c21fsr.com - robtex.com

c21fsr.com

DNSSEC⚠️ Not signed
A2606:4700::6812:775b🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700::6812:785b🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.18.119.91Cloudflare104.18.112.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.18.120.91Cloudflare104.18.112.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSamy.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a65🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamy.ns.cloudflare.com
A2803:f800:50::6ca2:c065🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRamy.ns.cloudflare.com
A2a06:98c1:50::ac40:2065🇺🇸 Cloudflare2a06:98c1:50::/45
PTRamy.ns.cloudflare.com
A108.162.192.101🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamy.ns.cloudflare.com
A172.64.32.101🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamy.ns.cloudflare.com
A173.245.58.101🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamy.ns.cloudflare.com
NSbyron.ns.cloudflare.com
A2606:4700:58::a29f:2c43🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbyron.ns.cloudflare.com
A2803:f800:50::6ca2:c343🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbyron.ns.cloudflare.com
A2a06:98c1:50::ac40:2343🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbyron.ns.cloudflare.com
A108.162.195.67🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbyron.ns.cloudflare.com
A162.159.44.67Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbyron.ns.cloudflare.com
A172.64.35.67🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbyron.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c03::1a🇺🇸 Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A74.125.137.26🇺🇸 Google74.125.137.0/24
PTRdy-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTgoogle-site-verification=2oXYd3cR0JQ3IygEtMYezmPpsv2tBrs4O5IPB4Eyni4
TXTgoogle-site-verification=WJD2PKKo_AkP2xX2N7-hVuPkmHRnoD_ljs6HQTm6-YI
SOAamy.ns.cloudflare.comdns@cloudflare.com serial=2399920870

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=1778764056

Same first word

c21fsr.com

DNS History

11 records (11 active, 0 former)

NSamy.ns.cloudflare.combyron.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.18.119.91104.18.120.912606:4700::6812:775b2606:4700::6812:785b
●NSamy.ns.cloudflare.com2026-04-20 → 2026-05-14 · 2 obs
● 2026-04-20 08:43:12
● 2026-05-14 13:12:08
●NSbyron.ns.cloudflare.com2026-04-20 → 2026-05-14 · 2 obs
● 2026-04-20 08:43:12
● 2026-05-14 13:12:08
●MXalt1.aspmx.l.google.com2026-04-20 → 2026-05-14 · 2 obs
● 2026-04-20 08:43:12
● 2026-05-14 13:12:08
●MXalt2.aspmx.l.google.com2026-04-20 → 2026-05-14 · 2 obs
● 2026-04-20 08:43:12
● 2026-05-14 13:12:08
●MXalt3.aspmx.l.google.com2026-04-20 → 2026-05-14 · 2 obs
● 2026-04-20 08:43:12
● 2026-05-14 13:12:08
●MXalt4.aspmx.l.google.com2026-04-20 → 2026-05-14 · 2 obs
● 2026-04-20 08:43:12
● 2026-05-14 13:12:08
●MXaspmx.l.google.com2026-04-20 → 2026-05-14 · 2 obs
● 2026-04-20 08:43:12
● 2026-05-14 13:12:08
●A104.18.119.912026-04-20 → 2026-05-14 · 2 obs
● 2026-04-20 08:43:12
● 2026-05-14 13:12:08
●A104.18.120.912026-04-20 → 2026-05-14 · 2 obs
● 2026-04-20 08:43:12
● 2026-05-14 13:12:08
●A2606:4700::6812:775b2026-04-20 → 2026-05-14 · 2 obs
● 2026-04-20 08:43:12
● 2026-05-14 13:12:08
●A2606:4700::6812:785b2026-04-20 → 2026-05-14 · 2 obs
● 2026-04-20 08:43:12
● 2026-05-14 13:12:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
c21fsr.comamy.ns.cloudflare.com, byron.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.101

NS records: amy.ns.cloudflare.com, byron.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c21fsr.com (unsigned zone)

⏱️ Timing

Total: 448ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.120.91, 104.18.119.91
AAAA22606:4700::6812:775b, 2606:4700::6812:785b
NS2amy.ns.cloudflare.com, byron.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=2oXYd3cR0JQ3Iyg, google-site-verification=WJD2PKKo_AkP2xX
SOA1amy.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

c21fsr.com resolves to four IPs: 2606:4700::6812:775b, 2606:4700::6812:785b, 104.18.119.91 and 104.18.120.91.

Other host names such as brynroserealestate.com, myrogconnect.com, sandringham.org, refinedre.com and sheridanres.com share IP numbers with c21fsr.com.

Name Servers

c21fsr.com is delegated to two name servers: amy.ns.cloudflare.com and byron.ns.cloudflare.com.

c21fsr.com uses the same name server setup as other domains, including susansmithrealty.com, kaysandmogharrabi.com, vilmapalaad.com, fanirealty.com and schubb.com.

At least part of the name servers for c21fsr.com are shared with other domains, for instance zeekr-see.eu, mny.ac.th, mpog100.com, sykes.house and totalmoney.group.

Host names with six IP numbers:

amy.ns.cloudflare.com points to: 2606:4700:50::adf5:3a65, 2803:f800:50::6ca2:c065, 2a06:98c1:50::ac40:2065, 108.162.192.101, 172.64.32.101 and 173.245.58.101.

byron.ns.cloudflare.com points to: 2606:4700:58::a29f:2c43, 2803:f800:50::6ca2:c343, 2a06:98c1:50::ac40:2343, 108.162.195.67, 162.159.44.67 and 172.64.35.67.

Mail Servers

c21fsr.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

c21fsr.com shares at least some mail servers with other domains, for example blakesd.org, functioncentral.co.uk, ns500742.ns500742.ns500731.ns500731.ns500742.ns500731.ns500742.ns500688.ns500671.ns500649.lustychickser.com, ns500698.ns500698.ns500698.ns500736.ns500736.ns500736.ns500576.ns500576.ns500576.ns500708.ns500698.ns500698.ns500619.ns500619.ns500619.trackreceptor.com and ns500724.ns500724.ns500737.ns500737.ns500599.ns500724.ns500724.ns500724.ns500724.ns500599.ns500737.ns500599.ns500697.ns500583.ns500599.www.yummyflingsfinder.com.

these mail servers are often used together with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers: aspmx.l.google.com points to 2607:f8b0:4023:c03::1a and 74.125.137.26; alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.26; alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.26; alt3.aspmx.l.google.com points to 2607:f8b0:4023:1015::1b and 172.253.135.27; alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.26.