ctn-systems.com - robtex.com

ctn-systems.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b678🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:43e4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.67.228Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.182.120🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmark.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b82🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
A2803:f800:50::6ca2:c182🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmark.ns.cloudflare.com
A2a06:98c1:50::ac40:2182🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmark.ns.cloudflare.com
A108.162.193.130🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
A172.64.33.130🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
A173.245.59.130🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
NSsureena.ns.cloudflare.com
A2606:4700:50::a29f:267e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsureena.ns.cloudflare.com
A2803:f800:50::6ca2:c27e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsureena.ns.cloudflare.com
A2a06:98c1:50::ac40:227e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsureena.ns.cloudflare.com
A108.162.194.126🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsureena.ns.cloudflare.com
A162.159.38.126Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsureena.ns.cloudflare.com
A172.64.34.126🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsureena.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c08::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbi-in-f27.1e100.net
A142.251.179.26🇺🇸 Google142.251.179.0/24
PTRpd-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTgoogle-site-verification=x6PuEOst2tYJioujoaQ4uhA3HBnl1X5Lhqyy5ZQK_qM
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.67.228, 172.67.182.120
IPv6 hints2606:4700:3031::ac43:b678, 2606:4700:3035::6815:43e4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com
SOAmark.ns.cloudflare.comdns@cloudflare.com serial=2407102272

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=1785200417

Same first word

ctn-systems.com

Similar names

ntc-systems.de
cnt-systems.com
nct-systems.de
cnt-systems.de
ntc-systems.com

DNS History

17 records (11 active, 6 former)

202120222023202420252026NSmark.ns.cloudflare.comsureena.ns.cloudflare.comdocks12.rzone.deshades01.rzone.deMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comsmtpin.rzone.deA104.21.67.228172.67.182.1202606:4700:3031::ac43:b6782606:4700:3035::6815:43e423.236.62.1472606:4700:3033::6815:43e42606:4700:3036::ac43:b678
○NSdocks12.rzone.de2020-03-07 → 2020-03-07 · 3 obs
● 2020-03-07 00:32:08
○ 2026-04-15 06:38:16
○ 2026-07-28 01:09:58
●NSmark.ns.cloudflare.com2026-04-15 → 2026-07-28 · 3 obs
○ 2020-03-07 00:32:08
● 2026-04-15 06:38:16
● 2026-07-28 01:09:58
○NSshades01.rzone.de2020-03-07 → 2020-03-07 · 3 obs
● 2020-03-07 00:32:08
○ 2026-04-15 06:38:16
○ 2026-07-28 01:09:58
●NSsureena.ns.cloudflare.com2026-04-15 → 2026-07-28 · 3 obs
○ 2020-03-07 00:32:08
● 2026-04-15 06:38:16
● 2026-07-28 01:09:58
●MXalt1.aspmx.l.google.com2026-04-15 → 2026-07-28 · 3 obs
○ 2020-03-07 00:32:08
● 2026-04-15 06:38:16
● 2026-07-28 01:09:58
●MXalt2.aspmx.l.google.com2026-04-15 → 2026-07-28 · 3 obs
○ 2020-03-07 00:32:08
● 2026-04-15 06:38:16
● 2026-07-28 01:09:58
●MXalt3.aspmx.l.google.com2026-04-15 → 2026-07-28 · 3 obs
○ 2020-03-07 00:32:08
● 2026-04-15 06:38:16
● 2026-07-28 01:09:58
●MXalt4.aspmx.l.google.com2026-04-15 → 2026-07-28 · 3 obs
○ 2020-03-07 00:32:08
● 2026-04-15 06:38:16
● 2026-07-28 01:09:58
●MXaspmx.l.google.com2026-04-15 → 2026-07-28 · 3 obs
○ 2020-03-07 00:32:08
● 2026-04-15 06:38:16
● 2026-07-28 01:09:58
○MXsmtpin.rzone.de2020-03-07 → 2020-03-07 · 3 obs
● 2020-03-07 00:32:08
○ 2026-04-15 06:38:16
○ 2026-07-28 01:09:58
●A104.21.67.2282026-04-15 → 2026-07-28 · 3 obs
○ 2020-03-07 00:32:08
● 2026-04-15 06:38:16
● 2026-07-28 01:09:58
●A172.67.182.1202026-04-15 → 2026-07-28 · 3 obs
○ 2020-03-07 00:32:08
● 2026-04-15 06:38:16
● 2026-07-28 01:09:58
○A23.236.62.1472020-03-07 → 2020-03-07 · 3 obs
● 2020-03-07 00:32:08
○ 2026-04-15 06:38:16
○ 2026-07-28 01:09:58
●A2606:4700:3031::ac43:b6782026-07-10 → 2026-07-28 · 3 obs
○ 2026-04-15 06:38:16
● 2026-07-10 13:37:26
● 2026-07-28 01:09:58
○A2606:4700:3033::6815:43e42026-04-15 → 2026-04-15 · 4 obs
○ 2020-03-07 00:32:08
● 2026-04-15 06:38:16
○ 2026-07-10 13:37:26
○ 2026-07-28 01:09:58
●A2606:4700:3035::6815:43e42026-07-10 → 2026-07-28 · 3 obs
○ 2026-04-15 06:38:16
● 2026-07-10 13:37:26
● 2026-07-28 01:09:58
○A2606:4700:3036::ac43:b6782026-04-15 → 2026-04-15 · 4 obs
○ 2020-03-07 00:32:08
● 2026-04-15 06:38:16
○ 2026-07-10 13:37:26
○ 2026-07-28 01:09:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...-
ctn-systems.commark.ns.cloudflare.com, sureena.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.130

