code21.com.br - dns.ninja

`code21.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:b5c^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:a5b5^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.11.92^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.165.181^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`monika.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2638^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monika.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c238^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`monika.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2238^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`monika.ns.cloudflare.com`
		A	108.162.194.56^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monika.ns.cloudflare.com`
		A	162.159.38.56^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monika.ns.cloudflare.com`
		A	172.64.34.56^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monika.ns.cloudflare.com`
NS	`moura.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cd9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`moura.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`moura.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`moura.ns.cloudflare.com`
		A	108.162.195.217^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`moura.ns.cloudflare.com`
		A	162.159.44.217^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`moura.ns.cloudflare.com`
		A	172.64.35.217^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`moura.ns.cloudflare.com`
MX	`code21-com-br.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr21cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr21cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr05cu00501.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00200.inbound.protection.outlook.com`
		A	52.101.10.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr03cu00202.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.40.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr05cu00402.inbound.protection.outlook.com`
		A	52.101.41.54^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00506.inbound.protection.outlook.com`
TXT	`MS=ms70362201`
TXT	`code21.azurewebsites.net`
TXT	`mandrill_verify.dm6q2tzoxE3JusgLerJQ6w`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.11.92, 172.67.165.181
		IPv6 hints	2606:4700:3030::6815:b5c, 2606:4700:3031::ac43:a5b5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=109, name=cloudflare-ech.com
SOA	`monika.ns.cloudflare.com`dns@cloudflare.com serial=2410178389

`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=2026212540

rank #514606 globally
rank #3694 in the tld
WOT: SAFE (69/100)

Subdomains

www.code21.com.br

Same first word

code21.net

code21.com.br

code21.com.au

code21.com

code21.at

Similar names

code12.net

12code.nl

12doce.com

code12.cloud

1code2.com

code12.com.au

code12.com

21code.com

12code.eu

code12.de

deco21.de

code12.org

21doce.com.mx

12code.com

DNS History

20 records (7 active, 13 former)

○NSa.sec.dns.br2020-01-16 → 2020-01-16 · 3 obs

● 2020-01-16 14:08:20
○ 2026-02-16 10:07:20
○ 2026-07-31 22:58:40

○NSb.sec.dns.br2020-01-16 → 2020-01-16 · 3 obs

● 2020-01-16 14:08:20
○ 2026-02-16 10:07:20
○ 2026-07-31 22:58:40

●NSmonika.ns.cloudflare.com2026-02-16 → 2026-07-31 · 3 obs

○ 2020-01-16 14:08:20
● 2026-02-16 10:07:20
● 2026-07-31 22:58:40

●NSmoura.ns.cloudflare.com2026-02-16 → 2026-07-31 · 3 obs

○ 2020-01-16 14:08:20
● 2026-02-16 10:07:20
● 2026-07-31 22:58:40

●MXcode21-com-br.mail.protection.outlook.com2020-01-16 → 2026-07-31 · 2 obs

● 2020-01-16 14:08:20
● 2026-07-31 22:58:40

●A104.21.11.922026-03-30 → 2026-07-31 · 9 obs

○ 2026-03-17 04:42:36
● 2026-03-30 04:27:30
● 2026-04-12 23:48:06
○ 2026-04-14 04:31:58
● 2026-04-24 09:28:02
● 2026-06-03 10:12:24
○ 2026-06-04 12:47:58
● 2026-06-07 10:46:12
● 2026-07-31 22:58:40

●A172.67.165.1812026-03-30 → 2026-07-31 · 9 obs

○A188.114.96.02026-02-20 → 2026-06-04 · 11 obs

○ 2026-02-16 10:07:20
● 2026-02-20 22:12:54
● 2026-03-17 04:42:36
○ 2026-03-30 04:27:30
○ 2026-04-12 23:48:06
● 2026-04-14 04:31:58
○ 2026-04-24 09:28:02
○ 2026-06-03 10:12:24
● 2026-06-04 12:47:58
○ 2026-06-07 10:46:12
○ 2026-07-31 22:58:40

