`csfibra.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:b5f5^{Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:53d4^{Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.212^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.181.245^{Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dorthy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af9^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c0f9^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:20f9^{Cloudflare2a06:98c1:50::/45}
		A	108.162.192.249^{Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.249^{Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.249^{Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`joaquin.ns.cloudflare.com`
MX	`mx1.sf.ice-networks.com` ⭐
MX	`mx2.zoho.com` ⭐
		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	`mx2.sf.ice-networks.com`⁽²⁰⁾
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	`mx3.sf.ice-networks.com`⁽³⁰⁾
MX	`mx4.sf.ice-networks.com`⁽⁴⁰⁾
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	`google-site-verification=MOF9JoMcOEKYMgm__n6_4NQRkXibxSCH2B4jk_zCbg0`
TXT	`v=spf1 include:zohomail.com +a +mx +ip4:82.221.129.44 include:outbound.ice-ne...`
TXT	`zoho-verification=zb38144016.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.212, 172.67.181.245
		IPv6 hints	2606:4700:3033::ac43:b5f5, 2606:4700:3035::6815:53d4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=209, name=cloudflare-ech.com
SOA	`dorthy.ns.cloudflare.com`dns@cloudflare.com serial=2405169921

`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=2026189094

rank #521656 globally
rank #3860 in the tld
WOT: SAFE (69/100)

Subdomains

www.csfibra.com.br

Same first word

csfibra.com

csfibra.dyndns.tv

csfibra.com.br

csfibra.tv

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fabrics.ru

fabrics.cl

fabrics.ch

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bcfairs.ca

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sbcfair.org

fabrics.myshopify.com

fabrics.tv

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fabrics.pl

fabrics.fr

fabrics.ca

fabrics.ltd

fabrics.de

fabrics.ae

fabrics.co

fabrics.run

sbcfair.net

fabrics.cheap

fabrics.net

sfabric.com

rfbasic.com

ficbras.com

friscab.com

fabrics.com

fabrics.biz

bcfairs.com

fraiscb.com

fabrics.pro

fabrics.com.cn

sbcfair.com

fabrics.digital

fabrics.com.ua

fabrics.org

fibracs.com

bscfair.com

fabrics.at

fabrics.nl

fabrics.la

fabrics.it

fabrics.ie

fabrics.amsterdam

sbicarf.com

fabrics.es

DNS History

16 records (13 active, 3 former)

○NSa.sec.dns.br2019-02-24 → 2019-02-24 · 3 obs

● 2019-02-24 07:19:24
○ 2026-06-21 13:03:26
○ 2026-07-08 04:04:20

○NSc.sec.dns.br2019-02-24 → 2019-02-24 · 3 obs

● 2019-02-24 07:19:24
○ 2026-06-21 13:03:26
○ 2026-07-08 04:04:20

●NSdorthy.ns.cloudflare.com2026-06-21 → 2026-07-08 · 3 obs

○ 2019-02-24 07:19:24
● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

●NSjoaquin.ns.cloudflare.com2026-06-21 → 2026-07-08 · 3 obs

○ 2019-02-24 07:19:24
● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

●MXmx.zoho.com2026-06-21 → 2026-07-08 · 2 obs

● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

●MXmx1.sf.ice-networks.com2026-06-21 → 2026-07-08 · 2 obs

● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

●MXmx2.sf.ice-networks.com2026-06-21 → 2026-07-08 · 2 obs

● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

●MXmx2.zoho.com2026-06-21 → 2026-07-08 · 2 obs

● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

●MXmx3.sf.ice-networks.com2026-06-21 → 2026-07-08 · 2 obs

● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

●MXmx3.zoho.com2026-06-21 → 2026-07-08 · 2 obs

● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

●MXmx4.sf.ice-networks.com2026-06-21 → 2026-07-08 · 2 obs

● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

●A104.21.83.2122026-06-21 → 2026-07-08 · 3 obs

○ 2019-02-24 07:19:24
● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

○A162.241.3.302019-02-24 → 2019-02-24 · 3 obs

● 2019-02-24 07:19:24
○ 2026-06-21 13:03:26
○ 2026-07-08 04:04:20

●A172.67.181.2452026-06-21 → 2026-07-08 · 3 obs

○ 2019-02-24 07:19:24
● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

●A2606:4700:3033::ac43:b5f52026-06-21 → 2026-07-08 · 3 obs

○ 2019-02-24 07:19:24
● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

●A2606:4700:3035::6815:53d42026-06-21 → 2026-07-08 · 3 obs

○ 2019-02-24 07:19:24
● 2026-06-21 13:03:26
● 2026-07-08 04:04:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
csfibra.com.br	dorthy.ns.cloudflare.com, joaquin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.220

NS records: dorthy.ns.cloudflare.com, joaquin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1377ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.181.245, 104.21.83.212`
AAAA	2	`2606:4700:3031::ac43:b5f5, 2606:4700:3036::6815:53d4`
NS	2	`dorthy.ns.cloudflare.com, joaquin.ns.cloudflare.com`
MX	7	`mx.zoho.com (pri: 10), mx1.sf.ice-networks.com (pri: 10)...`
TXT	3	`google-site-verification=MOF9JoMcOEKYMgm, v=spf1 include:zohomail.com +a +mx +ip4:...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dorthy.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

csfibra.com.br is a parent domain of www.csfibra.com.br.

IP Addresses

csfibra.com.br resolves to four IP addresses: 104.21.83.212, 172.67.181.245, 2606:4700:3033::ac43:b5f5 and 2606:4700:3035::6815:53d4.

Name Servers

Two name servers handle the delegation for csfibra.com.br: dorthy.ns.cloudflare.com and joaquin.ns.cloudflare.com.

DNS names with 6 IP addresses:

dorthy.ns.cloudflare.com resolves to 108.162.192.249, 172.64.32.249 and 173.245.58.249 among others, with 3 other IP addresses in total.

Mail Servers

csfibra.com.br is handled by 7 mail servers: mx2.zoho.com, mx3.zoho.com, mx.zoho.com and 4 other.

All three — mx2.zoho.com, mx3.zoho.com and mx.zoho.com — point to 204.141.43.44 as their single IP address.

Each of mx2.zoho.com, mx3.zoho.com and mx.zoho.com resolves to 204.141.43.44.

csfibra.com.br - robtex.com

csfibra.com.br

com.br

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`csfibra.com.br`

`com.br`