r21.top - robtex.com

r21.top

DNSSEC⚠️ Not signed
A103.118.247.70🇨🇳 RAINBOWIDC-AS-AP103.118.247.0/24 Customer Route - LOA provided
PTRunknown.itsidc.com
NSa3.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb3.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAa.share-dns.commaster@share-dns.com serial=1776979475

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
TXT2026-05-11_01:25:01
SOAa.zdnscloud.comtd_dns_gtld@knet.cn serial=1395775503
⚠️ On DNS blocklist: tif

Same first word

r21.edu.ee
r21.fr
r21.ro
r21.com
r21.la
r21.ru
r21.org
r21.uk
r21.io
r21.nl
r21.top
r21.cl
r21.cc
r21.cz
r21.mobi
r21.it
r21.spb.ru
r21.de
r21.eu
r21.co.il
r21.co
r21.in

Similar names

r12.de
2r1.de
r12.pl
r12.cz
21r.ru
2r1.com
21r.com
12r.de
r12.be
21r.de
12r.com
r12.life
r12.com.ar
r12.in
1r2.in
r12.it
2r1.net
r12.dyndns.org
12r.net
2r1.cc
1r2.ru
r12.pages.dev
12r.lt
r12.org
2r1.org
12r.eu
21r.net
r12.dk
12r.co
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21r.info
12r.us
r12.biz
r12.no
2r1.info
r12.ru
2r1.ca
r12.nl
r12.info
1r2.com
r12.at
1r2.org
r12.eu
12r.ru
12r.org
r12.se

DNS History

5 records (5 active, 0 former)

NSa.share-dns.coma3.share-dns.comb.share-dns.netb3.share-dns.netA103.118.247.70
●NSa.share-dns.com2026-05-06 → 2026-05-10 · 2 obs
● 2026-05-06 22:01:46
● 2026-05-10 17:38:18
●NSa3.share-dns.com2026-05-06 → 2026-05-10 · 2 obs
● 2026-05-06 22:01:46
● 2026-05-10 17:38:18
●NSb.share-dns.net2026-05-06 → 2026-05-10 · 2 obs
● 2026-05-06 22:01:46
● 2026-05-10 17:38:18
●NSb3.share-dns.net2026-05-06 → 2026-05-10 · 2 obs
● 2026-05-06 22:01:46
● 2026-05-10 17:38:18
●A103.118.247.702026-05-06 → 2026-05-10 · 2 obs
● 2026-05-06 22:01:46
● 2026-05-10 17:38:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
topa.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com, d.zdnscloud.com...9 records
r21.topa3.share-dns.com, b3.share-dns.net-

✅ Authoritative Response

Server:172.64.53.25

NS records: a3.share-dns.com, b3.share-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for r21.top (unsigned zone)

⏱️ Timing

Total: 294ms | Queries: -

📄 Records

TypeCountSample Data
A1103.118.247.70
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 9

Out-of-bailiwick: 9 (a.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com...)

Analysis

IP Addresses

r21.top points to a single IP address: 103.118.247.70.

Other host names such as th67.com, tfx7.com, ql-n.com, y19p.com and tu95.vip share IPs with r21.top.

Name Servers

r21.top is delegated to four name servers: a3.share-dns.com, a.share-dns.com, b3.share-dns.net and b.share-dns.net.

r21.top at least partially shares name servers with other domains, for example meiwuhome.com, wzlwwhg.com, zuoyous.com, jsemw155.com and tanshamei.com.

these name servers are commonly used with the following name servers: a5.share-dns.com, b5.share-dns.net, a11.share-dns.com, b11.share-dns.net, a12.share-dns.com, b12.share-dns.net, a8.share-dns.com, b8.share-dns.net, a1.share-dns.com and b1.share-dns.net.

a3.share-dns.com points to 172.64.53.25

a.share-dns.com points to 172.64.53.25

b3.share-dns.net points to 172.64.52.239

b.share-dns.net points to 172.64.52.239

a3.share-dns.com and a.share-dns.com point to 172.64.53.25

b3.share-dns.net and b.share-dns.net point to 172.64.52.239