cot.com.br - dns.ninja

`cot.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:27fb^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:ac7b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.39.251^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.123^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`keyla.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26aa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keyla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`keyla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`keyla.ns.cloudflare.com`
		A	108.162.194.170^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keyla.ns.cloudflare.com`
		A	162.159.38.170^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keyla.ns.cloudflare.com`
		A	172.64.34.170^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keyla.ns.cloudflare.com`
NS	`trey.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`trey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`trey.ns.cloudflare.com`
		A	108.162.193.242^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	172.64.33.242^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	173.245.59.242^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
MX	`cot-com-br.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:f804::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f907::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm1pr04cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:f90c::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr03cu00100.inbound.protection.outlook.com`
		A	52.101.11.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00205.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.40.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr05cu00402.inbound.protection.outlook.com`
TXT	`MS=ms36782348`
TXT	`v=spf1 include:amazonses.com include:_spf.locaweb.com.br include:spf.protecti...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.39.251, 172.67.172.123
		IPv6 hints	2606:4700:3030::6815:27fb, 2606:4700:3037::ac43:ac7b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=218, name=cloudflare-ech.com
SOA	`keyla.ns.cloudflare.com`dns@cloudflare.com serial=2404817715

`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=2026198342

rank #524847 globally
rank #3892 in the tld
WOT: SAFE (69/100)

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tco.pt

DNS History

17 records (7 active, 10 former)

●NSkeyla.ns.cloudflare.com2026-02-15 → 2026-07-17 · 3 obs

○ 2018-08-09 19:38:06
● 2026-02-15 11:36:36
● 2026-07-17 14:29:24

○NSns1.locaweb.com.br2015-08-17 → 2018-08-09 · 4 obs

● 2015-08-17 22:50:42
● 2018-08-09 19:38:06
○ 2026-02-15 11:36:36
○ 2026-07-17 14:29:24

○NSns2.locaweb.com.br2015-08-17 → 2018-08-09 · 4 obs

● 2015-08-17 22:50:42
● 2018-08-09 19:38:06
○ 2026-02-15 11:36:36
○ 2026-07-17 14:29:24

○NSns3.locaweb.com.br2015-08-17 → 2018-08-09 · 4 obs

● 2015-08-17 22:50:42
● 2018-08-09 19:38:06
○ 2026-02-15 11:36:36
○ 2026-07-17 14:29:24

●NStrey.ns.cloudflare.com2026-02-15 → 2026-07-17 · 3 obs

○ 2018-08-09 19:38:06
● 2026-02-15 11:36:36
● 2026-07-17 14:29:24

●MXcot-com-br.mail.protection.outlook.com2026-02-15 → 2026-07-17 · 3 obs

○ 2018-08-09 19:38:06
● 2026-02-15 11:36:36
● 2026-07-17 14:29:24

○MXmx.a.locaweb.com.br2015-08-17 → 2018-08-09 · 4 obs

● 2015-08-17 22:50:42
● 2018-08-09 19:38:06
○ 2026-02-15 11:36:36
○ 2026-07-17 14:29:24

○MXmx.b.locaweb.com.br2015-08-17 → 2018-08-09 · 4 obs

● 2015-08-17 22:50:42
● 2018-08-09 19:38:06
○ 2026-02-15 11:36:36
○ 2026-07-17 14:29:24

○MXmx.core.locaweb.com.br2015-08-17 → 2017-01-27 · 4 obs

● 2015-08-17 22:50:42
● 2017-01-27 03:22:36
○ 2018-08-09 19:38:06
○ 2026-07-17 14:29:24

○MXmx.jk.locaweb.com.br2015-08-17 → 2018-08-09 · 4 obs

● 2015-08-17 22:50:42
● 2018-08-09 19:38:06
○ 2026-02-15 11:36:36
○ 2026-07-17 14:29:24

●A104.21.39.2512026-02-15 → 2026-07-17 · 3 obs

○ 2018-08-09 19:38:06
● 2026-02-15 11:36:36
● 2026-07-17 14:29:24

●A172.67.172.1232026-02-15 → 2026-07-17 · 3 obs

○ 2018-08-09 19:38:06
● 2026-02-15 11:36:36
● 2026-07-17 14:29:24

○A186.202.150.212015-08-17 → 2017-01-27 · 4 obs

● 2015-08-17 22:50:42
● 2017-01-27 03:22:36
○ 2018-08-09 19:38:06
○ 2026-07-17 14:29:24

○A186.202.153.1492018-08-09 → 2018-08-09 · 4 obs

○ 2017-01-27 03:22:36
● 2018-08-09 19:38:06
○ 2026-02-15 11:36:36
○ 2026-07-17 14:29:24

●A2606:4700:3030::6815:27fb2026-07-02 → 2026-07-17 · 3 obs

○ 2026-06-14 19:16:00
● 2026-07-02 18:13:52
● 2026-07-17 14:29:24

○A2606:4700:3032::6815:27fb2026-02-15 → 2026-06-14 · 5 obs

○ 2018-08-09 19:38:06
● 2026-02-15 11:36:36
● 2026-06-14 19:16:00
○ 2026-07-02 18:13:52
○ 2026-07-17 14:29:24

●A2606:4700:3037::ac43:ac7b2026-02-15 → 2026-07-17 · 3 obs

○ 2018-08-09 19:38:06
● 2026-02-15 11:36:36
● 2026-07-17 14:29:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, d.dns.br, e.dns.br, b.dns.br...	-
cot.com.br	keyla.ns.cloudflare.com, trey.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.170

NS records: keyla.ns.cloudflare.com, trey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 694ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.39.251, 172.67.172.123`
AAAA	2	`2606:4700:3037::ac43:ac7b, 2606:4700:3030::6815:27fb`
NS	2	`keyla.ns.cloudflare.com, trey.ns.cloudflare.com`
MX	1	`cot-com-br.mail.protection.outlook.com (`
TXT	2	`MS=ms36782348, v=spf1 include:amazonses.com include:_sp`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`keyla.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

cot.com.br points to the four IP addresses 104.21.39.251, 172.67.172.123, 2606:4700:3030::6815:27fb and 2606:4700:3037::ac43:ac7b.

nsp.sk, betvirtual.co, hister.lt plus two other host names have IP numbers in common with cot.com.br.

Name Servers

cot.com.br is served by two delegated name servers, keyla.ns.cloudflare.com and trey.ns.cloudflare.com.

The name server configuration of cot.com.br is shared with other domains, for instance cotrauma.com.br, choosingcruising.co.uk, ortbarra.com.br and two others.

The name servers of cot.com.br overlap at least partially with those of other domains — among them thatslame.com, justinburrows.com, chuyennhathanhhoa.com and two more.

The name servers sloan.ns.cloudflare.com, clark.ns.cloudflare.com and nero.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

keyla.ns.cloudflare.com carries IP addresses 108.162.194.170, 162.159.38.170 and 172.64.34.170, with 3 other addresses beyond those.

trey.ns.cloudflare.com carries IP addresses 108.162.193.242, 172.64.33.242 and 173.245.59.242, with 3 other addresses beyond those.

Mail Servers

cot.com.br uses one mail server — cot-com-br.mail.protection.outlook.com.

cot-com-br.mail.protection.outlook.com has 8 IP addresses: 52.101.11.13, 52.101.11.17, 52.101.40.0 plus 5 more.