opertech.com.br - dns.ninja

`opertech.com.br`

DNSSEC	⚠️ Not signed
NS	`b.sec.dns.br` ⭐
		A	2001:12f8:b:1::11^{🇧🇷 C-DNS-BR2001:12f8:b::/48 Registro.BR Network (C.DNS.BR)}
			PTR	`b.sec.dns.br`
		A	200.192.232.11^{🇧🇷 C-DNS-BR200.192.232.0/24 Registro.BR Network (C.DNS.BR)}
			PTR	`b.sec.dns.br`
NS	`c.sec.dns.br`
		A	2001:12f8:9:1::11^{🇧🇷 B-DNS-BR2001:12f8:9::/48 Registro.BR Network (B.DNS.BR)}
			PTR	`c.sec.dns.br`
		A	200.189.40.11^{🇧🇷 B-DNS-BR200.189.40.0/24 Registro.BR Network (B.DNS.BR)}
			PTR	`c.sec.dns.br`
MX	`mx2.zoho.com` ⭐
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`zoho-verification=zb24084532.zmverify.zoho.com`
TXT	`v=spf1 include:zoho.com ~all`
SOA	`b.sec.dns.br`hostmaster@registro.br serial=2026172000

`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.br`hostmaster@registro.br serial=2026191048

rank #530223 globally
rank #3941 in the tld
WOT: SAFE (69/100)

Same first word

opertech.com

opertech.com.br

opertech.ca

opertech.tv

opertech.it

Similar names

DNS History

8 records (5 active, 3 former)

●NSb.sec.dns.br2026-06-24 → 2026-07-10 · 3 obs

○ 2020-02-23 20:34:32
● 2026-06-24 01:19:10
● 2026-07-10 02:15:26

●NSc.sec.dns.br2026-06-24 → 2026-07-10 · 3 obs

○ 2020-02-23 20:34:32
● 2026-06-24 01:19:10
● 2026-07-10 02:15:26

○NSipdmcz0572mia.workscom.com.br2015-07-04 → 2017-03-31 · 4 obs

● 2015-07-04 02:24:20
● 2017-03-31 23:22:10
○ 2020-02-23 20:34:32
○ 2026-07-10 02:15:26

●MXmx.zoho.com2026-06-24 → 2026-07-10 · 3 obs

○ 2020-02-23 20:34:32
● 2026-06-24 01:19:10
● 2026-07-10 02:15:26

○MXmx1.workscom.com.br2015-07-04 → 2017-03-31 · 4 obs

● 2015-07-04 02:24:20
● 2017-03-31 23:22:10
○ 2020-02-23 20:34:32
○ 2026-07-10 02:15:26

●MXmx2.zoho.com2026-06-24 → 2026-07-10 · 3 obs

○ 2020-02-23 20:34:32
● 2026-06-24 01:19:10
● 2026-07-10 02:15:26

●MXmx3.zoho.com2026-06-24 → 2026-07-10 · 3 obs

○ 2020-02-23 20:34:32
● 2026-06-24 01:19:10
● 2026-07-10 02:15:26

○A187.45.185.982015-07-04 → 2017-03-31 · 4 obs

● 2015-07-04 02:24:20
● 2017-03-31 23:22:10
○ 2020-02-23 20:34:32
○ 2026-07-10 02:15:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
opertech.com.br	b.sec.dns.br, c.sec.dns.br	-

✅ Authoritative Response

Server:200.189.40.11

NS records: b.sec.dns.br, c.sec.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1880ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`b.sec.dns.br, c.sec.dns.br`
MX	3	`mx.zoho.com (pri: 10), mx3.zoho.com (pri: 50)...`
TXT	2	`v=spf1 include:zoho.com ~all, zoho-verification=zb24084532.zmverify.zo`
SOA	1	`b.sec.dns.br hostmaster.registro.br`

Analysis

Name Servers

opertech.com.br is served by two delegated name servers, b.sec.dns.br and c.sec.dns.br.

The name server configuration of opertech.com.br is shared with other domains, for instance 8um.com.br, misericordiadivina.com.br, lfmartins.com.br and two others.

The name servers of opertech.com.br overlap at least partially with those of other domains — among them 29er.com.br, contracapa.com.br, gabinetenaweb.com.br and two more.

These name servers commonly appear in combination with the name servers a.sec.dns.br.

Each of the two host names carries two IP addresses: b.sec.dns.br points to 200.192.232.11 and 2001:12f8:b:1::11, and c.sec.dns.br points to 200.189.40.11 and 2001:12f8:9:1::11.

Mail Servers

Mail for opertech.com.br is routed through three mail servers — mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

At least some of the mail servers used by opertech.com.br are shared with other domains: taaji.com, adsbetter.com, thecrockers.ca and two others among them.

mx2.zoho.com resolves to 204.141.33.44. Notably, mx3.zoho.com and mx.zoho.com share the same IP address, 204.141.43.44.

These two host names — mx3.zoho.com and mx.zoho.com — each point to 204.141.43.44 IP addresses.