021.com.mx - dns.ninja
021.com.mx
| DNSSEC | ⚠️ Not signed | ||||||
| A | 67.23.255.226🇺🇸 DimeNOC67.23.240.0/20 HostDime.com Route Object | ||||||
| PTR | server3.sitioarevision.com | ||||||
| NS | ns1.sitioarevision.com ⭐ | ||||||
| A | 67.23.255.227🇺🇸 DimeNOC67.23.240.0/20 HostDime.com Route Object | ||||||
| PTR | dns33334.dizinc.com | ||||||
| NS | ns2.sitioarevision.com | ||||||
| A | 67.23.255.228🇺🇸 DimeNOC67.23.240.0/20 HostDime.com Route Object | ||||||
| PTR | dns33335.dizinc.com | ||||||
| MX | 021.com.mx ⭐ | ||||||
| A | 67.23.255.226🇺🇸 DimeNOC67.23.240.0/20 HostDime.com Route Object | ||||||
| PTR | server3.sitioarevision.com | ||||||
| TXT | v=spf1 ip4:67.23.255.226 +a +mx +ip4:107.190.135.10 +ip4:107.161.187.194 ~all | ||||||
| SOA | ns1.sitioarevision.comstvseijo@gmail.com 2026-05-20 #1 | ||||||
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=1783638786 | ||||||
MX for
021.com.mx |
Subdomains
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSns1.mediatemple.net2015-05-16 → 2016-07-03 · 4 obs
● 2016-07-03 00:37:22
○ 2020-01-06 02:15:40
○ 2026-07-09 23:43:42
●NSns1.sitioarevision.com2020-01-06 → 2026-07-09 · 3 obs
● 2020-01-06 02:15:40
● 2026-07-09 23:43:42
○NSns2.mediatemple.net2015-05-16 → 2016-07-03 · 4 obs
● 2016-07-03 00:37:22
○ 2020-01-06 02:15:40
○ 2026-07-09 23:43:42
●NSns2.sitioarevision.com2020-01-06 → 2026-07-09 · 3 obs
● 2020-01-06 02:15:40
● 2026-07-09 23:43:42
●MX021.com.mx2020-01-06 → 2026-07-09 · 3 obs
● 2020-01-06 02:15:40
● 2026-07-09 23:43:42
○MXmail.021.com.mx2015-05-16 → 2016-07-03 · 4 obs
● 2016-07-03 00:37:22
○ 2020-01-06 02:15:40
○ 2026-07-09 23:43:42
○A107.161.187.1942020-01-06 → 2020-01-06 · 4 obs
● 2020-01-06 02:15:40
○ 2026-02-15 01:25:20
○ 2026-07-09 23:43:42
○A64.13.255.182015-05-16 → 2016-07-03 · 4 obs
● 2016-07-03 00:37:22
○ 2020-01-06 02:15:40
○ 2026-07-09 23:43:42
●A67.23.255.2262026-02-15 → 2026-07-09 · 3 obs
● 2026-02-15 01:25:20
● 2026-07-09 23:43:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| mx | e.mx-ns.mx, o.mx-ns.mx, x.mx-ns.mx, c.mx-ns.mx... | - |
| 021.com.mx | ns1.sitioarevision.com, ns2.sitioarevision.com | - |
✅ Authoritative Response
Server:67.23.255.227
NS records: ns1.sitioarevision.com, ns2.sitioarevision.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 021.com.mx (unsigned zone)
⏱️ Timing
Total: 1596ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 67.23.255.226 |
| NS | 2 | ns1.sitioarevision.com, ns2.sitioarevision.com |
| MX | 1 | 021.com.mx (pri: 0) |
| TXT | 1 | v=spf1 ip4:67.23.255.226 +a +mx +ip4:107 |
| SOA | 1 | ns1.sitioarevision.com stvseijo.gmail.co |
Analysis
Hierarchy
mail.021.com.mx and www.021.com.mx are both subdomains of 021.com.mx.
Mail Server Role
021.com.mx is listed as a mail server for itself.
IP Addresses
021.com.mx resolves to one IP address: 67.23.255.226.
cpcontacts.motivando.com.mx, doctoralmaeb.com, educacionalive.com and two other host names share IP numbers with 021.com.mx.
Name Servers
Two name servers handle the delegation for 021.com.mx: ns1.sitioarevision.com and ns2.sitioarevision.com.
021.com.mx uses the same name servers as several other domains — among them strave.com, motivando.com.mx, fae.org.mx and two more.
ns1.sitioarevision.com and ns2.sitioarevision.com each resolve to one IP number: ns1.sitioarevision.com points to 67.23.255.227 and ns2.sitioarevision.com points to 67.23.255.228.
Mail Servers
Mail for 021.com.mx is handled by one mail server — 021.com.mx.
021.com.mx carries a single IP number, which is 67.23.255.226.