core10.io - robtex.com

core10.io

DNSSEC⚠️ Not signed
A2606:4700:20::681a:ac0🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:bc0🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:4859🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.10.192Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.11.192Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.72.89🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScris.ns.cloudflare.com ⭐ 🔒
A2606:4700:58::a29f:2cca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A2803:f800:50::6ca2:c3ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcris.ns.cloudflare.com
A2a06:98c1:50::ac40:23ca🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcris.ns.cloudflare.com
A108.162.195.202🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A162.159.44.202Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A172.64.35.202🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
NSlila.ns.cloudflare.com 🔒
A2606:4700:50::adf5:3aba🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A2803:f800:50::6ca2:c0ba🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlila.ns.cloudflare.com
A2a06:98c1:50::ac40:20ba🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlila.ns.cloudflare.com
A108.162.192.186🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A172.64.32.186🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A173.245.58.186🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
MXd145057a.ess.barracudanetworks.com ⭐
A209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
MXd145057b.ess.barracudanetworks.com(10)
A209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
TXT5871359.spf05.hubspotemail.net
TXTMS=ms23116785
TXTMS=ms37062159
TXTMS=ms96892868
TXTamazonses:lF1MY/H8KQKgQRMY6d/2E7Badw6+Fd8i4WQs9/omr+A=
TXTcore10.azurewebsites.net
TXTgoogle-site-verification=qCdkdQjK_ukHzOocImcNALrgLKc_vYBzdebY_TMhGds
TXTpecqbc9m9im5je8199npd8je54
TXTv=spf1 include:spf.ess.barracudanetworks.com include:5871359.spf05.hubspotema...
TXTv=verifydomain MS=5465805
HTTPSHTTP/2 ✓ hints match
IPv4104.26.10.192, 104.26.11.192, 172.67.72.89
IPv62606:4700:20::681a:ac0, 2606:4700:20::681a:bc0, 2606:4700:20::ac43:4859
SOAcris.ns.cloudflare.comdns@cloudflare.com serial=2396290458

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐ 🔒
NSa2.nic.io 🔒
NSb0.nic.io 🔒
NSc0.nic.io 🔒
SOAa0.nic.iohostmaster@donuts.email serial=1771291657

Up

www.core10.io

Same first word

core10.tech
core10.co.uk
core10.io
core10.org

Similar names

10core.com
01core.com
core01.eu

DNS History

13 records (10 active, 3 former)

20192020202120222023202420252026NScris.ns.cloudflare.comlila.ns.cloudflare.comns03.domaincontrol.comns04.domaincontrol.comMXd145057a.ess.barracudanetworks.comd145057b.ess.barracudanetworks.comA104.26.10.192104.26.11.192172.67.72.892606:4700:20::681a:ac02606:4700:20::681a:bc02606:4700:20::ac43:485952.176.2.229
●NScris.ns.cloudflare.com2026-02-15 → 2026-02-25 · 3 obs
○ 2018-05-07 19:27:10
● 2026-02-15 13:31:08
● 2026-02-25 08:54:22
●NSlila.ns.cloudflare.com2026-02-15 → 2026-02-25 · 3 obs
○ 2018-05-07 19:27:10
● 2026-02-15 13:31:08
● 2026-02-25 08:54:22
○NSns03.domaincontrol.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 19:27:10
○ 2026-02-15 13:31:08
○ 2026-02-25 08:54:22
○NSns04.domaincontrol.com2018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 19:27:10
○ 2026-02-15 13:31:08
○ 2026-02-25 08:54:22
●MXd145057a.ess.barracudanetworks.com2018-05-07 → 2026-02-25 · 2 obs
● 2018-05-07 19:27:10
● 2026-02-25 08:54:22
●MXd145057b.ess.barracudanetworks.com2018-05-07 → 2026-02-25 · 2 obs
● 2018-05-07 19:27:10
● 2026-02-25 08:54:22
●A104.26.10.1922026-02-15 → 2026-02-25 · 3 obs
○ 2018-05-07 19:27:10
● 2026-02-15 13:31:08
● 2026-02-25 08:54:22
●A104.26.11.1922026-02-15 → 2026-02-25 · 3 obs
○ 2018-05-07 19:27:10
● 2026-02-15 13:31:08
● 2026-02-25 08:54:22
●A172.67.72.892026-02-15 → 2026-02-25 · 3 obs
○ 2018-05-07 19:27:10
● 2026-02-15 13:31:08
● 2026-02-25 08:54:22
●A2606:4700:20::681a:ac02026-02-15 → 2026-02-25 · 3 obs
○ 2018-05-07 19:27:10
● 2026-02-15 13:31:08
● 2026-02-25 08:54:22
●A2606:4700:20::681a:bc02026-02-15 → 2026-02-25 · 3 obs
○ 2018-05-07 19:27:10
● 2026-02-15 13:31:08
● 2026-02-25 08:54:22
●A2606:4700:20::ac43:48592026-02-15 → 2026-02-25 · 3 obs
○ 2018-05-07 19:27:10
● 2026-02-15 13:31:08
● 2026-02-25 08:54:22
○A52.176.2.2292018-05-07 → 2018-05-07 · 3 obs
● 2018-05-07 19:27:10
○ 2026-02-15 13:31:08
○ 2026-02-25 08:54:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, c0.nic.io, b0.nic.io, a2.nic.io-
core10.iocris.ns.cloudflare.com, lila.ns.cloudflare.com-

