c21linkage.com - robtex.com

c21linkage.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d290🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:45aa🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.69.170Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.210.144🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdean.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b99🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A2803:f800:50::6ca2:c199🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdean.ns.cloudflare.com
A2a06:98c1:50::ac40:2199🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdean.ns.cloudflare.com
A108.162.193.153🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A172.64.33.153🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A173.245.59.153🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
NSrita.ns.cloudflare.com
A2606:4700:50::adf5:3a8c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrita.ns.cloudflare.com
A2803:f800:50::6ca2:c08c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrita.ns.cloudflare.com
A2a06:98c1:50::ac40:208c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrita.ns.cloudflare.com
A108.162.192.140🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrita.ns.cloudflare.com
A172.64.32.140🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrita.ns.cloudflare.com
A173.245.58.140🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrita.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.69.170, 172.67.210.144
IPv6 hints2606:4700:3032::ac43:d290, 2606:4700:3035::6815:45aa
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=246, name=cloudflare-ech.com
SOAdean.ns.cloudflare.comdns@cloudflare.com serial=2401194432

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=1776102762

Same first word

c21linkage.com

DNS History

9 records (6 active, 3 former)

20192020202120222023202420252026NSdean.ns.cloudflare.comrita.ns.cloudflare.comns59.domaincontrol.comns60.domaincontrol.comA104.21.69.170172.67.210.1442606:4700:3032::ac43:d2902606:4700:3035::6815:45aa59.188.137.211
●NSdean.ns.cloudflare.com2026-02-24 → 2026-04-13 · 3 obs
○ 2018-05-13 05:27:50
● 2026-02-24 17:24:30
● 2026-04-13 18:13:20
○NSns59.domaincontrol.com2018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 05:27:50
○ 2026-02-24 17:24:30
○ 2026-04-13 18:13:20
○NSns60.domaincontrol.com2018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 05:27:50
○ 2026-02-24 17:24:30
○ 2026-04-13 18:13:20
●NSrita.ns.cloudflare.com2026-02-24 → 2026-04-13 · 3 obs
○ 2018-05-13 05:27:50
● 2026-02-24 17:24:30
● 2026-04-13 18:13:20
●A104.21.69.1702026-02-24 → 2026-04-13 · 3 obs
○ 2018-05-13 05:27:50
● 2026-02-24 17:24:30
● 2026-04-13 18:13:20
●A172.67.210.1442026-02-24 → 2026-04-13 · 3 obs
○ 2018-05-13 05:27:50
● 2026-02-24 17:24:30
● 2026-04-13 18:13:20
●A2606:4700:3032::ac43:d2902026-02-24 → 2026-04-13 · 3 obs
○ 2018-05-13 05:27:50
● 2026-02-24 17:24:30
● 2026-04-13 18:13:20
●A2606:4700:3035::6815:45aa2026-02-24 → 2026-04-13 · 3 obs
○ 2018-05-13 05:27:50
● 2026-02-24 17:24:30
● 2026-04-13 18:13:20
○A59.188.137.2112018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 05:27:50
○ 2026-02-24 17:24:30
○ 2026-04-13 18:13:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...-
c21linkage.comrita.ns.cloudflare.com, dean.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.153

NS records: rita.ns.cloudflare.com, dean.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c21linkage.com (unsigned zone)

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.210.144, 104.21.69.170
AAAA22606:4700:3032::ac43:d290, 2606:4700:3035::6815:45aa
NS2dean.ns.cloudflare.com, rita.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dean.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by c21linkage.com: 2606:4700:3032::ac43:d290, 2606:4700:3035::6815:45aa, 104.21.69.170 and 172.67.210.144.

other host names including assessoriamedicapericial.com.br, tnobx4ttw.com, jumengqcsg.com, truecrest.ca and elevatorium.org share IP numbers with c21linkage.com.

Name Servers

c21linkage.com is delegated to two name servers dean.ns.cloudflare.com and rita.ns.cloudflare.com.

c21linkage.com shares the same name server setup as other domains, for instance muerjidi.com, walumas.com, 029sskj.com, xiyuxuerong.com and h5658.com.

c21linkage.com at least partially shares name servers with other domains, for instance bbus.net, ipnu.net, albrecht.me, artisan.co.th and solacenter.org.

These name servers are commonly used alongside jessica.ns.cloudflare.com and lilith.ns.cloudflare.com.

Host names with six IP numbers:

Host name dean.ns.cloudflare.com points to: 2606:4700:58::adf5:3b99, 2803:f800:50::6ca2:c199, 2a06:98c1:50::ac40:2199, 108.162.193.153, 172.64.33.153 and 173.245.59.153.

Host name rita.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8c, 2803:f800:50::6ca2:c08c, 2a06:98c1:50::ac40:208c, 108.162.192.140, 172.64.32.140 and 173.245.58.140.