cssedu.com - dns.ninja

cssedu.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8e69🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:3f13🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.63.19Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.105🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrenda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a4d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
A2803:f800:50::6ca2:c04d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrenda.ns.cloudflare.com
A2a06:98c1:50::ac40:204d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrenda.ns.cloudflare.com
A108.162.192.77🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
A172.64.32.77🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
A173.245.58.77🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenda.ns.cloudflare.com
NShans.ns.cloudflare.com
A2606:4700:58::adf5:3baf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhans.ns.cloudflare.com
A2803:f800:50::6ca2:c1af🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhans.ns.cloudflare.com
A2a06:98c1:50::ac40:21af🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhans.ns.cloudflare.com
A108.162.193.175🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhans.ns.cloudflare.com
A172.64.33.175🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhans.ns.cloudflare.com
A173.245.59.175🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhans.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.63.19, 172.67.142.105
IPv6 hints2606:4700:3030::ac43:8e69, 2606:4700:3032::6815:3f13
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOAbrenda.ns.cloudflare.comdns@cloudflare.com serial=2408906049

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=1784831967
WOT: SAFE (61/100)

Same first word

cssedu.in
cssedu.com

Similar names

cuseds.com
cuseds.org
usedsc.com
secusd.com
duscse.com
usecsd.com
usedcs.com
sudesc.sc.gov.br
secdus.com
sdsecu.com
edcsus.com
sudsec.com
descus.com
usecds.com
cdesus.myshopify.com
escusd.k12.ca.us
cussed.com
usesdc.com
susecd.com
ucsdse.blogspot.co.za

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSbrenda.ns.cloudflare.comhans.ns.cloudflare.comdns10.hichina.comdns9.hichina.comA104.21.63.19172.67.142.1052606:4700:3030::ac43:8e692606:4700:3032::6815:3f13122.114.56.181123.1.155.2032606:4700:3034::ac43:8e69
●NSbrenda.ns.cloudflare.com2026-02-19 → 2026-07-23 · 3 obs
○ 2017-06-22 22:05:26
● 2026-02-19 13:24:36
● 2026-07-23 19:07:00
○NSdns10.hichina.com2015-07-12 → 2017-06-22 · 4 obs
● 2015-07-12 15:47:36
● 2017-06-22 22:05:26
○ 2026-02-19 13:24:36
○ 2026-07-23 19:07:00
○NSdns9.hichina.com2015-07-12 → 2017-06-22 · 4 obs
● 2015-07-12 15:47:36
● 2017-06-22 22:05:26
○ 2026-02-19 13:24:36
○ 2026-07-23 19:07:00
●NShans.ns.cloudflare.com2026-02-19 → 2026-07-23 · 3 obs
○ 2017-06-22 22:05:26
● 2026-02-19 13:24:36
● 2026-07-23 19:07:00
●A104.21.63.192026-02-19 → 2026-07-23 · 3 obs
○ 2017-06-22 22:05:26
● 2026-02-19 13:24:36
● 2026-07-23 19:07:00
○A122.114.56.1812016-11-27 → 2017-06-22 · 5 obs
○ 2016-05-06 19:10:52
● 2016-11-27 22:11:54
● 2017-06-22 22:05:26
○ 2026-02-19 13:24:36
○ 2026-07-23 19:07:00
○A123.1.155.2032015-07-12 → 2016-05-06 · 4 obs
● 2015-07-12 15:47:36
● 2016-05-06 19:10:52
○ 2016-11-27 22:11:54
○ 2026-07-23 19:07:00
●A172.67.142.1052026-02-19 → 2026-07-23 · 3 obs
○ 2017-06-22 22:05:26
● 2026-02-19 13:24:36
● 2026-07-23 19:07:00
●A2606:4700:3030::ac43:8e692026-07-02 → 2026-07-23 · 3 obs
○ 2026-05-30 07:21:50
● 2026-07-02 09:05:14
● 2026-07-23 19:07:00
●A2606:4700:3032::6815:3f132026-02-19 → 2026-07-23 · 3 obs
○ 2017-06-22 22:05:26
● 2026-02-19 13:24:36
● 2026-07-23 19:07:00
○A2606:4700:3034::ac43:8e692026-02-19 → 2026-05-30 · 5 obs
○ 2017-06-22 22:05:26
● 2026-02-19 13:24:36
● 2026-05-30 07:21:50
○ 2026-07-02 09:05:14
○ 2026-07-23 19:07:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cssedu.combrenda.ns.cloudflare.com, hans.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.175

NS records: brenda.ns.cloudflare.com, hans.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cssedu.com (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.142.105, 104.21.63.19
AAAA22606:4700:3030::ac43:8e69, 2606:4700:3032::6815:3f13
NS2brenda.ns.cloudflare.com, hans.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brenda.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cssedu.com directs to four IP numbers, which are 104.21.63.19, 172.67.142.105, 2606:4700:3030::ac43:8e69 and 2606:4700:3032::6815:3f13.

Among the host names that share IP numbers with cssedu.com are 227515.com, mujkx.cn, 409599.com and two others.

Name Servers

Two name servers handle the delegation for cssedu.com: brenda.ns.cloudflare.com and hans.ns.cloudflare.com.

cssedu.com has the same name server delegation as a number of other domains, such as zhaopin6.com, efrcc.com, qoxford.com and two more.

The name servers of cssedu.com overlap at least partially with those of other domains — among them intencial.fr, scalyo.com, waterapp.me and two more.

These name servers commonly appear alongside the name servers yoxall.ns.cloudflare.com and ines.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

brenda.ns.cloudflare.com resolves to 108.162.192.77, 172.64.32.77 and 173.245.58.77 among others, with 3 other IP addresses in total.

hans.ns.cloudflare.com resolves to 108.162.193.175, 172.64.33.175 and 173.245.59.175 among others, with 3 other IP addresses in total.