server21.top - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

server21.top

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d4b0🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:2321🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.35.33Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.212.176🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSanuj.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b41🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
A2803:f800:50::6ca2:c141🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRanuj.ns.cloudflare.com
A2a06:98c1:50::ac40:2141🇺🇸 Cloudflare2a06:98c1:50::/45
PTRanuj.ns.cloudflare.com
A108.162.193.65🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
A172.64.33.65🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
A173.245.59.65🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
NSblair.ns.cloudflare.com
A2606:4700:50::a29f:2679🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblair.ns.cloudflare.com
A2803:f800:50::6ca2:c279🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRblair.ns.cloudflare.com
A2a06:98c1:50::ac40:2279🇺🇸 Cloudflare2a06:98c1:50::/45
PTRblair.ns.cloudflare.com
A108.162.194.121🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblair.ns.cloudflare.com
A162.159.38.121Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblair.ns.cloudflare.com
A172.64.34.121🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblair.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.35.33, 172.67.212.176
IPv6 hints2606:4700:3031::ac43:d4b0, 2606:4700:3034::6815:2321
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=185, name=cloudflare-ech.com
SOAanuj.ns.cloudflare.comdns@cloudflare.com serial=2416878111

top

DNSSEC🔒 Signed (DS record present)
NSa.zdnscloud.com ⭐
NSa.zdnscloud.cn
NSb.zdnscloud.cn
NSc.zdnscloud.com
NSd.zdnscloud.com
NSe.zdnscloud.cn
NSf.zdnscloud.cn
NSi.zdnscloud.cn
NSj.zdnscloud.com
TXT2026-10-20_03:15:01
SOAa.zdnscloud.comtd_dns_gtld@knet.cn serial=1397447525
⚠️ On DNS blocklist: spam-tlds

Same first word

server21.pages.dev
server21.it
server21.org
server21.net
server21.top
server21.de
server21.link
server21.eu
server21.ro
server21.com
server21.a2hosted.com

Similar names

server12.nl
server12.win
server12.workers.dev
server12.pages.dev
server12.christmas
server12.co.uk
server12.ru
server12.ir
server12.ph
server12.com
server12.de
r21verse.xyz
21server.com
server12.xyz

Previous names

server07.top
server08.top
server09.top
server10.top
server11.top
server12345.top
server13.top
server14.top
server140.top
server15.top
server16.top
server17.top
server18.top
server19.top
server1991.top
server1brasilhost.top
server20.top
server2025server2025.top
server2026.top

Next names

server211.top
server22.top
server24.top
server247.top
server24x.top
server25.top
server2brasilhost.top
server2c.top
server3.top
server33.top
server36.top
server360.top
server3brasilhost.top
server4d.top
server4u.top
server5.top
server520.top
server66.top
server6688.top
server690.top

DNS History

10 records (6 active, 4 former)

NSanuj.ns.cloudflare.comblair.ns.cloudflare.comA104.21.35.33172.67.212.1762606:4700:3031::ac43:d4b02606:4700:3034::6815:2321188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSanuj.ns.cloudflare.com2026-10-08 → 2026-10-19 · 2 obs
● 2026-10-08 17:51:50
● 2026-10-19 20:02:18
●NSblair.ns.cloudflare.com2026-10-08 → 2026-10-19 · 2 obs
● 2026-10-08 17:51:50
● 2026-10-19 20:02:18
●A104.21.35.332026-10-15 → 2026-10-19 · 3 obs
○ 2026-10-08 17:51:50
● 2026-10-15 09:39:02
● 2026-10-19 20:02:18
●A172.67.212.1762026-10-15 → 2026-10-19 · 3 obs
○ 2026-10-08 17:51:50
● 2026-10-15 09:39:02
● 2026-10-19 20:02:18
○A188.114.96.02026-10-08 → 2026-10-08 · 3 obs
● 2026-10-08 17:51:50
○ 2026-10-15 09:39:02
○ 2026-10-19 20:02:18
○A188.114.97.02026-10-08 → 2026-10-08 · 3 obs
● 2026-10-08 17:51:50
○ 2026-10-15 09:39:02
○ 2026-10-19 20:02:18
●A2606:4700:3031::ac43:d4b02026-10-15 → 2026-10-19 · 3 obs
○ 2026-10-08 17:51:50
● 2026-10-15 09:39:02
● 2026-10-19 20:02:18
●A2606:4700:3034::6815:23212026-10-15 → 2026-10-19 · 3 obs
○ 2026-10-08 17:51:50
● 2026-10-15 09:39:02
● 2026-10-19 20:02:18
○A2a06:98c1:3120::2026-10-08 → 2026-10-08 · 3 obs
● 2026-10-08 17:51:50
○ 2026-10-15 09:39:02
○ 2026-10-19 20:02:18
○A2a06:98c1:3121::2026-10-08 → 2026-10-08 · 3 obs
● 2026-10-08 17:51:50
○ 2026-10-15 09:39:02
○ 2026-10-19 20:02:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
tope.zdnscloud.cn, c.zdnscloud.com, f.zdnscloud.cn, a.zdnscloud.cn...-
server21.topanuj.ns.cloudflare.com, blair.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.65

NS records: anuj.ns.cloudflare.com, blair.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for server21.top (unsigned zone)

⏱️ Timing

Total: 752ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.212.176, 104.21.35.33
AAAA22606:4700:3031::ac43:d4b0, 2606:4700:3034::6815:2321
NS2anuj.ns.cloudflare.com, blair.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1anuj.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

server21.top directs to four IP numbers, which are 104.21.35.33, 172.67.212.176, 2606:4700:3031::ac43:d4b0 and 2606:4700:3034::6815:2321.

filmoneo.pl, nbsc18.com, danrobww.com and two other host names share IP numbers with server21.top.

Name Servers

server21.top is delegated to two name servers: anuj.ns.cloudflare.com and blair.ns.cloudflare.com.

server21.top uses the same name servers as several other domains — among them dako.dev, ourcyber.com, www-lastuberistorantepizzeria-com.pages.dev and two more.

The name servers of server21.top overlap at least partially with those of other domains — among them tarotangie.es, blindluck-at-54669-8ns.pages.dev, mypetshops.co.uk and two more.

It is common to find these name servers alongside the name servers edward.ns.cloudflare.com, veda.ns.cloudflare.com, alfred.ns.cloudflare.com and two others.

Hostnames that resolve to 6 IP addresses:

anuj.ns.cloudflare.com resolves to 108.162.193.65, 172.64.33.65, 173.245.59.65 and 3 other IP addresses.

blair.ns.cloudflare.com resolves to 108.162.194.121, 162.159.38.121, 172.64.34.121 and 3 other IP addresses.