21tbs.com - robtex.com

21tbs.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:910🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8cd7🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.9.16Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.215🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSeva.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a72🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
A2803:f800:50::6ca2:c072🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTReva.ns.cloudflare.com
A2a06:98c1:50::ac40:2072🇺🇸 Cloudflare2a06:98c1:50::/45
PTReva.ns.cloudflare.com
A108.162.192.114🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
A172.64.32.114🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
A173.245.58.114🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
NSodin.ns.cloudflare.com
A2606:4700:58::a29f:2cd0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A2803:f800:50::6ca2:c3d0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRodin.ns.cloudflare.com
A2a06:98c1:50::ac40:23d0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRodin.ns.cloudflare.com
A108.162.195.208🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A162.159.44.208Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A172.64.35.208🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.9.16, 172.67.140.215
IPv62606:4700:3032::6815:910, 2606:4700:3037::ac43:8cd7
SOAeva.ns.cloudflare.comdns@cloudflare.com serial=2399299890

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774656907

Same first word

21tbs.com

Similar names

bst21.net
bst21.de
12bst.com
stb21.de
stb12.com
1st2b.com
sbt21.at
bts21.com
tsb21.ru

DNS History

16 records (6 active, 10 former)

2017201820192020202120222023202420252026NSeva.ns.cloudflare.comodin.ns.cloudflare.comjuming.dnsdun.comjuming.dnsdun.netns11.xincache.comns12.xincache.comA104.21.9.16172.67.140.2152606:4700:3032::6815:9102606:4700:3037::ac43:8cd7107.183.42.211116.255.214.242188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSeva.ns.cloudflare.com2026-02-21 → 2026-03-28 · 3 obs
○ 2017-04-22 16:45:10
● 2026-02-21 21:00:16
● 2026-03-28 00:35:48
○NSjuming.dnsdun.com2017-04-22 → 2017-04-22 · 4 obs
○ 2016-03-31 16:08:56
● 2017-04-22 16:45:10
○ 2026-02-21 21:00:16
○ 2026-03-28 00:35:48
○NSjuming.dnsdun.net2017-04-22 → 2017-04-22 · 4 obs
○ 2016-03-31 16:08:56
● 2017-04-22 16:45:10
○ 2026-02-21 21:00:16
○ 2026-03-28 00:35:48
○NSns11.xincache.com2016-01-03 → 2016-03-31 · 4 obs
● 2016-01-03 01:43:06
● 2016-03-31 16:08:56
○ 2017-04-22 16:45:10
○ 2026-03-28 00:35:48
○NSns12.xincache.com2016-01-03 → 2016-03-31 · 4 obs
● 2016-01-03 01:43:06
● 2016-03-31 16:08:56
○ 2017-04-22 16:45:10
○ 2026-03-28 00:35:48
●NSodin.ns.cloudflare.com2026-02-21 → 2026-03-28 · 3 obs
○ 2017-04-22 16:45:10
● 2026-02-21 21:00:16
● 2026-03-28 00:35:48
●A104.21.9.162026-02-21 → 2026-03-28 · 4 obs
○ 2017-04-22 16:45:10
● 2026-02-21 21:00:16
○ 2026-02-22 22:49:26
● 2026-03-28 00:35:48
○A107.183.42.2112017-04-22 → 2017-04-22 · 4 obs
○ 2016-03-31 16:08:56
● 2017-04-22 16:45:10
○ 2026-02-21 21:00:16
○ 2026-03-28 00:35:48
○A116.255.214.2422016-01-03 → 2016-03-31 · 4 obs
● 2016-01-03 01:43:06
● 2016-03-31 16:08:56
○ 2017-04-22 16:45:10
○ 2026-03-28 00:35:48
●A172.67.140.2152026-02-21 → 2026-03-28 · 4 obs
○ 2017-04-22 16:45:10
● 2026-02-21 21:00:16
○ 2026-02-22 22:49:26
● 2026-03-28 00:35:48
○A188.114.96.02026-02-22 → 2026-02-22 · 3 obs
○ 2026-02-21 21:00:16
● 2026-02-22 22:49:26
○ 2026-03-28 00:35:48
○A188.114.97.02026-02-22 → 2026-02-22 · 3 obs
○ 2026-02-21 21:00:16
● 2026-02-22 22:49:26
○ 2026-03-28 00:35:48
●A2606:4700:3032::6815:9102026-02-21 → 2026-03-28 · 4 obs
○ 2017-04-22 16:45:10
● 2026-02-21 21:00:16
○ 2026-02-22 22:49:26
● 2026-03-28 00:35:48
●A2606:4700:3037::ac43:8cd72026-02-21 → 2026-03-28 · 4 obs
○ 2017-04-22 16:45:10
● 2026-02-21 21:00:16
○ 2026-02-22 22:49:26
● 2026-03-28 00:35:48
○A2a06:98c1:3120::2026-02-22 → 2026-02-22 · 3 obs
○ 2026-02-21 21:00:16
● 2026-02-22 22:49:26
○ 2026-03-28 00:35:48
○A2a06:98c1:3121::2026-02-22 → 2026-02-22 · 3 obs
○ 2026-02-21 21:00:16
● 2026-02-22 22:49:26
○ 2026-03-28 00:35:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
21tbs.comeva.ns.cloudflare.com, odin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.114

NS records: eva.ns.cloudflare.com, odin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21tbs.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.9.16, 172.67.140.215
AAAA22606:4700:3032::6815:910, 2606:4700:3037::ac43:8cd7
NS2eva.ns.cloudflare.com, odin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1eva.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

21tbs.com points to four IP numbers: 2606:4700:3032::6815:910, 2606:4700:3037::ac43:8cd7, 104.21.9.16 and 172.67.140.215.

Other host names, for instance kebaya4dvista.com, xbets.cc, damdk.dk, phonesinfo.online and kurabiye.net share IP numbers with 21tbs.com.

Name Servers

21tbs.com's delegation is to two name servers eva.ns.cloudflare.com and odin.ns.cloudflare.com.

21tbs.com shares the same name server configuration as other domains, such as bjtzx.com, shgirl.cn, uqcg.cn, sadef.cn and qd-kanghe.com.

21tbs.com at least partially shares its name servers with other domains, for instance kouqiangwang.net, open-eco.fr, lojaobrafacil.com.br, 8749sgpcdd3.icu and v2-tun.net.

these name servers are commonly used with the name servers elaine.ns.cloudflare.com, desi.ns.cloudflare.com, igor.ns.cloudflare.com, quincy.ns.cloudflare.com and eloise.ns.cloudflare.com.

Host names with six IP numbers:

eva.ns.cloudflare.com points to: 2606:4700:50::adf5:3a72, 2803:f800:50::6ca2:c072, 2a06:98c1:50::ac40:2072, 108.162.192.114, 172.64.32.114 and 173.245.58.114.

odin.ns.cloudflare.com points to: 2606:4700:58::a29f:2cd0, 2803:f800:50::6ca2:c3d0, 2a06:98c1:50::ac40:23d0, 108.162.195.208, 162.159.44.208 and 172.64.35.208.