NS records: mark.ns.cloudflare.com, sureena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctn-systems.com (unsigned zone)

⏱️ Timing

Total: 235ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.67.228, 172.67.182.120
AAAA22606:4700:3031::ac43:b678, 2606:4700:3035::6815:43e4
NS2mark.ns.cloudflare.com, sureena.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=x6PuEOst2tYJiou, v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1mark.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ctn-systems.com resolves to four IP addresses: 104.21.67.228, 172.67.182.120, 2606:4700:3031::ac43:b678 and 2606:4700:3035::6815:43e4.

Additional host names — ourcss.com, pahibenermeriah.org, bayareanightlife.com and two others — share IP numbers with ctn-systems.com.

Name Servers

ctn-systems.com is delegated to two name servers: mark.ns.cloudflare.com and sureena.ns.cloudflare.com.

ctn-systems.com shares its name server setup with other domains, including meetofficepride.com, arc-colin-amazon.com, thefamilyfoodkitchen.com and two others.

ctn-systems.com has at least partial name server overlap with other domains, such as manbaritone.com, poddley.com, xgxf888.com and two others.

It is common to see these name servers used together with name servers wells.ns.cloudflare.com and plato.ns.cloudflare.com.

Host names with 6 IP numbers:

mark.ns.cloudflare.com resolves to 108.162.193.130, 172.64.33.130, 173.245.59.130 and 3 other IP addresses.

sureena.ns.cloudflare.com resolves to 108.162.194.126, 162.159.38.126, 172.64.34.126 and 3 other IP addresses.

Mail Servers

ctn-systems.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

ctn-systems.com shares mail servers — at least in part — with other domains, including ns500758.ns500698.ns500698.ns500759.ns500698.ns500735.ns500735.ns500735.ns500708.ns500619.ns500698.ns500576.ns500576.ns500619.ns500619.trackreceptor.com, ns500698.ns500758.ns500758.ns500698.ns500759.ns500736.ns500735.ns500708.ns500698.ns500698.ns500576.ns500698.ns500698.ns500576.ns500619.ns500619.trackreceptor.com, ns500768.ns500698.ns500698.ns500759.ns500758.ns500758.ns500735.ns500736.ns500698.ns500708.ns500698.ns500698.ns500619.ns500576.ns500619.ns500619.trackreceptor.com and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com points to 142.251.179.26 and 2607:f8b0:4004:c08::1b.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1a.