colauniversity.com - robtex.com

colauniversity.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:3982🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:a3dd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.130Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.163.221🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdonna.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A2803:f800:50::6ca2:c097🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdonna.ns.cloudflare.com
A2a06:98c1:50::ac40:2097🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdonna.ns.cloudflare.com
A108.162.192.151🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A172.64.32.151🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A173.245.58.151🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
NSmcgrory.ns.cloudflare.com
A2606:4700:58::a29f:2caa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmcgrory.ns.cloudflare.com
A2803:f800:50::6ca2:c3aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmcgrory.ns.cloudflare.com
A2a06:98c1:50::ac40:23aa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmcgrory.ns.cloudflare.com
A108.162.195.170🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmcgrory.ns.cloudflare.com
A162.159.44.170Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmcgrory.ns.cloudflare.com
A172.64.35.170🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmcgrory.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.57.130, 172.67.163.221
IPv6 hints2606:4700:3031::6815:3982, 2606:4700:3035::ac43:a3dd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=111, name=cloudflare-ech.com
SOAdonna.ns.cloudflare.comdns@cloudflare.com serial=2400088589

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=1777486116

Same first word

colauniversity.com
colauniversity.org

DNS History

10 records (6 active, 4 former)

200920112013201520172019202120232025NSdonna.ns.cloudflare.commcgrory.ns.cloudflare.comns1.weekendcash.comns2.weekendcash.comMXmail.colauniversity.comA104.21.57.130172.67.163.2212606:4700:3031::6815:39822606:4700:3035::ac43:a3dd68.178.194.184
●NSdonna.ns.cloudflare.com2026-03-31 → 2026-04-29 · 3 obs
○ 2015-06-06 06:19:52
● 2026-03-31 23:27:12
● 2026-04-29 18:29:40
●NSmcgrory.ns.cloudflare.com2026-03-31 → 2026-04-29 · 3 obs
○ 2015-06-06 06:19:52
● 2026-03-31 23:27:12
● 2026-04-29 18:29:40
○NSns1.weekendcash.com2008-03-15 → 2008-03-15 · 3 obs
● 2008-03-15 05:26:00
○ 2015-06-06 06:19:52
○ 2026-04-29 18:29:40
○NSns2.weekendcash.com2008-03-15 → 2008-03-15 · 3 obs
● 2008-03-15 05:26:00
○ 2015-06-06 06:19:52
○ 2026-04-29 18:29:40
○MXmail.colauniversity.com2008-03-15 → 2008-03-15 · 3 obs
● 2008-03-15 05:26:00
○ 2015-06-06 06:19:52
○ 2026-04-29 18:29:40
●A104.21.57.1302026-03-31 → 2026-04-29 · 3 obs
○ 2015-06-06 06:19:52
● 2026-03-31 23:27:12
● 2026-04-29 18:29:40
●A172.67.163.2212026-03-31 → 2026-04-29 · 3 obs
○ 2015-06-06 06:19:52
● 2026-03-31 23:27:12
● 2026-04-29 18:29:40
●A2606:4700:3031::6815:39822026-03-31 → 2026-04-29 · 3 obs
○ 2015-06-06 06:19:52
● 2026-03-31 23:27:12
● 2026-04-29 18:29:40
●A2606:4700:3035::ac43:a3dd2026-03-31 → 2026-04-29 · 3 obs
○ 2015-06-06 06:19:52
● 2026-03-31 23:27:12
● 2026-04-29 18:29:40
○A68.178.194.1842008-03-15 → 2008-03-15 · 3 obs
● 2008-03-15 05:26:00
○ 2015-06-06 06:19:52
○ 2026-04-29 18:29:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...-
colauniversity.comdonna.ns.cloudflare.com, mcgrory.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.151

NS records: donna.ns.cloudflare.com, mcgrory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for colauniversity.com (unsigned zone)

⏱️ Timing

Total: 253ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.57.130, 172.67.163.221
AAAA22606:4700:3031::6815:3982, 2606:4700:3035::ac43:a3dd
NS2donna.ns.cloudflare.com, mcgrory.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1donna.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

colauniversity.com points to four IP numbers: 2606:4700:3031::6815:3982, 2606:4700:3035::ac43:a3dd, 104.21.57.130 and 172.67.163.221.

Other host names, for instance m9.vty36.net, geolocation.com, iidx.me, steipete.dev and arjun888.net share IP numbers with colauniversity.com.

Name Servers

colauniversity.com's delegation is to two name servers donna.ns.cloudflare.com and mcgrory.ns.cloudflare.com.

colauniversity.com uses the same name server setup as other domains, including ai1954.com, keybless.com, natubots.com and sofamail.cfd.

colauniversity.com at least partially shares its name servers with other domains, for instance russiantheory.ru, tejeblazehub.fit, shoedoctorfootwear.com, classicmanager.com and explorelovejunction.com.

these name servers are commonly used with the name servers moura.ns.cloudflare.com, eve.ns.cloudflare.com, bayan.ns.cloudflare.com, pablo.ns.cloudflare.com, jose.ns.cloudflare.com and nash.ns.cloudflare.com.

Host names with six IP numbers:

donna.ns.cloudflare.com points to: 2606:4700:50::adf5:3a97, 2803:f800:50::6ca2:c097, 2a06:98c1:50::ac40:2097, 108.162.192.151, 172.64.32.151 and 173.245.58.151.

mcgrory.ns.cloudflare.com points to: 2606:4700:58::a29f:2caa, 2803:f800:50::6ca2:c3aa, 2a06:98c1:50::ac40:23aa, 108.162.195.170, 162.159.44.170 and 172.64.35.170.