b2b.dev - robtex.com

b2b.dev

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:3458🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:c548🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.88Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.72🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlennox.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cd6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennox.ns.cloudflare.com
A2803:f800:50::6ca2:c3d6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlennox.ns.cloudflare.com
A2a06:98c1:50::ac40:23d6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlennox.ns.cloudflare.com
A108.162.195.214🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennox.ns.cloudflare.com
A162.159.44.214Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennox.ns.cloudflare.com
A172.64.35.214🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlennox.ns.cloudflare.com
NSstephane.ns.cloudflare.com
A2606:4700:50::a29f:2670🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstephane.ns.cloudflare.com
A2803:f800:50::6ca2:c270🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRstephane.ns.cloudflare.com
A2a06:98c1:50::ac40:2270🇺🇸 Cloudflare2a06:98c1:50::/45
PTRstephane.ns.cloudflare.com
A108.162.194.112🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstephane.ns.cloudflare.com
A162.159.38.112Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstephane.ns.cloudflare.com
A172.64.34.112🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstephane.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c07::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbc-in-f26.1e100.net
A142.251.163.26🇺🇸 Google142.251.163.0/24
PTRwv-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.27🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f27.1e100.net
TXT8f767d6e-4d67-48d9-86e8-a046934951d1=85a06e3be0e8a3d56520af65f147b5a13546c2a6...
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.88, 172.67.197.72
IPv6 hints2606:4700:3034::6815:3458, 2606:4700:3036::ac43:c548
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOAlennox.ns.cloudflare.comdns@cloudflare.com serial=2403722868

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

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DNS History

17 records (11 active, 6 former)

2017201820192020202120222023202420252026NSlennox.ns.cloudflare.comstephane.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comyour-dns-needs-immediate-attention.devA104.21.52.88172.67.197.722606:4700:3034::6815:34582606:4700:3036::ac43:c548127.0.53.53172.64.80.1188.114.96.0188.114.97.02606:4700:130:436c:6f75:6466:6c61:7265
●NSlennox.ns.cloudflare.com2026-02-16 → 2026-05-10 · 2 obs
● 2026-02-16 07:58:38
● 2026-05-10 00:43:40
●NSstephane.ns.cloudflare.com2026-02-16 → 2026-05-10 · 2 obs
● 2026-02-16 07:58:38
● 2026-05-10 00:43:40
●MXalt1.aspmx.l.google.com2026-02-16 → 2026-05-10 · 3 obs
○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-05-10 00:43:40
●MXalt2.aspmx.l.google.com2026-02-16 → 2026-05-10 · 3 obs
○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-05-10 00:43:40
●MXalt3.aspmx.l.google.com2026-02-16 → 2026-05-10 · 3 obs
○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-05-10 00:43:40
●MXalt4.aspmx.l.google.com2026-02-16 → 2026-05-10 · 3 obs
○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-05-10 00:43:40
●MXaspmx.l.google.com2026-02-16 → 2026-05-10 · 3 obs
○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-05-10 00:43:40
○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
○ 2026-05-10 00:43:40
●A104.21.52.882026-02-16 → 2026-05-10 · 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
● 2026-05-10 00:43:40
○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
○ 2026-05-10 00:43:40
○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
○ 2026-05-10 00:43:40
●A172.67.197.722026-02-16 → 2026-05-10 · 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
● 2026-05-10 00:43:40
○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
○ 2026-05-10 00:43:40
○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
○ 2026-05-10 00:43:40
○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
○ 2026-05-10 00:43:40
●A2606:4700:3034::6815:34582026-02-16 → 2026-05-10 · 7 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
● 2026-05-10 00:43:40
●A2606:4700:3036::ac43:c5482026-02-16 → 2026-05-10 · 7 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
● 2026-05-10 00:43:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
b2b.devstephane.ns.cloudflare.com, lennox.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.214

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b2b.dev (unsigned zone)

⏱️ Timing

Total: 679ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.197.72, 104.21.52.88
AAAA22606:4700:3034::6815:3458, 2606:4700:3036::ac43:c548
NS2lennox.ns.cloudflare.com, stephane.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT28f767d6e-4d67-48d9-86e8-a046934951d1=85a, v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1lennox.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

Four IP numbers are pointed to by b2b.dev: 2606:4700:3034::6815:3458, 2606:4700:3036::ac43:c548, 104.21.52.88 and 172.67.197.72.

other host names including www.95757513.com.cdn.cloudflare.net, businesslogistics.com.gt, chinamedialab.biz, clarionthavose.com and 365web.online share IP numbers with b2b.dev.

Name Servers

b2b.dev is delegated to two name servers lennox.ns.cloudflare.com and stephane.ns.cloudflare.com.

b2b.dev shares the same name server setup as other domains, for instance raizyr.org, vorteq.nl, adamsconsulting.info, raizyr.com and medivus.nl.

b2b.dev at least partially shares name servers with other domains, for instance visaxplorer.com, piksel.net, mototripsinmorocco.com, vetboutique.ca and coconutjoecayman.com.

These name servers are commonly used alongside athena.ns.cloudflare.com and johnathan.ns.cloudflare.com.

Host names with six IP numbers:

Host name lennox.ns.cloudflare.com points to: 2606:4700:58::a29f:2cd6, 2803:f800:50::6ca2:c3d6, 2a06:98c1:50::ac40:23d6, 108.162.195.214, 162.159.44.214 and 172.64.35.214.

Host name stephane.ns.cloudflare.com points to: 2606:4700:50::a29f:2670, 2803:f800:50::6ca2:c270, 2a06:98c1:50::ac40:2270, 108.162.194.112, 162.159.38.112 and 172.64.34.112.

Mail Servers

b2b.dev is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

b2b.dev shares some mail servers with other domains, at least partially, for instance hexasr.com, ns500698.ns500759.ns500758.ns500698.ns500758.ns500698.ns500735.ns500698.ns500736.ns500576.ns500576.ns500708.ns500576.ns500619.ns500652.ns500619.trackreceptor.com, viewnuvophotography.com, coapp.io and dieselheat.com.au.

these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c07::1a and 142.251.163.26

alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27

alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.26

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

alt4.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.27