b2b.dev - dns.ninja

`b2b.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:3458^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:c548^{🇺🇸 Cloudflare2606:4700:3036::/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}
			PTR	`lennox.ns.cloudflare.com`
		A	162.159.44.214^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lennox.ns.cloudflare.com`
		A	172.64.35.214^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lennox.ns.cloudflare.com`
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:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.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	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
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	2606:4700:3034::6815:3458, 2606:4700:3036::ac43:c548
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=120, name=cloudflare-ech.com
SOA	`lennox.ns.cloudflare.com`dns@cloudflare.com serial=2406702406

`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

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DNS History

17 records (11 active, 6 former)

●NSlennox.ns.cloudflare.com2026-02-16 → 2026-06-13 · 2 obs

● 2026-02-16 07:58:38
● 2026-06-13 14:32:54

●NSstephane.ns.cloudflare.com2026-02-16 → 2026-06-13 · 2 obs

● 2026-02-16 07:58:38
● 2026-06-13 14:32:54

●MXalt1.aspmx.l.google.com2026-02-16 → 2026-06-13 · 3 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-06-13 14:32:54

●MXalt2.aspmx.l.google.com2026-02-16 → 2026-06-13 · 3 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-06-13 14:32:54

●MXalt3.aspmx.l.google.com2026-02-16 → 2026-06-13 · 3 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-06-13 14:32:54

●MXalt4.aspmx.l.google.com2026-02-16 → 2026-06-13 · 3 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-06-13 14:32:54

●MXaspmx.l.google.com2026-02-16 → 2026-06-13 · 3 obs

○ 2017-09-13 09:07:36
● 2026-02-16 07:58:38
● 2026-06-13 14:32:54

○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
○ 2026-06-13 14:32:54

●A104.21.52.882026-02-16 → 2026-06-13 · 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
● 2026-06-13 14:32:54

○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
○ 2026-06-13 14:32:54

○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
○ 2026-06-13 14:32:54

●A172.67.197.722026-02-16 → 2026-06-13 · 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
○ 2026-06-13 14:32:54

○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
○ 2026-06-13 14:32:54

○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
○ 2026-06-13 14:32:54

●A2606:4700:3034::6815:34582026-02-16 → 2026-06-13 · 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
● 2026-06-13 14:32:54

●A2606:4700:3036::ac43:c5482026-02-16 → 2026-06-13 · 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
● 2026-06-13 14:32:54

🔍 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	stephane.ns.cloudflare.com, lennox.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.112

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: 508ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.52.88, 172.67.197.72`
AAAA	2	`2606:4700:3034::6815:3458, 2606:4700:3036::ac43:c548`
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 points to four IP numbers: 104.21.52.88, 172.67.197.72, 2606:4700:3034::6815:3458 and 2606:4700:3036::ac43:c548.

Among the host names that share IP numbers with b2b.dev are www.95757513.com.cdn.cloudflare.net, businesslogistics.com.gt, chinamedialab.biz and two others.

Name Servers

The NS records for b2b.dev delegate to lennox.ns.cloudflare.com and stephane.ns.cloudflare.com.

b2b.dev has the same name server delegation as a number of other domains, such as raizyr.org, vorteq.nl, adamsconsulting.info and two more.

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

These name servers are frequently seen alongside the name servers athena.ns.cloudflare.com, leanna.ns.cloudflare.com, simon.ns.cloudflare.com and yisroel.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

lennox.ns.cloudflare.com maps to 108.162.195.214, 162.159.44.214, 172.64.35.214 and 3 additional IP addresses.

stephane.ns.cloudflare.com maps to 108.162.194.112, 162.159.38.112, 172.64.34.112 and 3 additional IP addresses.

Mail Servers

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

b2b.dev shares at least some of its mail servers with other domains — for example hexasr.com, ns500698.ns500759.ns500758.ns500698.ns500758.ns500698.ns500735.ns500698.ns500736.ns500576.ns500576.ns500708.ns500576.ns500619.ns500652.ns500619.trackreceptor.com, viewnuvophotography.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

The A records for aspmx.l.google.com return 142.251.167.27 and 2607:f8b0:4004:c29::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1a.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1b.