`cb.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:440a::ac40:98fd^{🇺🇸 Cloudflare2606:4700:440a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2a06:98c1:3103::6812:2303^{🇺🇸 Cloudflare2a06:98c1:3103::/48} ✓ In HTTPS hints
A	104.18.35.3^{Cloudflare104.18.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.152.253^{🇺🇸 Cloudflare172.64.152.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ns1.cb.dev` ⭐
		A	2400:cb00:2049:1::a29f:8cf^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.207^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.cb.dev`
		A	2400:cb00:2049:1::a29f:96d^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.9.109^{Cloudflare162.159.9.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`75d468e55ce44e2a8a138ab5ab9793fc`
TXT	`docusign=adfbd206-d184-4704-9dc6-5101307c9e17`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.35.3, 172.64.152.253
		IPv6 hints	2606:4700:440a::ac40:98fd, 2a06:98c1:3103::6812:2303
SOA	`ns1.cb.dev`dns@cloudflare.com serial=2411759105

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

⚠️ On DNS blocklist: nsfw
📈 Tranco rank: #58,326
🔒 HSTS Preload (+subdomains)

Subdomains

directory-v3-live.cb.dev

ns1.cb.dev

app-coral.cb.dev

ssh.cb.dev

www.cb.dev

ns2.cb.dev

testbed.cb.dev

bastion.cb.dev

directory-v3-testbed.cb.dev

Same first word

cb.com.cn

cb.com.br

cb.lc

cb.im

cb.id

cb.cn

cb.com.pl

cb.vu

cb.ac.th

cb.sb

cb.com.es

cb.insure

cb.no

cb.md

cb.net

cb.am

cb.agency

cb.tel

cb.dk

cb.akamaiedge.net

cb.chat

cb.cc

cb.be

cb.house

cb.email

cb.co

cb.digital

cb.org.br

cb.azureedge.net

cb.cl

cb.com.tr

cb.hu

cb.uy

cb.money

cb.biz

cb.cz

cb.today

cb.codes

cb.org.ua

cb.lt

cb.ink

cb.co.th

cb.ma

cb.lv

cb.nu

cb.markets

cb.bank

cb.es.gov.br

cb.idv.tw

cb.or.kr

cb.run

cb.wine

cb.lk

cb.co.nz

cb.com.au

cb.com.my

cb.is

cb.spb.ru

cb.com.tw

cb.cr

cb.homes

cb.cafe

cb.ro

cb.ge

cb.gov.sy

cb.do

cb.se

cb.gripe

cb.nl

cb.dev

cb.ce.gov.br

cb.gold

cb.com.hk

cb.gl

cb.co.id

cb.in.ua

cb.pl

cb.org

cb.org.mt

cb.net.cn

cb.(0x787878)

cb.legal

cb.com.pt

cb.ie

cb.country

cb.org.pt

cb.by

cb.qa

cb.click

cb.creditcard

cb.cm

cb.de

cb.photography

cb.kz

cb.io

cb.ag

cb.to

cb.ae

cb.szczecin.pl

cb.media

cb.tj

cb.com

cb.vg

cb.design

cb.sk

cb.akamai.net

cb.football

cb.company

cb.co.at

cb.su

cb.world

cb.pr

cb.gov.qa

cb.edu.mx

cb.tur.br

Similar names

bc.tv.br

bc.wine

bc.io

bc.photos

bc.com.ua

bc.net.ua

bc.nu

bc.fit

bc.vin

bc.training

bc.com.pt

bc.limited

bc.xyz

bc.business

bc.radom.pl

bc.games

bc.app

bc.biz

bc.hu

bc.go.kr

bc.edu

bc.cc

bc.sc.gov.br

bc.gold

bc.kg

bc.online

bc.digital

bc.services

bc.com.co

bc.web.tr

bc.vg

bc.wiki

bc.properties

bc.ru

bc.media

bc.ac.kr

bc.fyi

bc.solar

bc.su

bc.com.sa

bc.co.za

bc.net

bc.rentals

bc.fi

bc.arq.br

bc.academy

bc.sa

bc.tel

bc.casino

bc.ax

bc.co.th

bc.uz

bc.technology

bc.com.tw

bc.co.mz

bc.run

DNS History

15 records (11 active, 4 former)

●NSns1.cb.dev2026-02-15 → 2026-08-11 · 4 obs

● 2026-02-15 05:20:36
○ 2026-07-20 12:02:22
● 2026-07-20 15:31:32
● 2026-08-11 22:54:40

●NSns2.cb.dev2026-02-15 → 2026-08-11 · 4 obs

● 2026-02-15 05:20:36
○ 2026-07-20 12:02:22
● 2026-07-20 15:31:32
● 2026-08-11 22:54:40

●MXalt1.aspmx.l.google.com2026-02-15 → 2026-08-11 · 5 obs

○ 2017-01-15 13:03:40
● 2026-02-15 05:20:36
○ 2026-07-20 12:02:22
● 2026-07-20 15:31:32
● 2026-08-11 22:54:40

●MXalt2.aspmx.l.google.com2026-02-15 → 2026-08-11 · 5 obs

○ 2017-01-15 13:03:40
● 2026-02-15 05:20:36
○ 2026-07-20 12:02:22
● 2026-07-20 15:31:32
● 2026-08-11 22:54:40

