b2bboost.cz - robtex.com

b2bboost.cz

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:2186🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:be1b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.33.134Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.27🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrad.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b69🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
A2803:f800:50::6ca2:c169🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrad.ns.cloudflare.com
A2a06:98c1:50::ac40:2169🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrad.ns.cloudflare.com
A108.162.193.105🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
A172.64.33.105🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
A173.245.59.105🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrad.ns.cloudflare.com
NSsara.ns.cloudflare.com
A2606:4700:50::adf5:3a90🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
A2803:f800:50::6ca2:c090🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsara.ns.cloudflare.com
A2a06:98c1:50::ac40:2090🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsara.ns.cloudflare.com
A108.162.192.144🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
A172.64.32.144🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
A173.245.58.144🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXaspmx2.googlemail.com(10)
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
MXaspmx3.googlemail.com(10)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
TXTgoogle-site-verification=11kruXJZ4MXapF62uhGoAAXCNs5pP6K7U2BKlnyY-74
TXTgoogle-site-verification=uAqwAUr3opWY7LauVRj1xgoKYed_8vRamHJ00XrLoWw
TXTv=spf1 include:_spf.google.com include:servers.mcsv.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.33.134, 172.67.190.27
IPv62606:4700:3034::6815:2186, 2606:4700:3037::ac43:be1b
SOAbrad.ns.cloudflare.comdns@cloudflare.com serial=2399782919

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1774513034

Subdomains

www.b2bboost.cz

Same first word

b2bboost.com
b2bboost.co
b2bboost.cz

Similar names

boostb2b.com

DNS History

15 records (11 active, 4 former)

NSbrad.ns.cloudflare.comsara.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.33.134172.67.190.272606:4700:3034::6815:21862606:4700:3037::ac43:be1b188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSbrad.ns.cloudflare.com2026-02-17 → 2026-03-26 · 2 obs
● 2026-02-17 02:15:58
● 2026-03-26 08:47:24
●NSsara.ns.cloudflare.com2026-02-17 → 2026-03-26 · 2 obs
● 2026-02-17 02:15:58
● 2026-03-26 08:47:24
●MXalt1.aspmx.l.google.com2026-02-17 → 2026-03-26 · 2 obs
● 2026-02-17 02:15:58
● 2026-03-26 08:47:24
●MXalt2.aspmx.l.google.com2026-02-17 → 2026-03-26 · 2 obs
● 2026-02-17 02:15:58
● 2026-03-26 08:47:24
●MXaspmx.l.google.com2026-02-17 → 2026-03-26 · 2 obs
● 2026-02-17 02:15:58
● 2026-03-26 08:47:24
●MXaspmx2.googlemail.com2026-02-17 → 2026-03-26 · 2 obs
● 2026-02-17 02:15:58
● 2026-03-26 08:47:24
●MXaspmx3.googlemail.com2026-02-17 → 2026-03-26 · 2 obs
● 2026-02-17 02:15:58
● 2026-03-26 08:47:24
●A104.21.33.1342026-02-17 → 2026-03-26 · 5 obs
● 2026-02-17 02:15:58
○ 2026-02-18 21:58:10
● 2026-02-19 00:22:26
○ 2026-02-19 03:02:08
● 2026-03-26 08:47:24
●A172.67.190.272026-02-17 → 2026-03-26 · 5 obs
● 2026-02-17 02:15:58
○ 2026-02-18 21:58:10
● 2026-02-19 00:22:26
○ 2026-02-19 03:02:08
● 2026-03-26 08:47:24
○A188.114.96.02026-02-18 → 2026-02-19 · 5 obs
○ 2026-02-17 02:15:58
● 2026-02-18 21:58:10
○ 2026-02-19 00:22:26
● 2026-02-19 03:02:08
○ 2026-03-26 08:47:24
○A188.114.97.02026-02-18 → 2026-02-19 · 5 obs
○ 2026-02-17 02:15:58
● 2026-02-18 21:58:10
○ 2026-02-19 00:22:26
● 2026-02-19 03:02:08
○ 2026-03-26 08:47:24
●A2606:4700:3034::6815:21862026-02-17 → 2026-03-26 · 5 obs
● 2026-02-17 02:15:58
○ 2026-02-18 21:58:10
● 2026-02-19 00:22:26
○ 2026-02-19 03:02:08
● 2026-03-26 08:47:24
●A2606:4700:3037::ac43:be1b2026-02-17 → 2026-03-26 · 5 obs
● 2026-02-17 02:15:58
○ 2026-02-18 21:58:10
● 2026-02-19 00:22:26
○ 2026-02-19 03:02:08
● 2026-03-26 08:47:24
○A2a06:98c1:3120::2026-02-18 → 2026-02-19 · 5 obs
○ 2026-02-17 02:15:58
● 2026-02-18 21:58:10
○ 2026-02-19 00:22:26
● 2026-02-19 03:02:08
○ 2026-03-26 08:47:24
○A2a06:98c1:3121::2026-02-18 → 2026-02-19 · 5 obs
○ 2026-02-17 02:15:58
● 2026-02-18 21:58:10
○ 2026-02-19 00:22:26
● 2026-02-19 03:02:08
○ 2026-03-26 08:47:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
b2bboost.czbrad.ns.cloudflare.com, sara.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.144

