`b2blue.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:a9b^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:b9b^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:44e0^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.10.155^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.11.155^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.68.224^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dom.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dom.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dom.ns.cloudflare.com`
		A	108.162.193.157^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
		A	172.64.33.157^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
		A	173.245.59.157^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
NS	`zara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a94^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c094^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2094^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zara.ns.cloudflare.com`
		A	108.162.192.148^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	172.64.32.148^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	173.245.58.148^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
TXT	`atlassian-domain-verification=tZwOhDqymT/GU5wToj3a8j/XvvI2gPoMW3csjcfdDdjfIE0...`
TXT	`facebook-domain-verification=wnwcipqukqivee4qfu9nzvm7kzkap6`
TXT	`google-site-verification=R8n8oGLHBFuKkZtOF6MCAI-56mc4dr8alOjNHjA3L9E`
TXT	`hubspot-developer-verification=ZjE2YzVlNzItYzNkOC00OTA0LTk1NDYtNmI5OGU1ZTA3ZWFh`
TXT	`v=spf1 include:8076505.spf10.hubspotemail.net -all`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.26.10.155, 104.26.11.155, 172.67.68.224
		IPv6	2606:4700:20::681a:a9b, 2606:4700:20::681a:b9b, 2606:4700:20::ac43:44e0
SOA	`dom.ns.cloudflare.com`dns@cloudflare.com serial=2397566169

`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=1771291435

Up

www.b2blue.com

Same first word

b2blue.com

b2blue.com.br

b2blue.net

Similar names

blue2b.com

DNS History

21 records (13 active, 8 former)

●NSdom.ns.cloudflare.com2026-02-16 → 2026-02-26 · 3 obs

○ 2017-02-08 15:50:34
● 2026-02-16 21:48:32
● 2026-02-26 15:18:22

○NSns1.linode.com2015-07-21 → 2017-02-08 · 4 obs

● 2015-07-21 06:04:00
● 2017-02-08 15:50:34
○ 2026-02-16 21:48:32
○ 2026-02-26 15:18:22

○NSns2.linode.com2015-07-21 → 2017-02-08 · 4 obs

● 2015-07-21 06:04:00
● 2017-02-08 15:50:34
○ 2026-02-16 21:48:32
○ 2026-02-26 15:18:22

○NSns3.linode.com2015-07-21 → 2017-02-08 · 4 obs

● 2015-07-21 06:04:00
● 2017-02-08 15:50:34
○ 2026-02-16 21:48:32
○ 2026-02-26 15:18:22

○NSns4.linode.com2015-07-21 → 2017-02-08 · 4 obs

● 2015-07-21 06:04:00
● 2017-02-08 15:50:34
○ 2026-02-16 21:48:32
○ 2026-02-26 15:18:22

○NSns5.linode.com2015-07-21 → 2017-02-08 · 4 obs

● 2015-07-21 06:04:00
● 2017-02-08 15:50:34
○ 2026-02-16 21:48:32
○ 2026-02-26 15:18:22

●NSzara.ns.cloudflare.com2026-02-16 → 2026-02-26 · 3 obs

○ 2017-02-08 15:50:34
● 2026-02-16 21:48:32
● 2026-02-26 15:18:22

●MXalt1.aspmx.l.google.com2015-07-21 → 2026-02-26 · 2 obs

● 2015-07-21 06:04:00
● 2026-02-26 15:18:22

●MXalt2.aspmx.l.google.com2015-07-21 → 2026-02-26 · 2 obs

● 2015-07-21 06:04:00
● 2026-02-26 15:18:22

●MXalt3.aspmx.l.google.com2026-02-16 → 2026-02-26 · 3 obs

○ 2017-02-08 15:50:34
● 2026-02-16 21:48:32
● 2026-02-26 15:18:22

●MXalt4.aspmx.l.google.com2026-02-16 → 2026-02-26 · 3 obs

○ 2017-02-08 15:50:34
● 2026-02-16 21:48:32
● 2026-02-26 15:18:22

●MXaspmx.l.google.com2015-07-21 → 2026-02-26 · 2 obs

● 2015-07-21 06:04:00
● 2026-02-26 15:18:22

○MXaspmx2.googlemail.com2015-07-21 → 2017-02-08 · 4 obs

● 2015-07-21 06:04:00
● 2017-02-08 15:50:34
○ 2026-02-16 21:48:32
○ 2026-02-26 15:18:22

○MXaspmx3.googlemail.com2015-07-21 → 2017-02-08 · 4 obs

● 2015-07-21 06:04:00
● 2017-02-08 15:50:34
○ 2026-02-16 21:48:32
○ 2026-02-26 15:18:22

