sys21.mx - dns.ninja
sys21.mx
| DNSSEC | ⚠️ Not signed | ||||||
| A | 143.198.152.160🇺🇸 DIGITALOCEAN143.198.144.0/20 DigitalOcean | ||||||
| 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 | ||||||
| SOA | ns1.digitalocean.comhostmaster@sys21.mx serial=0 | ||||||
mx
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | m.mx-ns.mx ⭐ | ||||||
| NS | c.mx-ns.mx | ||||||
| NS | e.mx-ns.mx | ||||||
| NS | i.mx-ns.mx | ||||||
| NS | o.mx-ns.mx | ||||||
| NS | x.mx-ns.mx | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | m.mx-ns.mxhostmaster@nic.mx serial=1780965832 | ||||||
Same first word
DNS History
4 records (4 active, 0 former)
●NSns1.digitalocean.com2026-04-23 → 2026-06-09 · 2 obs
● 2026-06-09 01:07:00
●NSns2.digitalocean.com2026-04-23 → 2026-06-09 · 2 obs
● 2026-06-09 01:07:00
●NSns3.digitalocean.com2026-04-23 → 2026-06-09 · 2 obs
● 2026-06-09 01:07:00
●A143.198.152.1602026-04-23 → 2026-06-09 · 2 obs
● 2026-06-09 01:07:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| mx | c.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx... | - |
| sys21.mx | 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 sys21.mx (unsigned zone)
⏱️ Timing
Total: 497ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.198.152.160 |
| NS | 3 | ns1.digitalocean.com, ns2.digitalocean.com... |
| SOA | 1 | ns1.digitalocean.com hostmaster.sys21.mx |
Analysis
IP Addresses
sys21.mx resolves to just one IP address, 143.198.152.160.
Name Servers
sys21.mx is served by three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
sys21.mx has at least partial name server overlap with other domains, such as artypot.com, velfasa.work, 1.0.0.6.5.4.3.2.0.0.0.0.0.0.0.0.0.d.0.0.0.0.4.0.0.8.8.a.4.0.6.2.ip6.arpa and two others.
The hostnames ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com each direct to two IP addresses — ns1.digitalocean.com to 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com to 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com to 172.64.49.209 and 2606:4700:52::ac40:31d1.