NS records: brad.ns.cloudflare.com, sara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b2bboost.cz (unsigned zone)

⏱️ Timing

Total: 832ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.33.134, 172.67.190.27
AAAA22606:4700:3037::ac43:be1b, 2606:4700:3034::6815:2186
NS2brad.ns.cloudflare.com, sara.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...
TXT3google-site-verification=11kruXJZ4MXapF6, google-site-verification=uAqwAUr3opWY7La...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brad.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

The parent of www.b2bboost.cz is b2bboost.cz.

IP Addresses

b2bboost.cz points to four IP numbers: 2606:4700:3034::6815:2186, 2606:4700:3037::ac43:be1b, 104.21.33.134 and 172.67.190.27.

Other host names, for instance greatlocallistings.com, le-xin.com, 00cfd7afc0a9.gta.clothing, stonesoupbatiks.com and jellagen.com share IP numbers with b2bboost.cz.

Name Servers

b2bboost.cz is delegated to two name servers: brad.ns.cloudflare.com and sara.ns.cloudflare.com.

b2bboost.cz uses the same name server setup as other domains, for instance orel.pro, maplemoney.com, lextab.com, sliker.com and todamujeresbella.com.

b2bboost.cz shares name servers with other domains at least partially, for instance sh-smt.net, appycat.co.nz, wudifenghuoluna.com, cubach.com and weatherpage.ca.

these name servers are often used together with the name servers carter.ns.cloudflare.com.

Host names with six IP numbers: brad.ns.cloudflare.com points to 2606:4700:58::adf5:3b69, 2803:f800:50::6ca2:c169, 2a06:98c1:50::ac40:2169, 108.162.193.105, 172.64.33.105 and 173.245.59.105; sara.ns.cloudflare.com points to 2606:4700:50::adf5:3a90, 2803:f800:50::6ca2:c090, 2a06:98c1:50::ac40:2090, 108.162.192.144, 172.64.32.144 and 173.245.58.144.

Mail Servers

b2bboost.cz is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

b2bboost.cz shares some mail servers with other domains, including ns500671.ns500731.ns500731.ns500731.ns500704.ns500704.ns500705.ns500649.ns500649.ns500649.lustychickser.com, lightboxcoaching.com, ns500759.ns500758.ns500759.ns500698.ns500698.ns500735.ns500576.ns500698.ns500576.ns500576.trackreceptor.com, ns500768.ns500759.ns500759.ns500698.ns500758.ns500758.ns500735.ns500735.ns500735.ns500708.ns500576.ns500576.ns500698.ns500576.trackreceptor.com and ns500742.ns500742.ns500731.ns500742.ns500742.ns500742.ns500671.ns500688.ns500678.ns500671.ns500671.ns500671.ns500131.lustychickser.com.

these mail servers are commonly used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27

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

aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.26

alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1b and 192.178.128.26

alt2.aspmx.l.google.com points to 2607:f8b0:4023:1015::1b and 172.253.135.27

Host names pointing to 2607:f8b0:4023:2801::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com