cooclasses.com - robtex.com

cooclasses.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8c37🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:28ef🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.40.239Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.55🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchase.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c9c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
A2803:f800:50::6ca2:c39c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchase.ns.cloudflare.com
A2a06:98c1:50::ac40:239c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchase.ns.cloudflare.com
A108.162.195.156🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
A162.159.44.156Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
A172.64.35.156🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
NSziggy.ns.cloudflare.com
A2606:4700:50::a29f:26ed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRziggy.ns.cloudflare.com
A2803:f800:50::6ca2:c2ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRziggy.ns.cloudflare.com
A2a06:98c1:50::ac40:22ed🇺🇸 Cloudflare2a06:98c1:50::/45
PTRziggy.ns.cloudflare.com
A108.162.194.237🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRziggy.ns.cloudflare.com
A162.159.38.237Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRziggy.ns.cloudflare.com
A172.64.34.237🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRziggy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.40.239, 172.67.140.55
IPv6 hints2606:4700:3030::ac43:8c37, 2606:4700:3034::6815:28ef
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=234, name=cloudflare-ech.com
SOAchase.ns.cloudflare.comdns@cloudflare.com serial=2399041790

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=1775959087

Same first word

cooclasses.com

Similar names

accessoslo.net
accessoslo.org
soloaccess.com
accessoslo.no
cocolasses.com
accessoslo.info
accessoslo.com
accessoslo.biz

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSchase.ns.cloudflare.comziggy.ns.cloudflare.comns5.kasserver.comns6.kasserver.comMXmail.cooclasses.comw00983f1.kasserver.comA104.21.40.239172.67.140.552606:4700:3030::ac43:8c372606:4700:3034::6815:28ef85.13.151.169
●NSchase.ns.cloudflare.com2026-02-25 → 2026-04-12 · 3 obs
○ 2017-03-29 06:42:02
● 2026-02-25 08:32:14
● 2026-04-12 01:59:24
○NSns5.kasserver.com2015-08-18 → 2017-03-29 · 4 obs
● 2015-08-18 01:30:12
● 2017-03-29 06:42:02
○ 2026-02-25 08:32:14
○ 2026-04-12 01:59:24
○NSns6.kasserver.com2015-08-18 → 2017-03-29 · 4 obs
● 2015-08-18 01:30:12
● 2017-03-29 06:42:02
○ 2026-02-25 08:32:14
○ 2026-04-12 01:59:24
●NSziggy.ns.cloudflare.com2026-02-25 → 2026-04-12 · 3 obs
○ 2017-03-29 06:42:02
● 2026-02-25 08:32:14
● 2026-04-12 01:59:24
○MXmail.cooclasses.com2015-08-18 → 2016-08-10 · 4 obs
● 2015-08-18 01:30:12
● 2016-08-10 22:29:10
○ 2017-03-29 06:42:02
○ 2026-04-12 01:59:24
○MXw00983f1.kasserver.com2017-03-29 → 2017-03-29 · 4 obs
○ 2016-08-10 22:29:10
● 2017-03-29 06:42:02
○ 2026-02-25 08:32:14
○ 2026-04-12 01:59:24
●A104.21.40.2392026-02-25 → 2026-04-12 · 3 obs
○ 2017-03-29 06:42:02
● 2026-02-25 08:32:14
● 2026-04-12 01:59:24
●A172.67.140.552026-02-25 → 2026-04-12 · 3 obs
○ 2017-03-29 06:42:02
● 2026-02-25 08:32:14
● 2026-04-12 01:59:24
●A2606:4700:3030::ac43:8c372026-02-25 → 2026-04-12 · 3 obs
○ 2017-03-29 06:42:02
● 2026-02-25 08:32:14
● 2026-04-12 01:59:24
●A2606:4700:3034::6815:28ef2026-02-25 → 2026-04-12 · 3 obs
○ 2017-03-29 06:42:02
● 2026-02-25 08:32:14
● 2026-04-12 01:59:24
○A85.13.151.1692015-08-18 → 2017-03-29 · 4 obs
● 2015-08-18 01:30:12
● 2017-03-29 06:42:02
○ 2026-02-25 08:32:14
○ 2026-04-12 01:59:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...-
cooclasses.comziggy.ns.cloudflare.com, chase.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.156

NS records: ziggy.ns.cloudflare.com, chase.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cooclasses.com (unsigned zone)

⏱️ Timing

Total: 266ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.40.239, 172.67.140.55
AAAA22606:4700:3034::6815:28ef, 2606:4700:3030::ac43:8c37
NS2chase.ns.cloudflare.com, ziggy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1chase.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cooclasses.com maps to four IP numbers: 2606:4700:3030::ac43:8c37, 2606:4700:3034::6815:28ef, 104.21.40.239 and 172.67.140.55.

other host names include iconnext.net, h5gamearena.top, futurereadyca.com, g4tb.t0ppleseed.ru and faithlutheranfdl.org; they share IP numbers with cooclasses.com.

Name Servers

Two name servers chase.ns.cloudflare.com and ziggy.ns.cloudflare.com handle the delegation for cooclasses.com.

cooclasses.com shares the same name server setup as other domains, for instance bajiele.com, bxdhw.com, binance2.com, cfmega.com and dhzy168.com.

cooclasses.com at least partially shares name servers with other domains, for instance pulsesync.net, deepcreekumc.org, nnn-111.com, chilloutfest.com and mcsofficesupplies.co.za.

These name servers are commonly used alongside adele.ns.cloudflare.com, karsyn.ns.cloudflare.com and joyce.ns.cloudflare.com.

Six IP addresses per host:

chase.ns.cloudflare.com points to 2606:4700:58::a29f:2c9c, 2803:f800:50::6ca2:c39c, 2a06:98c1:50::ac40:239c, 108.162.195.156, 162.159.44.156 and 172.64.35.156; ziggy.ns.cloudflare.com points to 2606:4700:50::a29f:26ed, 2803:f800:50::6ca2:c2ed, 2a06:98c1:50::ac40:22ed, 108.162.194.237, 162.159.38.237 and 172.64.34.237