`rksecurity.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:afe4^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:504c^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.76^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.228^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arnold.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b45^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c145^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arnold.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2145^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arnold.ns.cloudflare.com`
		A	108.162.193.69^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	172.64.33.69^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	173.245.59.69^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
NS	`jamie.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jamie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jamie.ns.cloudflare.com`
		A	108.162.192.168^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	172.64.32.168^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	173.245.58.168^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
MX	`mx-ha.skymail.net.br` ⭐
		A	168.0.133.10^{🇧🇷 AS265262168.0.133.0/24}
			PTR	`mx-ha.skymail.net.br`
TXT	`v=spf1 include:spf.skymail.net.br -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.80.76, 172.67.175.228
		IPv6 hints	2606:4700:3030::ac43:afe4, 2606:4700:3032::6815:504c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOA	`arnold.ns.cloudflare.com`dns@cloudflare.com serial=2399286653

`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=2026114542

rank #563951 globally
rank #4136 in the tld
WOT: SAFE (69/100)

Same first word

rksecurity.com.br

rksecurity.com

DNS History

16 records (7 active, 9 former)

●NSarnold.ns.cloudflare.com2026-04-16 → 2026-04-24 · 3 obs

○ 2018-09-27 09:39:14
● 2026-04-16 23:46:12
● 2026-04-24 22:56:44

●NSjamie.ns.cloudflare.com2026-04-16 → 2026-04-24 · 3 obs

○ 2018-09-27 09:39:14
● 2026-04-16 23:46:12
● 2026-04-24 22:56:44

○NSmydns5.inova.com.br2015-06-27 → 2017-01-02 · 4 obs

● 2015-06-27 08:19:58
● 2017-01-02 10:29:20
○ 2018-09-27 09:39:14
○ 2026-04-24 22:56:44

○NSmydns6.inova.com.br2015-06-27 → 2017-01-02 · 4 obs

● 2015-06-27 08:19:58
● 2017-01-02 10:29:20
○ 2018-09-27 09:39:14
○ 2026-04-24 22:56:44

○NSns1.a.inova.com.br2015-06-27 → 2017-01-02 · 4 obs

● 2015-06-27 08:19:58
● 2017-01-02 10:29:20
○ 2018-09-27 09:39:14
○ 2026-04-24 22:56:44

○NSpdns07.domaincontrol.com2018-09-27 → 2018-09-27 · 4 obs

○ 2017-01-02 10:29:20
● 2018-09-27 09:39:14
○ 2026-04-16 23:46:12
○ 2026-04-24 22:56:44

○NSpdns08.domaincontrol.com2018-09-27 → 2018-09-27 · 4 obs

○ 2017-01-02 10:29:20
● 2018-09-27 09:39:14
○ 2026-04-16 23:46:12
○ 2026-04-24 22:56:44

●MXmx-ha.skymail.net.br2018-09-27 → 2026-04-24 · 3 obs

○ 2017-01-02 10:29:20
● 2018-09-27 09:39:14
● 2026-04-24 22:56:44

○MXmx.u.inova.com.br2015-06-27 → 2016-04-22 · 4 obs

● 2015-06-27 08:19:58
● 2016-04-22 16:08:06
○ 2017-01-02 10:29:20
○ 2026-04-24 22:56:44

○MXmxlite.u.inova.com.br2017-01-02 → 2017-01-02 · 4 obs

○ 2016-04-22 16:08:06
● 2017-01-02 10:29:20
○ 2018-09-27 09:39:14
○ 2026-04-24 22:56:44

●A104.21.80.762026-04-16 → 2026-04-24 · 3 obs

○ 2018-09-27 09:39:14
● 2026-04-16 23:46:12
● 2026-04-24 22:56:44

●A172.67.175.2282026-04-16 → 2026-04-24 · 3 obs

○ 2018-09-27 09:39:14
● 2026-04-16 23:46:12
● 2026-04-24 22:56:44

○A174.34.57.2332015-06-27 → 2016-04-22 · 4 obs

● 2015-06-27 08:19:58
● 2016-04-22 16:08:06
○ 2017-01-02 10:29:20
○ 2026-04-24 22:56:44

○A174.34.57.2362017-01-02 → 2018-09-27 · 5 obs

○ 2016-04-22 16:08:06
● 2017-01-02 10:29:20
● 2018-09-27 09:39:14
○ 2026-04-16 23:46:12
○ 2026-04-24 22:56:44

●A2606:4700:3030::ac43:afe42026-04-16 → 2026-04-24 · 3 obs

○ 2018-09-27 09:39:14
● 2026-04-16 23:46:12
● 2026-04-24 22:56:44

●A2606:4700:3032::6815:504c2026-04-16 → 2026-04-24 · 3 obs

○ 2018-09-27 09:39:14
● 2026-04-16 23:46:12
● 2026-04-24 22:56:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
rksecurity.com.br	arnold.ns.cloudflare.com, jamie.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.69

NS records: arnold.ns.cloudflare.com, jamie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1890ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.175.228, 104.21.80.76`
AAAA	2	`2606:4700:3032::6815:504c, 2606:4700:3030::ac43:afe4`
NS	2	`arnold.ns.cloudflare.com, jamie.ns.cloudflare.com`
MX	1	`mx-ha.skymail.net.br (pri: 5)`
TXT	1	`v=spf1 include:spf.skymail.net.br -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arnold.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

rksecurity.com.br points to four IP numbers: 2606:4700:3030::ac43:afe4, 2606:4700:3032::6815:504c, 104.21.80.76 and 172.67.175.228.

For instance, other host names hongduongpho.online, empoweringhairywomen.com, loathylayer.digital, nebulox.auction and (0x706f726e)4days.red share IP numbers with rksecurity.com.br.

Name Servers

rksecurity.com.br is delegated to two name servers: arnold.ns.cloudflare.com and jamie.ns.cloudflare.com.

rksecurity.com.br uses the same name server setup as other domains such as wvf.com.br, arcanjovalente.com.br, memk.com.br, santurineseguros.com.br and consultseg.com.

rksecurity.com.br shares name servers with other domains at least partially, for example proboid.com, 52955zz.com, youtubemp4free.com, rahatemlak.az and kickecosystem.com.

These name servers are commonly used with the name servers cris.ns.cloudflare.com and kanye.ns.cloudflare.com.

Host names with six IP numbers: host name arnold.ns.cloudflare.com points to: 2606:4700:58::adf5:3b45, 2803:f800:50::6ca2:c145, 2a06:98c1:50::ac40:2145, 108.162.193.69, 172.64.33.69 and 173.245.59.69; host name jamie.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa8, 2803:f800:50::6ca2:c0a8, 2a06:98c1:50::ac40:20a8, 108.162.192.168, 172.64.32.168 and 173.245.58.168.

Mail Servers

rksecurity.com.br is handled by a single mail server, mx-ha.skymail.net.br.

rksecurity.com.br shares the same mail server setup as other domains, for instance tucs.com.br, lopestintas.com.br, stbintranet.com.br, potencialexpress.com.br and sincoesp.org.br.

rksecurity.com.br shares some mail servers with other domains to some extent, for instance dioceseitabira.org.br and estudiovozbrasil.com.br.

mx-ha.skymail.net.br points to a single IP: 168.0.133.10.

rksecurity.com.br - robtex.com