○A188.114.96.42026-02-16 → 2026-02-16 · 4 obs

○ 2020-01-16 14:08:20
● 2026-02-16 10:07:20
○ 2026-02-20 22:12:54
○ 2026-07-31 22:58:40

○A188.114.97.02026-02-20 → 2026-06-04 · 11 obs

○A188.114.97.42026-02-16 → 2026-02-16 · 4 obs

○ 2020-01-16 14:08:20
● 2026-02-16 10:07:20
○ 2026-02-20 22:12:54
○ 2026-07-31 22:58:40

○A191.232.176.162020-01-16 → 2020-01-16 · 3 obs

● 2020-01-16 14:08:20
○ 2026-02-16 10:07:20
○ 2026-07-31 22:58:40

●A2606:4700:3030::6815:b5c2026-06-25 → 2026-07-31 · 3 obs

○ 2026-06-16 00:35:44
● 2026-06-25 20:43:44
● 2026-07-31 22:58:40

○A2606:4700:3031::6815:b5c2026-03-30 → 2026-06-16 · 11 obs

●A2606:4700:3031::ac43:a5b52026-06-25 → 2026-07-31 · 3 obs

○ 2026-06-16 00:35:44
● 2026-06-25 20:43:44
● 2026-07-31 22:58:40

○A2606:4700:3036::ac43:a5b52026-03-30 → 2026-06-16 · 11 obs

○A2a06:98c1:3120::2026-02-20 → 2026-06-04 · 11 obs

○A2a06:98c1:3120::42026-02-16 → 2026-02-16 · 4 obs

○ 2020-01-16 14:08:20
● 2026-02-16 10:07:20
○ 2026-02-20 22:12:54
○ 2026-07-31 22:58:40

○A2a06:98c1:3121::2026-02-20 → 2026-06-04 · 11 obs

○A2a06:98c1:3121::42026-02-16 → 2026-02-16 · 4 obs

○ 2020-01-16 14:08:20
● 2026-02-16 10:07:20
○ 2026-02-20 22:12:54
○ 2026-07-31 22:58:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	f.dns.br, d.dns.br, b.dns.br, e.dns.br...	-
code21.com.br	moura.ns.cloudflare.com, monika.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.217

NS records: moura.ns.cloudflare.com, monika.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for code21.com.br (unsigned zone)

⏱️ Timing

Total: 928ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.165.181, 104.21.11.92`
AAAA	2	`2606:4700:3031::ac43:a5b5, 2606:4700:3030::6815:b5c`
NS	2	`monika.ns.cloudflare.com, moura.ns.cloudflare.com`
MX	1	`code21-com-br.mail.protection.outlook.co`
TXT	4	`MS=ms70362201, code21.azurewebsites.net...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`monika.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

code21.com.br is the parent zone for www.code21.com.br.

IP Addresses

code21.com.br resolves to four IP addresses: 104.21.11.92, 172.67.165.181, 2606:4700:3030::6815:b5c and 2606:4700:3031::ac43:a5b5.

setservice.net, www.sgsv-fsss.ch, kaimoba.com and two other host names share IP numbers with code21.com.br.

Name Servers

Two name servers handle the delegation for code21.com.br: monika.ns.cloudflare.com and moura.ns.cloudflare.com.

code21.com.br uses the same name servers as several other domains — among them neorole.click, wallisagencies.com, guildhmsinsurance.ca and two more.

code21.com.br partially shares its NS delegation with several other domains, including hylld.click, wj2v5.com, brilux.it and two others.

These name servers regularly co-occur with the name servers becky.ns.cloudflare.com, donna.ns.cloudflare.com and corey.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

monika.ns.cloudflare.com resolves to 108.162.194.56, 162.159.38.56 and 172.64.34.56 among others, with 3 other IP addresses in total.

moura.ns.cloudflare.com resolves to 108.162.195.217, 162.159.44.217 and 172.64.35.217 among others, with 3 other IP addresses in total.

Mail Servers

Mail for code21.com.br is handled by a single mail server, code21-com-br.mail.protection.outlook.com.

code21-com-br.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.10.2, 52.101.11.17, 52.101.40.2 and 5 others.