sdrtelecom.com.br - robtex.com
sdrtelecom.com.br
com.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=2026085544 | ||||||
rank #4158 in the tld
WOT: SAFE (69/100)
PTR for
Same first word
sdrtelecom.com.br |
Similar names
DNS History
12 records (9 active, 3 former)
●NSns1.linode.com2015-05-10 → 2026-03-26 · 2 obs
● 2026-03-26 23:13:14
●NSns2.linode.com2015-05-10 → 2026-03-26 · 2 obs
● 2026-03-26 23:13:14
●NSns3.linode.com2015-05-10 → 2026-03-26 · 2 obs
● 2026-03-26 23:13:14
●NSns4.linode.com2015-05-10 → 2026-03-26 · 2 obs
● 2026-03-26 23:13:14
●NSns5.linode.com2015-05-10 → 2026-03-26 · 2 obs
● 2026-03-26 23:13:14
○MXa430985.mx.mailhop.org2016-08-16 → 2020-03-27 · 5 obs
● 2016-08-16 04:20:44
● 2020-03-27 04:33:54
○ 2026-03-17 18:15:36
○ 2026-03-26 23:13:14
●MXmx.zoho.com2026-03-17 → 2026-03-26 · 3 obs
● 2026-03-17 18:15:36
● 2026-03-26 23:13:14
○MXmx1.mailhop.org2015-05-10 → 2016-04-04 · 4 obs
● 2016-04-04 06:03:16
○ 2016-08-16 04:20:44
○ 2026-03-26 23:13:14
○MXmx2.mailhop.org2015-05-10 → 2016-04-04 · 4 obs
● 2016-04-04 06:03:16
○ 2016-08-16 04:20:44
○ 2026-03-26 23:13:14
●MXmx2.zoho.com2026-03-17 → 2026-03-26 · 3 obs
● 2026-03-17 18:15:36
● 2026-03-26 23:13:14
●MXmx3.zoho.com2026-03-17 → 2026-03-26 · 3 obs
● 2026-03-17 18:15:36
● 2026-03-26 23:13:14
●A173.255.215.1962015-05-10 → 2026-03-26 · 2 obs
● 2026-03-26 23:13:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| sdrtelecom.com.br | ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com... | - |
✅ Authoritative Response
Server:92.123.94.2
NS records: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdrtelecom.com.br (unsigned zone)
⏱️ Timing
Total: 715ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.255.215.196 |
| NS | 5 | ns3.linode.com, ns5.linode.com... |
| MX | 3 | mx3.zoho.com (pri: 50), mx.zoho.com (pri: 10)... |
| TXT | 1 | v=spf1 include:zoho.com ~all |
| SOA | 1 | ns1.linode.com rafael.riseup.net |
Analysis
IP Addresses
sdrtelecom.com.br resolves to one IP number: 173.255.215.196.
Other host names for instance abradig.org.br and www.abradig.org.br share IP numbers with sdrtelecom.com.br.
Name Servers
sdrtelecom.com.br is delegated to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com and ns5.linode.com.
sdrtelecom.com.br at least partially shares name servers with other domains, including kakispy.com, salemorpestcontrol.com, dizkover.com, peterfinn.org and s7.upgates.com.
Host names with two IP numbers:
ns1.linode.com points to: 2600:14c0:6::2 and 92.123.94.2.
ns2.linode.com points to: 2600:14c0:6::3 and 92.123.94.3.
ns3.linode.com points to: 2600:14c0:7::3 and 92.123.95.3.
ns4.linode.com points to: 2600:14c0:7::4 and 92.123.95.4.
ns5.linode.com points to: 2600:14c0:7::2 and 92.123.95.2.
Mail Servers
Three mail servers handle sdrtelecom.com.br: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.
sdrtelecom.com.br shares at least some mail servers with other domains, for example weareyourmirror.com, myanmarnoblecollege.com.mm, deabute.com, instantalerts.in and tcwis.com.
Host names with two IPs:
mx.zoho.com points to 136.143.183.44 and 136.143.191.44.
Host names with one IP:
mx2.zoho.com points to 136.143.183.44.
mx3.zoho.com points to 136.143.191.44.
Hosts pointing to 136.143.183.44: mx.zoho.com and mx2.zoho.com.
Hosts pointing to 136.143.191.44: mx.zoho.com and mx3.zoho.com.