`b2b.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3458^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:c548^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.88^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.197.72^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lennox.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cd6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lennox.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lennox.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lennox.ns.cloudflare.com`
		A	108.162.195.214^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.214^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.214^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`stephane.ns.cloudflare.com`
		A	2606:4700:50::a29f:2670^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c270^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stephane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2270^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stephane.ns.cloudflare.com`
		A	108.162.194.112^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	162.159.38.112^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	172.64.34.112^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
TXT	`8f767d6e-4d67-48d9-86e8-a046934951d1=85a06e3be0e8a3d56520af65f147b5a13546c2a6...`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.88, 172.67.197.72
		IPv6 hints	2606:4700:3031::6815:3458, 2606:4700:3033::ac43:c548
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=102, name=cloudflare-ech.com
SOA	`lennox.ns.cloudflare.com`dns@cloudflare.com serial=2407355209

`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

🔒 HSTS Preload (+subdomains)

Same first word

b2b.net.gr

b2b.cn

b2b.gr.com

b2b.lc

b2b.de

b2b.cz

b2b.tj

b2b.lv

b2b.rs

b2b.lease

b2b.sn.cn

b2b.com.mx

b2b.cafe

b2b.house

b2b.vc

b2b.li

b2b.bz

b2b.work

b2b.ee

b2b.trade

b2b.com

b2b.qa

b2b.io

b2b.co.th

b2b.city

b2b.rw

b2b.gift

b2b.biz

b2b.next

b2b.plus

b2b.web.id

b2b.re

b2b.com.ph

b2b.ltd

b2b.net

b2b.london

b2b.lt

b2b.com.my

b2b.dp.ua

b2b.eu

b2b.money

b2b.group

b2b.tirol

b2b.is

b2b.nl

b2b.ie

b2b.kg

b2b.aero

b2b.college

b2b.zone

b2b.za.com

b2b.md

b2b.org

b2b.kr

b2b.shoes

b2b.chat

b2b.immo

b2b.to

b2b.apple

b2b.in

b2b.co.uk

b2b.lk

b2b.zp.ua

b2b.us

b2b.com.lv

b2b.js.cn

b2b.dev

b2b.travel

b2b.media

b2b.info

b2b.partners

b2b.legal

b2b.ch

b2b.tc

b2b.com.cn

b2b.jewelry

b2b.blue

b2b.paris

b2b.kz

b2b.bank

b2b.creditcard

b2b.tools

b2b.farm

b2b.it

b2b.st

b2b.taxi

b2b.team

b2b.com.ua

b2b.by

b2b.expert

b2b.dynalias.com

b2b.ae

b2b.ru

b2b.be

b2b.land

b2b.store

b2b.se

b2b.guide

b2b.web.tr

b2b.pl

b2b.nu

b2b.moda

b2b.target

b2b.productions

b2b.fashion

b2b.energy

Similar names

b2b.co.in

bb2.me

b2b.fm

2bb.dev

b2b.cm

b2b.school

b2b.training

2bb.me

b2b.fyi

b2b.guru

bb2.com

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bb2.bet

b2b.sd.cn

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bb2.online

b2b.jetzt

b2b.im

b2b.mx

b2b.agency

b2b.ink

b2b.am

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b2b.ag

b2b.capital

2bb.ai

b2b.com.pt

b2b.miami

b2b.tv

b2b.skin

bb2.cn

bb2.co

b2b.net.au

bb2.cc

b2b.credit

b2b.one

b2b.ca

b2b.fi

b2b.ma

bb2.se

bb2.nl

2bb.de

bb2.co.uk

2bb.com.mx

2bb.ch

bb2.ru

2bb.in

bb2.it

bb2.xyz

2bb.lol

2bb.dk

bb2.de

2bb.es

2bb.com

2bb.cn

bb2.fr

bb2.org

bb2.ai

2bb.ru

DNS History

19 records (11 active, 8 former)

●NSlennox.ns.cloudflare.com2026-02-16 → 2026-07-04 · 2 obs

● 2026-02-16 07:58:38
● 2026-07-04 10:40:58

●NSstephane.ns.cloudflare.com2026-02-16 → 2026-07-04 · 2 obs

● 2026-02-16 07:58:38
● 2026-07-04 10:40:58

●MXalt1.aspmx.l.google.com2026-02-16 → 2026-07-04 · 3 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-07-04 10:40:58

●MXalt2.aspmx.l.google.com2026-02-16 → 2026-07-04 · 3 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-07-04 10:40:58

●MXalt3.aspmx.l.google.com2026-02-16 → 2026-07-04 · 3 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-07-04 10:40:58

●MXalt4.aspmx.l.google.com2026-02-16 → 2026-07-04 · 3 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-07-04 10:40:58

●MXaspmx.l.google.com2026-02-16 → 2026-07-04 · 3 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-07-04 10:40:58

