800:50::6ca2:c31b, 2a06:98c1:50::ac40:231b, 108.162.195.27, 162.159.44.27 and 172.64.35.27.
Mail Servers
constr.dev is handled by a single mail server, mx.sendgrid.net.
constr.dev uses the same mail server configuration as other domains, such as www.lovado.net, speedman-triathlon.de, secureserverinternet.kayako.com, u3992928.wl179.sendgrid.net and yuurinchi.com.
constr.dev shares mail servers with other domains at least in part, for instance confidencesuite.com, rotaractmora.org, fsa-efimeries.gr, customer-images.bislr.com and xerox.talent-pool.com.
These mail servers are often used together with mxa.mailgun.org, mxb.mailgun.org, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host mx.sendgrid.net points to nine IP numbers: 3.17.120.38, 3.136.245.72, 15.222.160.229, 16.52.61.209, 16.52.110.174, 18.224.101.244, 44.245.249.202, 52.25.213.239 and 52.37.49.26.