sys21.com.mx - dns.ninja
sys21.com.mx
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.199.6.153🇺🇸 DIGITALOCEAN128.199.0.0/20 DigitalOcean | ||||||
| PTR | server.sys21.com.mx | ||||||
| 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.com.mx serial=0 | ||||||
com.mx
| DNSSEC | ⚠️ Not signed | ||||||
| NS | m.mx-ns.mx ⭐ ⚠️ Not in parent delegation | ||||||
| NS | c.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | e.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | i.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | o.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| NS | x.mx-ns.mx ⚠️ Not in parent delegation | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | m.mx-ns.mxhostmaster@nic.mx serial=1780985634 | ||||||
Previously MX for
sys21.com.mx |
Subdomains
Same first word
DNS History
12 records (4 active, 8 former)
○NSdns1.vps.net2017-01-09 → 2017-06-19 · 5 obs
● 2017-01-09 15:49:52
● 2017-06-19 11:15:36
○ 2026-03-08 12:32:06
○ 2026-06-09 06:34:24
○NSdns2.vps.net2017-01-09 → 2017-06-19 · 5 obs
● 2017-01-09 15:49:52
● 2017-06-19 11:15:36
○ 2026-03-08 12:32:06
○ 2026-06-09 06:34:24
●NSns1.digitalocean.com2026-03-08 → 2026-06-09 · 3 obs
● 2026-03-08 12:32:06
● 2026-06-09 06:34:24
○NSns1.sys21.mx2015-07-08 → 2016-04-27 · 4 obs
● 2016-04-27 20:37:52
○ 2017-01-09 15:49:52
○ 2026-06-09 06:34:24
●NSns2.digitalocean.com2026-03-08 → 2026-06-09 · 3 obs
● 2026-03-08 12:32:06
● 2026-06-09 06:34:24
○NSns2.sys21.mx2015-07-08 → 2016-04-27 · 4 obs
● 2016-04-27 20:37:52
○ 2017-01-09 15:49:52
○ 2026-06-09 06:34:24
●NSns3.digitalocean.com2026-03-08 → 2026-06-09 · 3 obs
● 2026-03-08 12:32:06
● 2026-06-09 06:34:24
○MXmail.sys21.com.mx2017-01-09 → 2017-06-19 · 5 obs
● 2017-01-09 15:49:52
● 2017-06-19 11:15:36
○ 2026-03-08 12:32:06
○ 2026-06-09 06:34:24
○MXsys21.com.mx2015-07-08 → 2016-04-27 · 4 obs
● 2016-04-27 20:37:52
○ 2017-01-09 15:49:52
○ 2026-06-09 06:34:24
●A128.199.6.1532026-03-08 → 2026-06-09 · 3 obs
● 2026-03-08 12:32:06
● 2026-06-09 06:34:24
○A174.127.120.302017-01-09 → 2017-06-19 · 5 obs
● 2017-01-09 15:49:52
● 2017-06-19 11:15:36
○ 2026-03-08 12:32:06
○ 2026-06-09 06:34:24
○A23.91.65.372015-07-08 → 2016-04-27 · 4 obs
● 2016-04-27 20:37:52
○ 2017-01-09 15:49:52
○ 2026-06-09 06:34:24
🔍 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.com.mx | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.53.21
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sys21.com.mx (unsigned zone)
⏱️ Timing
Total: 365ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.199.6.153 |
| NS | 3 | ns2.digitalocean.com, ns1.digitalocean.com... |
| SOA | 1 | ns1.digitalocean.com hostmaster.sys21.co |
Analysis
Hierarchy
sys21.com.mx is the parent domain of www.sys21.com.mx, server.sys21.com.mx and mail.sys21.com.mx.
IP Addresses
sys21.com.mx has exactly one IP address — 128.199.6.153.
Other host names, for instance mail.sys21.com.mx, www.sys21.com.mx and server.sys21.com.mx share IP numbers with sys21.com.mx.
Name Servers
sys21.com.mx is served by three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
sys21.com.mx shares at least some of its name servers with other domains, including pygonia.com, thailand-solar.com, urbanpilots.net 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.