rb4.com - dns.ninja

`rb4.com`

DNSSEC	⚠️ Not signed
A	44.227.65.245^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
		PTR	`ec2-44-227-65-245.us-west-2.compute.amazonaws.com`
A	44.227.76.166^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
NS	`curitiba.ns.porkbun.com` ⭐
		A	2400:cb00:2049:1::adf5:3a25^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.37^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`fortaleza.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:88c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.140^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`maceio.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:bb4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.11.180^{Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`salvador.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:a96^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.10.150^{Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2357118957

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1782863386

Same first word

rb4.us

rb4.de

rb4.net

rb4.ca

rb4.org

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rb4.com

rb4.eu

Similar names

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4br.me

r4b.ru

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4rb.com

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r4b.ir

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4br.ai

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r4b.nl

4br.com

4br.net

b4r.biz

4br.ir

b4r.eu

b4r.de

b4r.nl

b4r.io

4br.be

b4r.ch

b4r.yolasite.com

br4.us

br4.nl

br4.org

br4.in

4rb.de

br4.com.br

DNS History

12 records (6 active, 6 former)

●NScuritiba.ns.porkbun.com2026-02-16 → 2026-07-01 · 3 obs

○ 2016-10-25 22:14:36
● 2026-02-16 15:40:56
● 2026-07-01 00:13:36

●NSfortaleza.ns.porkbun.com2026-02-16 → 2026-07-01 · 3 obs

○ 2016-10-25 22:14:36
● 2026-02-16 15:40:56
● 2026-07-01 00:13:36

●NSmaceio.ns.porkbun.com2026-02-16 → 2026-07-01 · 3 obs

○ 2016-10-25 22:14:36
● 2026-02-16 15:40:56
● 2026-07-01 00:13:36

○NSns1.sedoparking.com2008-03-19 → 2016-10-25 · 4 obs

● 2008-03-19 23:12:12
● 2016-10-25 22:14:36
○ 2026-02-16 15:40:56
○ 2026-07-01 00:13:36

○NSns2.sedoparking.com2008-03-19 → 2016-10-25 · 4 obs

● 2008-03-19 23:12:12
● 2016-10-25 22:14:36
○ 2026-02-16 15:40:56
○ 2026-07-01 00:13:36

●NSsalvador.ns.porkbun.com2026-02-16 → 2026-07-01 · 3 obs

○ 2016-10-25 22:14:36
● 2026-02-16 15:40:56
● 2026-07-01 00:13:36

○MXlocalhost2016-10-25 → 2026-02-16 · 5 obs

○ 2016-08-11 17:06:46
● 2016-10-25 22:14:36
● 2026-02-16 15:40:56
○ 2026-02-27 11:48:22
○ 2026-07-01 00:13:36

○MXmail.nickstel.com2015-08-19 → 2016-08-11 · 5 obs

○ 2008-03-19 23:12:12
● 2015-08-19 10:08:36
● 2016-08-11 17:06:46
○ 2016-10-25 22:14:36
○ 2026-07-01 00:13:36

●A44.227.65.2452026-02-16 → 2026-07-01 · 3 obs

○ 2016-10-25 22:14:36
● 2026-02-16 15:40:56
● 2026-07-01 00:13:36

●A44.227.76.1662026-02-16 → 2026-07-01 · 3 obs

○ 2016-10-25 22:14:36
● 2026-02-16 15:40:56
● 2026-07-01 00:13:36

○A72.52.4.1192015-08-19 → 2016-10-25 · 5 obs

○ 2008-03-19 23:12:12
● 2015-08-19 10:08:36
● 2016-10-25 22:14:36
○ 2026-02-16 15:40:56
○ 2026-07-01 00:13:36

○A82.98.86.1782008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 23:12:12
○ 2015-08-19 10:08:36
○ 2026-07-01 00:13:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net...	-
rb4.com	maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com	8 records

✅ Authoritative Response

Server:162.159.11.180

NS records: maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rb4.com (unsigned zone)

⏱️ Timing

Total: 815ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`44.227.65.245, 44.227.76.166`
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (maceio.ns.porkbun.com, maceio.ns.porkbun.com, salvador.ns.porkbun.com...)

Analysis

IP Addresses

rb4.com points to the IP addresses 44.227.65.245 and 44.227.76.166

Two other host names, along with gethubspot.com, goalplannerplus.com and merch.fans, also share IP numbers with rb4.com.

Name Servers

The NS records for rb4.com point to four name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

The name servers of rb4.com overlap at least partially with those of other domains — among them zonaboom.com, colorironline.com, dispensamagazine.net and two more.

Each of the four hosts curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com has two IP addresses. curitiba.ns.porkbun.com points to 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25. fortaleza.ns.porkbun.com points to 162.159.8.140 and 2400:cb00:2049:1::a29f:88c. maceio.ns.porkbun.com points to 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4. salvador.ns.porkbun.com points to 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.