cocortho.com - robtex.com

cocortho.com

DNSSEC⚠️ Not signed
A216.69.170.79🇺🇸 AS398101216.69.160.0/20 GCN Allocation
PTR79.170.69.216.host.secureserver.net
NSjose.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c58🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjose.ns.cloudflare.com
A2803:f800:50::6ca2:c358🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjose.ns.cloudflare.com
A2a06:98c1:50::ac40:2358🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjose.ns.cloudflare.com
A108.162.195.88🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjose.ns.cloudflare.com
A162.159.44.88Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjose.ns.cloudflare.com
A172.64.35.88🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjose.ns.cloudflare.com
NStessa.ns.cloudflare.com
A2606:4700:50::a29f:26e5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
A2803:f800:50::6ca2:c2e5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtessa.ns.cloudflare.com
A2a06:98c1:50::ac40:22e5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtessa.ns.cloudflare.com
A108.162.194.229🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
A162.159.38.229Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
A172.64.34.229🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
MXd284146a.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
MXd284146b.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
TXTMS=ms13568917
TXTv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.c...
SOAjose.ns.cloudflare.comdns@cloudflare.com serial=2401689784

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=1776509602

Subdomains

mail.cocortho.com

Same first word

cocortho.co.kr
cocortho.com

Similar names

cohortco.com

DNS History

12 records (5 active, 7 former)

201020122014201620182020202220242026NSjose.ns.cloudflare.comtessa.ns.cloudflare.comns33.worldnic.comns34.worldnic.comMXd284146a.ess.barracudanetworks.comd284146b.ess.barracudanetworks.comcocortho-com.mail.protection.outlook.commail.cocortho.comA216.69.170.79192.185.100.27192.254.186.1370.85.55.36
●NSjose.ns.cloudflare.com2026-03-26 → 2026-04-18 · 3 obs
○ 2017-01-19 17:46:28
● 2026-03-26 15:45:20
● 2026-04-18 11:12:32
○NSns33.worldnic.com2009-01-30 → 2017-01-19 · 4 obs
● 2009-01-30 21:57:08
● 2017-01-19 17:46:28
○ 2026-03-26 15:45:20
○ 2026-04-18 11:12:32
○NSns34.worldnic.com2009-01-30 → 2017-01-19 · 4 obs
● 2009-01-30 21:57:08
● 2017-01-19 17:46:28
○ 2026-03-26 15:45:20
○ 2026-04-18 11:12:32
●NStessa.ns.cloudflare.com2026-03-26 → 2026-04-18 · 3 obs
○ 2017-01-19 17:46:28
● 2026-03-26 15:45:20
● 2026-04-18 11:12:32
○MXcocortho-com.mail.protection.outlook.com2015-07-05 → 2017-01-19 · 5 obs
○ 2009-01-30 21:57:08
● 2015-07-05 17:53:42
● 2017-01-19 17:46:28
○ 2026-03-26 15:45:20
○ 2026-04-18 11:12:32
●MXd284146a.ess.barracudanetworks.com2026-03-26 → 2026-04-18 · 3 obs
○ 2017-01-19 17:46:28
● 2026-03-26 15:45:20
● 2026-04-18 11:12:32
●MXd284146b.ess.barracudanetworks.com2026-03-26 → 2026-04-18 · 3 obs
○ 2017-01-19 17:46:28
● 2026-03-26 15:45:20
● 2026-04-18 11:12:32
○MXmail.cocortho.com2009-01-30 → 2009-01-30 · 3 obs
● 2009-01-30 21:57:08
○ 2015-07-05 17:53:42
○ 2026-04-18 11:12:32
○A192.185.100.272015-07-05 → 2015-07-05 · 4 obs
○ 2009-01-30 21:57:08
● 2015-07-05 17:53:42
○ 2015-11-10 13:50:00
○ 2026-04-18 11:12:32
○A192.254.186.132015-11-10 → 2017-01-19 · 5 obs
○ 2015-07-05 17:53:42
● 2015-11-10 13:50:00
● 2017-01-19 17:46:28
○ 2026-03-26 15:45:20
○ 2026-04-18 11:12:32
●A216.69.170.792026-03-26 → 2026-04-18 · 3 obs
○ 2017-01-19 17:46:28
● 2026-03-26 15:45:20
● 2026-04-18 11:12:32
○A70.85.55.362009-01-30 → 2009-01-30 · 3 obs
● 2009-01-30 21:57:08
○ 2015-07-05 17:53:42
○ 2026-04-18 11:12:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...-
cocortho.comtessa.ns.cloudflare.com, jose.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.88

NS records: tessa.ns.cloudflare.com, jose.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cocortho.com (unsigned zone)

⏱️ Timing

Total: 131ms | Queries: -

📄 Records

TypeCountSample Data
A1216.69.170.79
NS2jose.ns.cloudflare.com, tessa.ns.cloudflare.com
MX2d284146a.ess.barracudanetworks.com (pri:, d284146b.ess.barracudanetworks.com (pri:
TXT2MS=ms13568917, v=spf1 include:spf.protection.outlook.co
SOA1jose.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

mail.cocortho.com has cocortho.com as its parent.

IP Addresses

cocortho.com maps to IP address 216.69.170.79.

Other host names, for example wearethepastaudioexperience.com, mail.cocortho.com and 79.170.69.216.host.secureserver.net share the same IP as cocortho.com.

Name Servers

Two name servers jose.ns.cloudflare.com and tessa.ns.cloudflare.com are delegated to cocortho.com.

cocortho.com uses the same name server configuration as other domains, such as denverortho.com, fortunesfunding.com, 13article.com, beactivecolorado.com and denverhipdoctors.com.

cocortho.com at least partially shares name servers with other domains such as web-store.it, ames-engineering.com, takewaybd.com, sulisgroup.com and coffpot.com.

These name servers are commonly used with dana.ns.cloudflare.com, donna.ns.cloudflare.com, demi.ns.cloudflare.com and miles.ns.cloudflare.com.

Host names with six IP numbers: Host name jose.ns.cloudflare.com points to 2606:4700:58::a29f:2c58, 2803:f800:50::6ca2:c358, 2a06:98c1:50::ac40:2358, 108.162.195.88, 162.159.44.88 and 172.64.35.88; host name tessa.ns.cloudflare.com points to 2606:4700:50::a29f:26e5, 2803:f800:50::6ca2:c2e5, 2a06:98c1:50::ac40:22e5, 108.162.194.229, 162.159.38.229 and 172.64.34.229.

Mail Servers

Two mail servers handle cocortho.com: d284146a.ess.barracudanetworks.com and d284146b.ess.barracudanetworks.com.

Host names with three IP numbers

d284146a.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255

d284146b.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255

Note that d284146a.ess.barracudanetworks.com and d284146b.ess.barracudanetworks.com both point to the same three IPs: 209.222.82.252, 209.222.82.253 and 209.222.82.255

Names pointing to 209.222.82.252: d284146a.ess.barracudanetworks.com and d284146b.ess.barracudanetworks.com

Names pointing to 209.222.82.253: d284146a.ess.barracudanetworks.com and d284146b.ess.barracudanetworks.com

Names pointing to 209.222.82.255: d284146a.ess.barracudanetworks.com and d284146b.ess.barracudanetworks.com