●MXaspmx.l.google.com2026-02-15 → 2026-08-11 · 5 obs

○ 2017-01-15 13:03:40
● 2026-02-15 05:20:36
○ 2026-07-20 12:02:22
● 2026-07-20 15:31:32
● 2026-08-11 22:54:40

●MXaspmx2.googlemail.com2026-02-15 → 2026-08-11 · 5 obs

○ 2017-01-15 13:03:40
● 2026-02-15 05:20:36
○ 2026-07-20 12:02:22
● 2026-07-20 15:31:32
● 2026-08-11 22:54:40

●MXaspmx3.googlemail.com2026-02-15 → 2026-08-11 · 5 obs

○ 2017-01-15 13:03:40
● 2026-02-15 05:20:36
○ 2026-07-20 12:02:22
● 2026-07-20 15:31:32
● 2026-08-11 22:54:40

○MXyour-dns-needs-immediate-attention.dev2016-03-01 → 2017-01-15 · 4 obs

● 2016-03-01 17:50:20
● 2017-01-15 13:03:40
○ 2026-02-15 05:20:36
○ 2026-08-11 22:54:40

●A104.18.35.32026-02-15 → 2026-08-11 · 5 obs

○ 2017-01-15 13:03:40
● 2026-02-15 05:20:36
○ 2026-07-20 12:02:22
● 2026-07-20 15:31:32
● 2026-08-11 22:54:40

○A127.0.53.532016-03-01 → 2017-01-15 · 4 obs

● 2016-03-01 17:50:20
● 2017-01-15 13:03:40
○ 2026-02-15 05:20:36
○ 2026-08-11 22:54:40

●A172.64.152.2532026-02-15 → 2026-08-11 · 5 obs

○ 2017-01-15 13:03:40
● 2026-02-15 05:20:36
○ 2026-07-20 12:02:22
● 2026-07-20 15:31:32
● 2026-08-11 22:54:40

○A2606:4700:4404::6812:23032026-02-15 → 2026-02-15 · 4 obs

○ 2017-01-15 13:03:40
● 2026-02-15 05:20:36
○ 2026-06-18 22:14:12
○ 2026-08-11 22:54:40

●A2606:4700:440a::ac40:98fd2026-06-18 → 2026-08-11 · 5 obs

○ 2026-02-15 05:20:36
● 2026-06-18 22:14:12
○ 2026-07-20 12:02:22
● 2026-07-20 15:31:32
● 2026-08-11 22:54:40

●A2a06:98c1:3103::6812:23032026-06-18 → 2026-08-11 · 5 obs

○ 2026-02-15 05:20:36
● 2026-06-18 22:14:12
○ 2026-07-20 12:02:22
● 2026-07-20 15:31:32
● 2026-08-11 22:54:40

○A2a06:98c1:310b::ac40:98fd2026-02-15 → 2026-02-15 · 4 obs

○ 2017-01-15 13:03:40
● 2026-02-15 05:20:36
○ 2026-06-18 22:14:12
○ 2026-08-11 22:54:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
cb.dev	ns2.cb.dev, ns1.cb.dev	4 records

✅ Authoritative Response

Server:162.159.8.207

NS records: ns2.cb.dev, ns1.cb.dev

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 500ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.35.3, 172.64.152.253`
AAAA	2	`2a06:98c1:3103::6812:2303, 2606:4700:440a::ac40:98fd`
NS	2	`ns1.cb.dev, ns2.cb.dev`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	3	`75d468e55ce44e2a8a138ab5ab9793fc, docusign=adfbd206-d184-4704-9dc6-5101307...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`ns1.cb.dev dns.cloudflare.com`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.cb.dev, ns1.cb.dev, ns2.cb.dev...)

Analysis

Hierarchy

cb.dev is a parent domain; its children include directory-v3-live.cb.dev, ns1.cb.dev, app-coral.cb.dev, ssh.cb.dev, www.cb.dev and a few other host names.

IP Addresses

cb.dev has four IP addresses: 104.18.35.3, 172.64.152.253, 2606:4700:440a::ac40:98fd and 2a06:98c1:3103::6812:2303.

Two other host names, along with www.testbed.cb.dev, www.securitas.cz.cdn.cloudflare.net and www.on-running.com, also share IP numbers with cb.dev.

Name Servers

cb.dev has two authoritative name servers — ns1.cb.dev and ns2.cb.dev.

Both ns1.cb.dev and ns2.cb.dev have two IP addresses each. ns1.cb.dev resolves to 162.159.8.207 and 2400:cb00:2049:1::a29f:8cf; ns2.cb.dev resolves to 162.159.9.109 and 2400:cb00:2049:1::a29f:96d.

Mail Servers

Mail for cb.dev is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between cb.dev and other domains, including ns500821.ns500841.ns500841.ns500821.ns500794.ns500795.ns500821.ns500821.ns500795.ns500794.ns500795.lustypartnersfinder.com, ns500841.ns500794.ns500794.ns500821.ns500795.ns500821.ns500794.ns500795.ns500794.ns500790.ns500795.lustypartnersfinder.com, alfonsino.edu.mx and two others.

These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1a.

aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com resolves to 192.178.155.27 and 2607:f8b0:4004:c21::1a.

alt1.aspmx.l.google.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c14::1a IP addresses.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 192.178.234.26 IP addresses.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.26 IP addresses.

cb.dev - robtex.com

cb.dev

dev

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`cb.dev`

`dev`