`classisul.com.br`

DNSSEC	⚠️ Not signed
A	186.233.90.204^{🇧🇷 AS-IPHOTEL186.233.90.0/24 IPHOTEL Hospedagem de Sites}
		PTR	`server90204.cloud.srv.br`
NS	`ns2.classisul.com.br` ⭐ ⚠️ Not in parent delegation
		A	186.233.90.204^{🇧🇷 AS-IPHOTEL186.233.90.0/24 IPHOTEL Hospedagem de Sites}
			PTR	`server90204.cloud.srv.br`
NS	`ns1.classisul.com.br` ⚠️ Not in parent delegation
		A	186.233.90.204^{🇧🇷 AS-IPHOTEL186.233.90.0/24 IPHOTEL Hospedagem de Sites}
			PTR	`server90204.cloud.srv.br`
NS	`server90203.cloud.srv.br` ⚠️ Not in zone NS records
		A	186.233.90.203^{🇧🇷 AS-IPHOTEL186.233.90.0/24 IPHOTEL Hospedagem de Sites}
			PTR	`server90203.cloud.srv.br`
NS	`server90204.cloud.srv.br` ⚠️ Not in zone NS records
		A	186.233.90.204^{🇧🇷 AS-IPHOTEL186.233.90.0/24 IPHOTEL Hospedagem de Sites}
			PTR	`server90204.cloud.srv.br`
MX	`mail.classisul.com.br` ⭐
		A	186.233.90.204^{🇧🇷 AS-IPHOTEL186.233.90.0/24 IPHOTEL Hospedagem de Sites}
			PTR	`server90204.cloud.srv.br`
TXT	`v=spf1 +a +mx +a:server90136.cloud.srv.br -all`
SOA	`ns2.classisul.com.br`plesk@iphotel.com.br 2023-09-04 #13

`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=2026086338

rank #550596 globally
rank #4104 in the tld
WOT: SAFE (69/100)

Subdomains

ns1.classisul.com.br

ns2.classisul.com.br

mail.classisul.com.br

Same first word

classisul.com

classisul.com.br

Similar names

aslsulcis.it

sisllcusa.com

DNS History

9 records (6 active, 3 former)

●NSns1.classisul.com.br2020-02-22 → 2026-03-27 · 2 obs

● 2020-02-22 15:49:26
● 2026-03-27 14:29:02

●NSns2.classisul.com.br2020-02-22 → 2026-03-27 · 2 obs

● 2020-02-22 15:49:26
● 2026-03-27 14:29:02

●NSserver90203.cloud.srv.br2026-03-18 → 2026-03-27 · 3 obs

○ 2020-02-22 15:49:26
● 2026-03-18 06:53:34
● 2026-03-27 14:29:02

●NSserver90204.cloud.srv.br2026-03-18 → 2026-03-27 · 3 obs

○ 2020-02-22 15:49:26
● 2026-03-18 06:53:34
● 2026-03-27 14:29:02

●MXmail.classisul.com.br2020-02-22 → 2026-03-27 · 4 obs

● 2020-02-22 15:49:26
○ 2021-06-19 23:25:00
● 2026-03-18 06:53:34
● 2026-03-27 14:29:02

○MXmx1.iphotel.com.br2021-06-19 → 2021-06-19 · 4 obs

○ 2020-02-22 15:49:26
● 2021-06-19 23:25:00
○ 2026-03-18 06:53:34
○ 2026-03-27 14:29:02

○MXmx2.iphotel.com.br2021-06-19 → 2021-06-19 · 4 obs

○ 2020-02-22 15:49:26
● 2021-06-19 23:25:00
○ 2026-03-18 06:53:34
○ 2026-03-27 14:29:02

○A186.233.90.1362020-02-22 → 2021-06-19 · 4 obs

● 2020-02-22 15:49:26
● 2021-06-19 23:25:00
○ 2026-03-18 06:53:34
○ 2026-03-27 14:29:02

●A186.233.90.2042026-03-18 → 2026-03-27 · 3 obs

○ 2021-06-19 23:25:00
● 2026-03-18 06:53:34
● 2026-03-27 14:29:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	b.dns.br, a.dns.br, d.dns.br, e.dns.br...	-
classisul.com.br	server90203.cloud.srv.br, server90204.cloud.srv.br	-

✅ Authoritative Response

Server:186.233.90.204

NS records: server90203.cloud.srv.br, server90204.cloud.srv.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classisul.com.br (unsigned zone)

⏱️ Timing

Total: 1269ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`186.233.90.204`
NS	2	`ns2.classisul.com.br, ns1.classisul.com.br`
MX	1	`mail.classisul.com.br (pri: 10)`
TXT	1	`v=spf1 +a +mx +a:server90136.cloud.srv.b`
SOA	1	`ns2.classisul.com.br plesk.iphotel.com.b`

Analysis

Hierarchy

classisul.com.br has children ns1.classisul.com.br, ns2.classisul.com.br and mail.classisul.com.br.

IP Addresses

classisul.com.br resolves to a single IP: 186.233.90.204.

Other host names, for instance prismavirtual.com.br, dataprisma.com.br, bhagavad.com.br, mail.prismavirtual.com.br and ns1.classisul.com.br share IP numbers with classisul.com.br.

Name Servers

classisul.com.br is delegated to four name servers: ns1.classisul.com.br, ns2.classisul.com.br, server90203.cloud.srv.br and server90204.cloud.srv.br.

classisul.com.br shares some name servers with other domains, for instance prismavirtual.com.br, dataprisma.com.br and bhagavad.com.br.

These name servers are commonly used with the name servers ns1.prismavirtual.com.br, ns2.prismavirtual.com.br, ns1.dataprisma.com.br, ns2.dataprisma.com.br, ns1.bhagavad.com.br and ns2.bhagavad.com.br.

Host names with a single IP:

ns1.classisul.com.br points to 186.233.90.204

ns2.classisul.com.br points to 186.233.90.204

server90204.cloud.srv.br points to 186.233.90.204

server90203.cloud.srv.br points to 186.233.90.203

Host names that point to 186.233.90.204: ns1.classisul.com.br, ns2.classisul.com.br and server90204.cloud.srv.br

Mail Servers

classisul.com.br is handled by a single mail server, mail.classisul.com.br.

Host name mail.classisul.com.br points to IP 186.233.90.204.

classisul.com.br - robtex.com

classisul.com.br

com.br