lab4.dev - robtex.com
lab4.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 | ||||||
Same first word
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DNS History
5 records (5 active, 0 former)
●NSns1.digitalocean.com2026-08-30 → 2026-09-01 · 2 obs
● 2026-09-01 11:42:04
●NSns2.digitalocean.com2026-08-30 → 2026-09-01 · 2 obs
● 2026-09-01 11:42:04
●NSns3.digitalocean.com2026-08-30 → 2026-09-01 · 2 obs
● 2026-09-01 11:42:04
●MXmail.protonmail.ch2026-08-30 → 2026-09-01 · 2 obs
● 2026-09-01 11:42:04
●MXmailsec.protonmail.ch2026-08-30 → 2026-09-01 · 2 obs
● 2026-09-01 11:42:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | - |
| lab4.dev | ns3.digitalocean.com, ns2.digitalocean.com, ns1.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.52.210
NS records: ns3.digitalocean.com, ns2.digitalocean.com, ns1.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lab4.dev (unsigned zone)
⏱️ Timing
Total: 374ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns2.digitalocean.com, ns3.digitalocean.com... |
| MX | 2 | mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10) |
| TXT | 3 | protonmail-verification=1af43a2e79ba1ef6, google-site-verification=rg2Y-pvkuEeVRuZ... |
| SOA | 1 | ns1.digitalocean.com hostmaster.lab4.dev |
Analysis
Name Servers
lab4.dev has three name servers — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
lab4.dev partially shares its NS delegation with several other domains, including 1.0.0.1.6.b.0.0.0.0.0.0.0.0.0.0.0.d.0.0.2.0.0.0.0.c.0.b.3.0.a.2.ip6.arpa, rakzo.in, cutjapan.com and two others.
Each of ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com points to two IP numbers. ns1.digitalocean.com points to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com points to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com points to 172.64.49.209 and 2606:4700:52::ac40:31d1.
Mail Servers
lab4.dev is served by two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.
Among the domains sharing a mail server setup with lab4.dev are redtero.com, sinclair.tech, jurassicbarkpetcare.com and two others.
There is at least a partial MX overlap between lab4.dev and other domains, including buvis.net, chajewski.de, shio.pl and two others.
mail.protonmail.ch has three IP addresses (176.119.200.128, 185.70.42.128 and 185.205.70.128) and mailsec.protonmail.ch has three IP addresses (176.119.200.129, 185.70.42.129 and 185.205.70.129).