cplex.co - dns.ninja

cplex.co

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:9719🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:2071🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.113Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.151.25🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScecelia.ns.cloudflare.com
A2606:4700:50::a29f:2687🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcecelia.ns.cloudflare.com
A2803:f800:50::6ca2:c287🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcecelia.ns.cloudflare.com
A2a06:98c1:50::ac40:2287🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcecelia.ns.cloudflare.com
A108.162.194.135🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcecelia.ns.cloudflare.com
A162.159.38.135Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcecelia.ns.cloudflare.com
A172.64.34.135🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcecelia.ns.cloudflare.com
NSoswald.ns.cloudflare.com
A2606:4700:58::adf5:3bda🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A2803:f800:50::6ca2:c1da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRoswald.ns.cloudflare.com
A2a06:98c1:50::ac40:21da🇺🇸 Cloudflare2a06:98c1:50::/45
PTRoswald.ns.cloudflare.com
A108.162.193.218🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A172.64.33.218🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A173.245.59.218🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
MXaspmx.l.google.com
A2607:f8b0:4004:c09::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbh-in-f27.1e100.net
A64.233.180.26🇺🇸 Google64.233.180.0/24
PTRon-in-f26.1e100.net
PTRpe-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 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::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.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::1b🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTgoogle-site-verification=YHhZ6huAnCVXc6V689C40Qv3PsYmhUTLf9rs5X_qols
TXTv=spf1 a mx ip4:27.254.141.209 ~all
TXTv=spf1 include:_spf.google.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.113, 172.67.151.25
IPv6 hints2606:4700:3035::ac43:9719, 2606:4700:3036::6815:2071
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=179, name=cloudflare-ech.com
SOAcecelia.ns.cloudflare.comdns@cloudflare.com serial=2410121934

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759719699

Same first word

Similar names

DNS History

17 records (11 active, 6 former)

20162017201820192020202120222023202420252026NScecelia.ns.cloudflare.comoswald.ns.cloudflare.comns51.1and1.comns52.1and1.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx00.1and1.commx01.1and1.comA104.21.32.113172.67.151.252606:4700:3035::ac43:97192606:4700:3036::6815:20712606:4700:3037::6815:207174.208.151.80
NScecelia.ns.cloudflare.com2026-03-17 → 2026-07-29 · 3 obs
○ 2019-04-07 11:23:32
● 2026-03-17 14:08:48
● 2026-07-29 21:15:52
NSns51.1and1.com2015-07-23 → 2016-12-05 · 4 obs
● 2015-07-23 01:01:38
● 2016-12-05 11:26:12
○ 2019-04-07 11:23:32
○ 2026-07-29 21:15:52
NSns52.1and1.com2015-07-23 → 2016-12-05 · 4 obs
● 2015-07-23 01:01:38
● 2016-12-05 11:26:12
○ 2019-04-07 11:23:32
○ 2026-07-29 21:15:52
NSoswald.ns.cloudflare.com2026-03-17 → 2026-07-29 · 3 obs
○ 2019-04-07 11:23:32
● 2026-03-17 14:08:48
● 2026-07-29 21:15:52
MXalt1.aspmx.l.google.com2026-03-17 → 2026-07-29 · 3 obs
○ 2019-04-07 11:23:32
● 2026-03-17 14:08:48
● 2026-07-29 21:15:52
MXalt2.aspmx.l.google.com2026-03-17 → 2026-07-29 · 3 obs
○ 2019-04-07 11:23:32
● 2026-03-17 14:08:48
● 2026-07-29 21:15:52
MXalt3.aspmx.l.google.com2026-03-17 → 2026-07-29 · 3 obs
○ 2019-04-07 11:23:32
● 2026-03-17 14:08:48
● 2026-07-29 21:15:52
MXalt4.aspmx.l.google.com2026-03-17 → 2026-07-29 · 3 obs
○ 2019-04-07 11:23:32
● 2026-03-17 14:08:48
● 2026-07-29 21:15:52
MXaspmx.l.google.com2026-03-17 → 2026-07-29 · 3 obs
○ 2019-04-07 11:23:32
● 2026-03-17 14:08:48
● 2026-07-29 21:15:52
MXmx00.1and1.com2015-07-23 → 2016-12-05 · 4 obs
● 2015-07-23 01:01:38
● 2016-12-05 11:26:12
○ 2019-04-07 11:23:32
○ 2026-07-29 21:15:52
MXmx01.1and1.com2015-07-23 → 2016-12-05 · 4 obs
● 2015-07-23 01:01:38
● 2016-12-05 11:26:12
○ 2019-04-07 11:23:32
○ 2026-07-29 21:15:52
A104.21.32.1132026-03-17 → 2026-07-29 · 3 obs
○ 2019-04-07 11:23:32
● 2026-03-17 14:08:48
● 2026-07-29 21:15:52
A172.67.151.252026-03-17 → 2026-07-29 · 3 obs
○ 2019-04-07 11:23:32
● 2026-03-17 14:08:48
● 2026-07-29 21:15:52
A2606:4700:3035::ac43:97192026-03-17 → 2026-07-29 · 3 obs
○ 2019-04-07 11:23:32
● 2026-03-17 14:08:48
● 2026-07-29 21:15:52
A2606:4700:3036::6815:20712026-06-28 → 2026-07-29 · 3 obs
○ 2026-06-08 19:50:08
● 2026-06-28 06:46:32
● 2026-07-29 21:15:52
A2606:4700:3037::6815:20712026-03-17 → 2026-06-08 · 5 obs
○ 2019-04-07 11:23:32
● 2026-03-17 14:08:48
● 2026-06-08 19:50:08
○ 2026-06-28 06:46:32
○ 2026-07-29 21:15:52
A74.208.151.802015-07-23 → 2016-12-05 · 4 obs
● 2015-07-23 01:01:38
● 2016-12-05 11:26:12
○ 2019-04-07 11:23:32
○ 2026-07-29 21:15:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cod.registrydns.co, c.registrydns.co, a.registrydns.co, b.registrydns.co-
cplex.cocecelia.ns.cloudflare.com, oswald.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.218