○MXyour-dns-needs-immediate-attention.dev2016-10-05 → 2017-09-13 · 4 obs

● 2016-10-05 08:13:00
● 2017-09-13 09:07:36
○ 2026-02-16 07:58:38
○ 2026-07-04 10:40:58

●A104.21.52.882026-02-16 → 2026-07-04 · 10 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-02-16 09:27:38
○ 2026-02-20 04:05:38
○ 2026-03-05 07:41:10
● 2026-04-01 17:13:10
● 2026-04-17 08:38:20
○ 2026-04-22 02:16:30
● 2026-04-26 05:57:54
● 2026-07-04 10:40:58

○A127.0.53.532016-10-05 → 2017-09-13 · 4 obs

● 2016-10-05 08:13:00
● 2017-09-13 09:07:36
○ 2026-02-16 07:58:38
○ 2026-07-04 10:40:58

○A172.64.80.12026-02-20 → 2026-03-05 · 5 obs

○ 2026-02-16 09:27:38
● 2026-02-20 04:05:38
● 2026-03-05 07:41:10
○ 2026-04-01 17:13:10
○ 2026-07-04 10:40:58

●A172.67.197.722026-02-16 → 2026-07-04 · 10 obs

○A188.114.96.02026-04-22 → 2026-04-22 · 4 obs

○ 2026-04-17 08:38:20
● 2026-04-22 02:16:30
○ 2026-04-26 05:57:54
○ 2026-07-04 10:40:58

○A188.114.97.02026-04-22 → 2026-04-22 · 4 obs

○ 2026-04-17 08:38:20
● 2026-04-22 02:16:30
○ 2026-04-26 05:57:54
○ 2026-07-04 10:40:58

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-20 → 2026-03-05 · 5 obs

○ 2026-02-16 09:27:38
● 2026-02-20 04:05:38
● 2026-03-05 07:41:10
○ 2026-04-01 17:13:10
○ 2026-07-04 10:40:58

●A2606:4700:3031::6815:34582026-07-04 → 2026-07-04 · 3 obs

○ 2026-06-13 14:32:54
● 2026-07-04 10:40:56
● 2026-07-04 10:40:58

●A2606:4700:3033::ac43:c5482026-07-04 → 2026-07-04 · 3 obs

○ 2026-06-13 14:32:54
● 2026-07-04 10:40:56
● 2026-07-04 10:40:58

○A2606:4700:3034::6815:34582026-02-16 → 2026-06-13 · 9 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-02-16 09:27:38
○ 2026-02-20 04:05:38
○ 2026-03-05 07:41:10
● 2026-04-01 17:13:10
● 2026-06-13 14:32:54
○ 2026-07-04 10:40:56
○ 2026-07-04 10:40:58

○A2606:4700:3036::ac43:c5482026-02-16 → 2026-06-13 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
b2b.dev	lennox.ns.cloudflare.com, stephane.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.214

NS records: lennox.ns.cloudflare.com, stephane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b2b.dev (unsigned zone)

⏱️ Timing

Total: 1056ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.52.88, 172.67.197.72`
AAAA	2	`2606:4700:3033::ac43:c548, 2606:4700:3031::6815:3458`
NS	2	`lennox.ns.cloudflare.com, stephane.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`8f767d6e-4d67-48d9-86e8-a046934951d1=85a, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lennox.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

b2b.dev has four IP addresses: 104.21.52.88, 172.67.197.72, 2606:4700:3031::6815:3458 and 2606:4700:3033::ac43:c548.

Two other host names, along with www.95757513.com.cdn.cloudflare.net, businesslogistics.com.gt and chinamedialab.biz, also share IP numbers with b2b.dev.

Name Servers

b2b.dev uses two name servers for its delegation: lennox.ns.cloudflare.com and stephane.ns.cloudflare.com.

b2b.dev shares its NS records with other domains, for example raizyr.org, vorteq.nl, adamsconsulting.info and two others.

b2b.dev shares at least some of its name servers with other domains, including visaxplorer.com, beneva.org, piksel.net and two others.

These name servers are frequently paired with the name servers athena.ns.cloudflare.com, simon.ns.cloudflare.com and leanna.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname lennox.ns.cloudflare.com directs to 108.162.195.214, 162.159.44.214 and 172.64.35.214 along with 3 other IP addresses.

Hostname stephane.ns.cloudflare.com directs to 108.162.194.112, 162.159.38.112 and 172.64.34.112 along with 3 other IP addresses.

Mail Servers

Mail for b2b.dev is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between b2b.dev and other domains, including hexasr.com, ns500698.ns500759.ns500758.ns500698.ns500758.ns500698.ns500735.ns500698.ns500736.ns500576.ns500576.ns500708.ns500576.ns500619.ns500652.ns500619.trackreceptor.com, viewnuvophotography.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com directs traffic to 142.251.163.26 and 2607:f8b0:4004:c1f::1a.

alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1a.

b2b.dev - robtex.com

b2b.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`b2b.dev`

`dev`