simplexdev.app - robtex.com
simplexdev.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.131.167.172🇺🇸 DIGITALOCEAN104.131.160.0/20 DigitalOcean | ||||||
| PTR | simplexdev.app | ||||||
| NS | ns1.digitalocean.com ⭐ | ||||||
| A | 2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| A | 172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| NS | ns2.digitalocean.com | ||||||
| A | 2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| A | 172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| NS | ns3.digitalocean.com | ||||||
| A | 2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| A | 172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| MX | mail.simplexdev.app ⭐ | ||||||
| A | 138.197.5.60🇺🇸 DIGITALOCEAN138.197.0.0/20 DigitalOcean | ||||||
| PTR | mail.simplexdev.app | ||||||
| TXT | v=spf1 mx include:spf.smtp2go.com -all | ||||||
| SOA | ns1.digitalocean.comhostmaster@simplexdev.app serial=0 | ||||||
app
| 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=101427 | ||||||
PTR for
Same first word
simplexdev.net |
simplexdev.com |
simplexdev.app |
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSns1.digitalocean.com2026-08-31 → 2026-09-18 · 2 obs
● 2026-09-18 22:00:50
●NSns2.digitalocean.com2026-08-31 → 2026-09-18 · 2 obs
● 2026-09-18 22:00:50
●NSns3.digitalocean.com2026-08-31 → 2026-09-18 · 2 obs
● 2026-09-18 22:00:50
●MXmail.simplexdev.app2026-08-31 → 2026-09-18 · 2 obs
● 2026-09-18 22:00:50
●A104.131.167.1722026-08-31 → 2026-09-18 · 2 obs
● 2026-09-18 22:00:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| simplexdev.app | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.52.210
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for simplexdev.app (unsigned zone)
⏱️ Timing
Total: 450ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.131.167.172 |
| NS | 3 | ns2.digitalocean.com, ns1.digitalocean.com... |
| MX | 1 | mail.simplexdev.app (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.smtp2go.com -all |
| SOA | 1 | ns1.digitalocean.com hostmaster.simplexd |
Analysis
IP Addresses
simplexdev.app points to a single IP number: 104.131.167.172.
simplex.host is an example of another host name that shares IP numbers with simplexdev.app.
Name Servers
simplexdev.app has three name servers — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
At least some of simplexdev.app's name servers are shared with other domains, for example 122.227.64.in-addr.arpa, 1.0.0.f.8.9.f.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, 1.0.0.1.d.9.0.0.0.0.0.0.0.0.0.0.0.1.0.1.0.0.0.0.0.c.0.b.3.0.a.2.ip6.arpa and two more.
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
simplexdev.app has one mail server: mail.simplexdev.app.
mail.simplexdev.app points to one IP number — 138.197.5.60.