NS records: cecelia.ns.cloudflare.com, oswald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cplex.co (unsigned zone)

⏱️ Timing

Total: 1346ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.151.25, 104.21.32.113
AAAA22606:4700:3036::6815:2071, 2606:4700:3035::ac43:9719
NS2cecelia.ns.cloudflare.com, oswald.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT3google-site-verification=YHhZ6huAnCVXc6V, v=spf1 a mx ip4:27.254.141.209 ~all...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cecelia.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

cplex.co resolves to four IP addresses: 104.21.32.113, 172.67.151.25, 2606:4700:3035::ac43:9719 and 2606:4700:3036::6815:2071.

Additional host names — ziheyuanlin.com, cmucourses.com, izi-study.com and two others — share IP numbers with cplex.co.

Name Servers

Two name servers handle the delegation for cplex.co: cecelia.ns.cloudflare.com and oswald.ns.cloudflare.com.

cplex.co shares its name server setup with other domains, including surfwiser.com, nexrivium.com, khelo24betoficcial.com and two others.

cplex.co shares at least some of its name servers with other domains, including masseriadeigelsi.it, hiperos.biz, getocall.com and two others.

These name servers are frequently seen alongside the name servers fred.ns.cloudflare.com.

Host names with 6 IP numbers:

cecelia.ns.cloudflare.com resolves to 108.162.194.135, 162.159.38.135 and 172.64.34.135 among others, with 3 other IP addresses in total.

oswald.ns.cloudflare.com resolves to 108.162.193.218, 172.64.33.218 and 173.245.59.218 among others, with 3 other IP addresses in total.

Mail Servers

cplex.co is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

cplex.co shares mail servers — at least in part — with other domains, including celadonwest.com, conntrol.com, ns500754.ns500731.ns500671.ns500671.ns500754.ns500754.ns500742.ns500671.ns500742.ns500705.ns500678.ns500291.ns500142.lusty(0x736c7574)z.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com resolves to two addresses: 64.233.180.26 and 2607:f8b0:4004:c09::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.