✅ Authoritative Response

Server: 172.64.35.202

NS records: cris.ns.cloudflare.com, lila.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core10.io (unsigned zone)

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

TypeCountSample Data
A3104.26.10.192, 104.26.11.192...
AAAA32606:4700:20::ac43:4859, 2606:4700:20::681a:bc0...
NS2cris.ns.cloudflare.com, lila.ns.cloudflare.com
MX2d145057a.ess.barracudanetworks.com (pri:, d145057b.ess.barracudanetworks.com (pri:
TXT105871359.spf05.hubspotemail.net, MS=ms23116785...
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1cris.ns.cloudflare.com dns.cloudflare.co

AI analysis

The parent of www.core10.io is core10.io.

core10.io resolves to six IP numbers: 2606:4700:20::681a:ac0, 2606:4700:20::681a:bc0, 2606:4700:20::ac43:4859, 104.26.10.192, 104.26.11.192 and 172.67.72.89.

Other host names, for instance abcmoteur.fr, mygo.ge, flexdog.de, willingconsulting.com and gecooman.com share IP numbers with core10.io.

Two name servers cris.ns.cloudflare.com and lila.ns.cloudflare.com handle delegation for core10.io.

core10.io uses the same name server setup as other domains, for example stikessehatmedan.ac.id, ampersandfi.io, jav-films.com, sdg2030indonesia.org and autous.ru.

core10.io partially shares name servers with other domains; examples include in2group.eu, consofonde.pro, f5u6.com, andrewkhan.com and qiancheng100.com.

These name servers are often used with the name servers jamie.ns.cloudflare.com and sloan.ns.cloudflare.com.

Host names with six IP numbers: cris.ns.cloudflare.com points to: 2606:4700:58::a29f:2cca, 2803:f800:50::6ca2:c3ca, 2a06:98c1:50::ac40:23ca, 108.162.195.202, 162.159.44.202 and 172.64.35.202; lila.ns.cloudflare.com points to: 2606:4700:50::adf5:3aba, 2803:f800:50::6ca2:c0ba, 2a06:98c1:50::ac40:20ba, 108.162.192.186, 172.64.32.186 and 173.245.58.186.

core10.io is handled by two mail servers: d145057a.ess.barracudanetworks.com and d145057b.ess.barracudanetworks.com.

Host names with three IP numbers:

d145057a.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255.

d145057b.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255.

Hosts pointing to 209.222.82.252: d145057a.ess.barracudanetworks.com and d145057b.ess.barracudanetworks.com.

Hosts pointing to 209.222.82.253: d145057a.ess.barracudanetworks.com and d145057b.ess.barracudanetworks.com.

Hosts pointing to 209.222.82.255: d145057a.ess.barracudanetworks.com and d145057b.ess.barracudanetworks.com.

Both d145057a.ess.barracudanetworks.com and d145057b.ess.barracudanetworks.com point to the same three IPs: 209.222.82.252, 209.222.82.253 and 209.222.82.255.