csslab.cn - dns.ninja

csslab.cn

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:c8d7🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:15dd🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.221Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.200.215🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkarl.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bbe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarl.ns.cloudflare.com
A2803:f800:50::6ca2:c1be🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkarl.ns.cloudflare.com
A2a06:98c1:50::ac40:21be🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkarl.ns.cloudflare.com
A108.162.193.190🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarl.ns.cloudflare.com
A172.64.33.190🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarl.ns.cloudflare.com
A173.245.59.190🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarl.ns.cloudflare.com
NSstevie.ns.cloudflare.com
A2606:4700:50::a29f:266a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
A2803:f800:50::6ca2:c26a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRstevie.ns.cloudflare.com
A2a06:98c1:50::ac40:226a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRstevie.ns.cloudflare.com
A108.162.194.106🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
A162.159.38.106Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
A172.64.34.106🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstevie.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.21.221, 172.67.200.215
IPv6 hints2606:4700:3030::ac43:c8d7, 2606:4700:3031::6815:15dd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com
SOAkarl.ns.cloudflare.comdns@cloudflare.com serial=2410742797

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035113215

Subdomains

www.csslab.cn

Same first word

csslab.cl
csslab.org
csslab.net
csslab.herokuapp.com
csslab.cn
csslab.com
csslab.ru

Similar names

classb.com
classb.org
ssclab.org
cslabs.ca
bclass.com.pe
sclabs.blogspot.com
scslab.dk
bclass.org
absslc.org
sclabs.de
sclabs.org
slabsc.com
sclabs.com
bcssal.com
cslabs.com
sbcasl.com
cslabs.lk
sclabs.at
sclabs.ir
classb.de
bclass.com
scslab.com
cslabs.org
bclass.co.il
bclass.com.br
bclass.info
sclbsa.org
cslabs.biz
cslabs.tech
scslab.net
ssclab.com
sbacls.com
classb.net
bclass.ru
bcssla.com
sclabs.net
sclabs.co
labcss.com
sclabs.co.nz

DNS History

13 records (6 active, 7 former)

20192020202120222023202420252026NSkarl.ns.cloudflare.comstevie.ns.cloudflare.comns1.nowcndns.comns2.nowcndns.comwww.csslab.cnA104.21.21.221172.67.200.2152606:4700:3030::ac43:c8d72606:4700:3031::6815:15dd2606:4700:3033::ac43:c8d72606:4700:3034::6815:15dd38.38.161.231CNAMEc.dcoin.co
●NSkarl.ns.cloudflare.com2026-06-14 → 2026-07-30 · 3 obs
○ 2026-03-26 01:31:02
● 2026-06-14 07:58:04
● 2026-07-30 22:53:20
○NSns1.nowcndns.com2026-03-07 → 2026-03-26 · 5 obs
○ 2021-04-01 01:32:46
● 2026-03-07 07:00:24
● 2026-03-26 01:31:02
○ 2026-06-14 07:58:04
○ 2026-07-30 22:53:20
○NSns2.nowcndns.com2026-03-07 → 2026-03-26 · 5 obs
○ 2021-04-01 01:32:46
● 2026-03-07 07:00:24
● 2026-03-26 01:31:02
○ 2026-06-14 07:58:04
○ 2026-07-30 22:53:20
●NSstevie.ns.cloudflare.com2026-06-14 → 2026-07-30 · 3 obs
○ 2026-03-26 01:31:02
● 2026-06-14 07:58:04
● 2026-07-30 22:53:20
○NSwww.csslab.cn2018-07-11 → 2018-07-11 · 3 obs
● 2018-07-11 19:28:20
○ 2021-04-01 01:32:46
○ 2026-07-30 22:53:20
●A104.21.21.2212026-06-14 → 2026-07-30 · 3 obs
○ 2026-03-26 01:31:02
● 2026-06-14 07:58:04
● 2026-07-30 22:53:20
●A172.67.200.2152026-06-14 → 2026-07-30 · 3 obs
○ 2026-03-26 01:31:02
● 2026-06-14 07:58:04
● 2026-07-30 22:53:20
●A2606:4700:3030::ac43:c8d72026-06-30 → 2026-07-30 · 3 obs
○ 2026-06-14 07:58:04
● 2026-06-30 11:14:36
● 2026-07-30 22:53:20
●A2606:4700:3031::6815:15dd2026-06-30 → 2026-07-30 · 3 obs
○ 2026-06-14 07:58:04
● 2026-06-30 11:14:36
● 2026-07-30 22:53:20
○A2606:4700:3033::ac43:c8d72026-06-14 → 2026-06-14 · 4 obs
○ 2026-03-26 01:31:02
● 2026-06-14 07:58:04
○ 2026-06-30 11:14:36
○ 2026-07-30 22:53:20
○A2606:4700:3034::6815:15dd2026-06-14 → 2026-06-14 · 4 obs
○ 2026-03-26 01:31:02
● 2026-06-14 07:58:04
○ 2026-06-30 11:14:36
○ 2026-07-30 22:53:20
○A38.38.161.2312026-03-07 → 2026-03-26 · 4 obs
● 2026-03-07 07:00:24
● 2026-03-26 01:31:02
○ 2026-06-14 07:58:04
○ 2026-07-30 22:53:20
○CNAMEc.dcoin.co2018-07-11 → 2018-07-11 · 3 obs
● 2018-07-11 19:28:20
○ 2021-04-01 01:32:46
○ 2026-07-30 22:53:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
csslab.cnkarl.ns.cloudflare.com, stevie.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.190

NS records: karl.ns.cloudflare.com, stevie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csslab.cn (unsigned zone)

⏱️ Timing

Total: 1012ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.200.215, 104.21.21.221
AAAA22606:4700:3031::6815:15dd, 2606:4700:3030::ac43:c8d7
NS2karl.ns.cloudflare.com, stevie.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1karl.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

csslab.cn is the parent zone for www.csslab.cn.

IP Addresses

csslab.cn resolves to four IP addresses: 104.21.21.221, 172.67.200.215, 2606:4700:3030::ac43:c8d7 and 2606:4700:3031::6815:15dd.

Two other host names, along with lycenorithqor.com, transblackbook.com and rainbet-nz.us.com, also share IP numbers with csslab.cn.

Name Servers

DNS delegation for csslab.cn points to two name servers: karl.ns.cloudflare.com and stevie.ns.cloudflare.com.

csslab.cn shares its NS records with other domains, for example shocean.cn, chimz.cn, yzreshuiqi.cn and two others.

csslab.cn partially shares its NS delegation with several other domains, including z3c.org, calivita.com, guerregridco.digital and two others.

These name servers regularly co-occur with the name servers ian.ns.cloudflare.com, chance.ns.cloudflare.com and kaiser.ns.cloudflare.com.

DNS names with 6 IP addresses:

karl.ns.cloudflare.com has IP addresses 108.162.193.190, 172.64.33.190 and 173.245.59.190, plus 3 other.

stevie.ns.cloudflare.com has IP addresses 108.162.194.106, 162.159.38.106 and 172.64.34.106, plus 3 other.