optional.dev - robtex.com
optional.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
Similar names
Previous names
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DNS History
7 records (7 active, 0 former)
●NSdale.ns.cloudflare.com2026-09-03 → 2026-09-05 · 2 obs
● 2026-09-05 03:34:02
●NSlina.ns.cloudflare.com2026-09-03 → 2026-09-05 · 2 obs
● 2026-09-05 03:34:02
●MXsmtp.google.com2026-09-03 → 2026-09-05 · 2 obs
● 2026-09-05 03:34:02
●A104.21.13.1052026-09-03 → 2026-09-05 · 2 obs
● 2026-09-05 03:34:02
●A172.67.132.2052026-09-03 → 2026-09-05 · 2 obs
● 2026-09-05 03:34:02
●A2606:4700:3030::ac43:84cd2026-09-03 → 2026-09-05 · 2 obs
● 2026-09-05 03:34:02
●A2606:4700:3036::6815:d692026-09-03 → 2026-09-05 · 2 obs
● 2026-09-05 03:34:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| optional.dev | dale.ns.cloudflare.com, lina.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.187
NS records: dale.ns.cloudflare.com, lina.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optional.dev (unsigned zone)
⏱️ Timing
Total: 703ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.132.205, 104.21.13.105 |
| AAAA | 2 | 2606:4700:3030::ac43:84cd, 2606:4700:3036::6815:d69 |
| NS | 2 | dale.ns.cloudflare.com, lina.ns.cloudflare.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 1 | google-site-verification=-4WOtGrsNmutPb2 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dale.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
optional.dev points to the four IP addresses 104.21.13.105, 172.67.132.205, 2606:4700:3030::ac43:84cd and 2606:4700:3036::6815:d69.
Two other host names, along with countrykitchengo.site, gt89.net and rpserveur.fr, also share IP numbers with optional.dev.
Name Servers
optional.dev uses two name servers for its delegation: dale.ns.cloudflare.com and lina.ns.cloudflare.com.
optional.dev shares its NS records with other domains, for example fragrant-frog-fe5d.workers.dev, freeemttest.org, newbuildhomes.org and two others.
At least some of optional.dev's name servers are shared with other domains, for example chiardola.com, kiki88-sensasi-server-asia.pages.dev, nocixecebabo.web.id and two more.
These name servers tend to be deployed in combination with the name servers jonah.ns.cloudflare.com and simon.ns.cloudflare.com.
DNS names with 6 IP addresses:
Hostname dale.ns.cloudflare.com directs to 108.162.193.95, 172.64.33.95 and 173.245.59.95 along with 3 other IP addresses.
Hostname lina.ns.cloudflare.com directs to 108.162.192.187, 172.64.32.187 and 173.245.58.187 along with 3 other IP addresses.
Mail Servers
The sole mail server for optional.dev is smtp.google.com.
Among the domains sharing a mail server setup with optional.dev are bhhonnun.is, polarissolutionsllc.com, greenhavennursery.com and two others.
There is at least a partial MX overlap between optional.dev and other domains, including chiefautomationstrategistprohub.com, caribbeanmotoring.com, darlean.kz and two others.
With 9 IP addresses total, smtp.google.com resolves to 142.250.31.26, 142.251.163.26, 142.251.163.27 and 6 others.