●A104.26.10.1552026-02-16 → 2026-02-26 · 3 obs

○ 2017-02-08 15:50:34
● 2026-02-16 21:48:32
● 2026-02-26 15:18:22

●A104.26.11.1552026-02-16 → 2026-02-26 · 3 obs

○ 2017-02-08 15:50:34
● 2026-02-16 21:48:32
● 2026-02-26 15:18:22

●A172.67.68.2242026-02-16 → 2026-02-26 · 3 obs

○ 2017-02-08 15:50:34
● 2026-02-16 21:48:32
● 2026-02-26 15:18:22

○A174.129.25.1702015-07-21 → 2017-02-08 · 4 obs

● 2015-07-21 06:04:00
● 2017-02-08 15:50:34
○ 2026-02-16 21:48:32
○ 2026-02-26 15:18:22

●A2606:4700:20::681a:a9b2026-02-16 → 2026-02-26 · 3 obs

○ 2017-02-08 15:50:34
● 2026-02-16 21:48:32
● 2026-02-26 15:18:22

●A2606:4700:20::681a:b9b2026-02-16 → 2026-02-26 · 3 obs

○ 2017-02-08 15:50:34
● 2026-02-16 21:48:32
● 2026-02-26 15:18:22

●A2606:4700:20::ac43:44e02026-02-16 → 2026-02-26 · 3 obs

○ 2017-02-08 15:50:34
● 2026-02-16 21:48:32
● 2026-02-26 15:18:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
b2blue.com	zara.ns.cloudflare.com, dom.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 173.245.58.148

NS records: zara.ns.cloudflare.com, dom.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b2blue.com (unsigned zone)

⏱️ Timing

Total: 234ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.10.155, 172.67.68.224...`
AAAA	3	`2606:4700:20::681a:b9b, 2606:4700:20::ac43:44e0...`
NS	2	`dom.ns.cloudflare.com, zara.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	6	`atlassian-domain-verification=tZwOhDqymT, facebook-domain-verification=wnwcipqukqi...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`dom.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (zara.ns.cloudflare.com, zara.ns.cloudflare.com, zara.ns.cloudflare.com...)

AI analysis

www.b2blue.com has b2blue.com as its parent.

b2blue.com resolves to six IP numbers: 2606:4700:20::681a:a9b, 2606:4700:20::681a:b9b, 2606:4700:20::ac43:44e0, 104.26.10.155, 104.26.11.155 and 172.67.68.224.

Other host names, for instance normeccertification.nl, bbsys.ca, yac.com, rwx.com and fogoislandarts.ca share IP numbers with b2blue.com.

Two name servers dom.ns.cloudflare.com and zara.ns.cloudflare.com are delegated to b2blue.com.

b2blue.com uses the same name server configuration as other domains, such as batterybot.info, brownwhitelaw.com, scotthamilton.com.au, moomoocarwash.com and greencleanexpress.com.

b2blue.com at least partially shares name servers with other domains such as ysermonde.be, 284qq.com, leafhomewaterquality.com, kmsgalway.com and berliner-antiquariate.de.

These name servers are commonly used with june.ns.cloudflare.com and dina.ns.cloudflare.com.

Host names with six IP numbers: Host name dom.ns.cloudflare.com points to 2606:4700:58::adf5:3b9d, 2803:f800:50::6ca2:c19d, 2a06:98c1:50::ac40:219d, 108.162.193.157, 172.64.33.157 and 173.245.59.157; host name zara.ns.cloudflare.com points to 2606:4700:50::adf5:3a94, 2803:f800:50::6ca2:c094, 2a06:98c1:50::ac40:2094, 108.162.192.148, 172.64.32.148 and 173.245.58.148.

b2blue.com 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.

b2blue.com shares mail servers with other domains at least in part, for instance taoda.jp, ns500821.ns500821.ns500794.ns500821.ns500821.ns500794.ns500795.ns500794.ns500821.ns500794.ns500821.ns500794.ns500821.ns500795.ns500795.lustypartnersfinder.com, adventurous-adventures.com, r-com.com.mx and bhrlp-tx.com.

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

Two IPs per host name:

aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27

alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26

alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26

alt3.aspmx.l.google.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.26

alt4.aspmx.l.google.com points to: 2607:f8b0:4023:403::1a and 142.250.96.27

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)

b2blue.com - robtex.com

b2blue.com

com

Up

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

AI analysis

`b2blue.com`

`com`