istd.org.br - robtex.com
istd.org.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.210.212.36🇺🇸 EVEO38.210.212.0/23 Route Registered for Cogent Communications Customer - E-CONSULTERS ENTERPRISE LTDA | ||||||
| PTR | mail.criatus.com.br | ||||||
| NS | ns1.criattus.com.br ⭐ | ||||||
| A | 141.11.73.218🇫🇷 EVEO141.11.72.0/23 | ||||||
| PTR | serverbr.criattus.com.br | ||||||
| NS | ns2.criattus.com.br | ||||||
| A | 141.11.73.220🇫🇷 EVEO141.11.72.0/23 | ||||||
| PTR | mail.luniverstours.com | ||||||
| MX | istd.org.br ⭐ | ||||||
| A | 38.210.212.36🇺🇸 EVEO38.210.212.0/23 Route Registered for Cogent Communications Customer - E-CONSULTERS ENTERPRISE LTDA | ||||||
| PTR | mail.criatus.com.br | ||||||
| TXT | v=spf1 +mx +a +ip4:38.210.212.36 ~all | ||||||
| SOA | ns1.criattus.com.brroot@141-11-73-218.cprapid.com 2026-05-02 #1 | ||||||
org.br
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.br ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.br ⚠️ Not in parent delegation | ||||||
| NS | c.dns.br ⚠️ Not in parent delegation | ||||||
| NS | d.dns.br ⚠️ Not in parent delegation | ||||||
| NS | e.dns.br ⚠️ Not in parent delegation | ||||||
| NS | f.dns.br ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.brhostmaster@registro.br serial=2026132068 | ||||||
MX for
istd.org.br |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.criattus.com.br2026-04-24 → 2026-05-12 · 2 obs
● 2026-05-12 03:22:10
●NSns2.criattus.com.br2026-04-24 → 2026-05-12 · 2 obs
● 2026-05-12 03:22:10
●MXistd.org.br2026-04-24 → 2026-05-12 · 2 obs
● 2026-05-12 03:22:10
●A38.210.212.362026-04-24 → 2026-05-12 · 2 obs
● 2026-05-12 03:22:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| istd.org.br | ns1.criattus.com.br, ns2.criattus.com.br | - |
✅ Authoritative Response
Server:141.11.73.220
NS records: ns1.criattus.com.br, ns2.criattus.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for istd.org.br (unsigned zone)
⏱️ Timing
Total: 1193ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.210.212.36 |
| NS | 2 | ns1.criattus.com.br, ns2.criattus.com.br |
| MX | 1 | istd.org.br (pri: 0) |
| TXT | 1 | v=spf1 +mx +a +ip4:38.210.212.36 ~all |
| SOA | 1 | ns1.criattus.com.br root.141-11-73-218.c |
Analysis
Mail Server Role
istd.org.br serves as the mail server for istd.org.br.
IP Addresses
istd.org.br points to an IP address: 38.210.212.36.
other host names include cezarsilvaadvocacia.com.br, direitoeeconomia.org.br, criattus.com.br, www.seat.ind.br and humantecbrasil.com; they share IP numbers with istd.org.br.
Name Servers
Two name servers ns1.criattus.com.br and ns2.criattus.com.br handle the delegation for istd.org.br.
istd.org.br shares the same name server setup as other domains, for instance eloconsultoria.com, exame.med.br, csem.org.br, criatus.com.br and r8eventos.com.br.
Host names with one IP:
ns1.criattus.com.br points to: 141.11.73.218
ns2.criattus.com.br points to: 141.11.73.220
Mail Servers
istd.org.br is handled by a single mail server.
The host name istd.org.br points to IP 38.210.212.36.