mas123.co - robtex.com
mas123.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.99.164.21🇺🇸 LATITUDE-SH140.99.164.0/24 Used by EndUser | ||||||
| NS | ns1.mas123.co ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.ultaahostz.website ⚠️ Not in zone NS records | ||||||
| A | 140.99.164.21🇺🇸 LATITUDE-SH140.99.164.0/24 Used by EndUser | ||||||
| NS | ns2.mas123.co ⚠️ Not in parent delegation | ||||||
| NS | ns2.ultaahostz.website ⚠️ Not in zone NS records | ||||||
| A | 140.99.164.21🇺🇸 LATITUDE-SH140.99.164.0/24 Used by EndUser | ||||||
| MX | mas123.co ⭐ | ||||||
| A | 140.99.164.21🇺🇸 LATITUDE-SH140.99.164.0/24 Used by EndUser | ||||||
| TXT | v=spf1 a mx ip4:140.99.164.21 ~all | ||||||
| SOA | ns1.mas123.cohostmaster@mas123.co serial=1 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759655199 | ||||||
MX for
mas123.co |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.mas123.co2026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:39:30
●NSns1.ultaahostz.website2026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:39:30
●NSns2.mas123.co2026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:39:30
●NSns2.ultaahostz.website2026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:39:30
●MXmas123.co2026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:39:30
●A140.99.164.212026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:39:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| mas123.co | ns2.ultaahostz.website, ns1.ultaahostz.website | - |
✅ Authoritative Response
Server:140.99.164.21
NS records: ns2.ultaahostz.website, ns1.ultaahostz.website
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mas123.co (unsigned zone)
⏱️ Timing
Total: 705ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.99.164.21 |
| NS | 2 | ns1.mas123.co, ns2.mas123.co |
| MX | 1 | mas123.co (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:140.99.164.21 ~all |
| SOA | 1 | ns1.mas123.co hostmaster.mas123.co |
Analysis
Mail Server Role
The mail server for mas123.co is mas123.co.
IP Addresses
mas123.co points to a single IP address: 140.99.164.21.
Other host names, for example ns1.ultaahostz.website, bar69.co and ns2.ultaahostz.website share IPs with mas123.co.
Name Servers
mas123.co is delegated to four name servers: ns1.mas123.co, ns2.mas123.co, ns1.ultaahostz.website and ns2.ultaahostz.website.
mas123.co shares name servers with other domains at least partially, for instance bar69.co.
These name servers are often used together with ns1.bar69.co and ns2.bar69.co.
Host names with a single IP:
ns1.ultaahostz.website points to 140.99.164.21.
ns2.ultaahostz.website points to 140.99.164.21.
Host names pointing to 140.99.164.21: ns1.ultaahostz.website and ns2.ultaahostz.website.
Mail Servers
One mail server handles mas123.co; that server is mas123.co.
mas123.co points to a single IP number: 140.99.164.21.