coreops.com.br - dns.ninja

`coreops.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:cec2^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:455b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.91^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.194^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`craig.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cc0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`craig.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`craig.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`craig.ns.cloudflare.com`
		A	108.162.195.192^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`craig.ns.cloudflare.com`
		A	162.159.44.192^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`craig.ns.cloudflare.com`
		A	172.64.35.192^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`craig.ns.cloudflare.com`
NS	`magali.ns.cloudflare.com`
		A	2606:4700:50::a29f:261d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magali.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c21d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`magali.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:221d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`magali.ns.cloudflare.com`
		A	108.162.194.29^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magali.ns.cloudflare.com`
		A	162.159.38.29^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magali.ns.cloudflare.com`
		A	172.64.34.29^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magali.ns.cloudflare.com`
MX	`mx.core.locaweb.com.br` ⭐
		A	177.153.23.241^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
MX	`mx.a.locaweb.com.br`⁽²⁰⁾
		A	186.202.4.42^{🇧🇷 Locaweb186.202.0.0/19 Servicos de Internet SA}
			PTR	`mx.a.locaweb.com.br`
MX	`mx.b.locaweb.com.br`⁽²⁰⁾
		A	177.153.23.242^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
MX	`mx.jk.locaweb.com.br`⁽²⁰⁾
		A	200.234.204.130^{🇧🇷 Locaweb200.234.192.0/20 Servicos de Internet SA}
TXT	`facebook-domain-verification=2jmhwn3j19kr4ne8bpfhey0e2fb6im`
TXT	`sendinblue-code:f1db67e57e23f20afd2272d0441b8f66`
TXT	`v=spf1 include:_spf.locaweb.com.br -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.69.91, 172.67.206.194
		IPv6 hints	2606:4700:3034::ac43:cec2, 2606:4700:3036::6815:455b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=208, name=cloudflare-ech.com
SOA	`craig.ns.cloudflare.com`dns@cloudflare.com serial=2408223680

`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=2026181476

rank #532446 globally
rank #3970 in the tld
WOT: SAFE (69/100)

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DNS History

12 records (10 active, 2 former)

●NScraig.ns.cloudflare.com2026-03-20 → 2026-06-30 · 2 obs

● 2026-03-20 21:13:08
● 2026-06-30 20:18:52

●NSmagali.ns.cloudflare.com2026-03-20 → 2026-06-30 · 2 obs

● 2026-03-20 21:13:08
● 2026-06-30 20:18:52

●MXmx.a.locaweb.com.br2026-03-20 → 2026-06-30 · 2 obs

● 2026-03-20 21:13:08
● 2026-06-30 20:18:52

●MXmx.b.locaweb.com.br2026-03-20 → 2026-06-30 · 2 obs

● 2026-03-20 21:13:08
● 2026-06-30 20:18:52

●MXmx.core.locaweb.com.br2026-03-20 → 2026-06-30 · 2 obs

● 2026-03-20 21:13:08
● 2026-06-30 20:18:52

●MXmx.jk.locaweb.com.br2026-03-20 → 2026-06-30 · 2 obs

● 2026-03-20 21:13:08
● 2026-06-30 20:18:52

●A104.21.69.912026-03-20 → 2026-06-30 · 2 obs

● 2026-03-20 21:13:08
● 2026-06-30 20:18:52

●A172.67.206.1942026-03-20 → 2026-06-30 · 2 obs

● 2026-03-20 21:13:08
● 2026-06-30 20:18:52

○A2606:4700:3032::6815:455b2026-03-20 → 2026-03-20 · 3 obs

● 2026-03-20 21:13:08
○ 2026-06-29 01:34:18
○ 2026-06-30 20:18:52

○A2606:4700:3033::ac43:cec22026-03-20 → 2026-03-20 · 3 obs

● 2026-03-20 21:13:08
○ 2026-06-29 01:34:18
○ 2026-06-30 20:18:52

●A2606:4700:3034::ac43:cec22026-06-29 → 2026-06-30 · 3 obs

○ 2026-03-20 21:13:08
● 2026-06-29 01:34:18
● 2026-06-30 20:18:52

●A2606:4700:3036::6815:455b2026-06-29 → 2026-06-30 · 3 obs

○ 2026-03-20 21:13:08
● 2026-06-29 01:34:18
● 2026-06-30 20:18:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	b.dns.br, f.dns.br, a.dns.br, e.dns.br...	-
coreops.com.br	craig.ns.cloudflare.com, magali.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.29

NS records: craig.ns.cloudflare.com, magali.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 808ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.69.91, 172.67.206.194`
AAAA	2	`2606:4700:3034::ac43:cec2, 2606:4700:3036::6815:455b`
NS	2	`craig.ns.cloudflare.com, magali.ns.cloudflare.com`
MX	4	`mx.core.locaweb.com.br (pri: 10), mx.a.locaweb.com.br (pri: 20)...`
TXT	3	`facebook-domain-verification=2jmhwn3j19k, sendinblue-code:f1db67e57e23f20afd2272d0...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`craig.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

coreops.com.br directs to four IP numbers, which are 104.21.69.91, 172.67.206.194, 2606:4700:3034::ac43:cec2 and 2606:4700:3036::6815:455b.

Among the host names that share IP numbers with coreops.com.br are nou.edu.vn, symetixmedia.com, tamadot.com and two others.

Name Servers

The NS records for coreops.com.br delegate to craig.ns.cloudflare.com and magali.ns.cloudflare.com.

coreops.com.br has the same name server delegation as a number of other domains, such as advlink.com.br, alzheimerlibellules.com, melibugeja.com.mt and two more.

At least some of coreops.com.br's name servers are shared with other domains, for example artsmuster.com, supran.web.id, dreamcorp.net and two more.

It is common for these name servers to be used in conjunction with the name servers kim.ns.cloudflare.com, lauryn.ns.cloudflare.com and clarissa.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

craig.ns.cloudflare.com maps to 108.162.195.192, 162.159.44.192, 172.64.35.192 and 3 additional IP addresses.

magali.ns.cloudflare.com maps to 108.162.194.29, 162.159.38.29, 172.64.34.29 and 3 additional IP addresses.

Mail Servers

Mail for coreops.com.br is handled by four mail servers: mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.

coreops.com.br shares at least some of its mail servers with other domains — for example focopress.com, visioninstitute.com.br, atriumshoppingsantoandre.com.br and two more.

mx.a.locaweb.com.br resolves to 186.202.4.42. mx.b.locaweb.com.br resolves to 177.153.23.242. mx.core.locaweb.com.br resolves to 177.153.23.241. mx.jk.locaweb.com.br resolves to 200.234.204.130. All four hosts carry exactly one IP address.