sdcyedu.com - robtex.com

sdcyedu.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:dc2🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9d4d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.13.194Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.157.77🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmelinda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3ac6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A2803:f800:50::6ca2:c0c6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmelinda.ns.cloudflare.com
A2a06:98c1:50::ac40:20c6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmelinda.ns.cloudflare.com
A108.162.192.198🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A172.64.32.198🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A173.245.58.198🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
NSpatryk.ns.cloudflare.com
A2606:4700:58::a29f:2c7a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
A2803:f800:50::6ca2:c37a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpatryk.ns.cloudflare.com
A2a06:98c1:50::ac40:237a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpatryk.ns.cloudflare.com
A108.162.195.122🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
A162.159.44.122Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
A172.64.35.122🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.13.194, 172.67.157.77
IPv62606:4700:3035::6815:dc2, 2606:4700:3037::ac43:9d4d
SOAmelinda.ns.cloudflare.comdns@cloudflare.com serial=2398429616

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=1771291435

Subdomains

www.sdcyedu.com

Same first word

sdcyedu.com

Similar names

csydedu.com
csdyedu.com

DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NSmelinda.ns.cloudflare.compatryk.ns.cloudflare.comns.cdnhost.cnns.dnsfamily.comA104.21.13.194172.67.157.772606:4700:3035::6815:dc22606:4700:3037::ac43:9d4d113.10.183.123
●NSmelinda.ns.cloudflare.com2026-02-15 → 2026-03-22 · 3 obs
○ 2016-12-21 05:14:22
● 2026-02-15 01:50:54
● 2026-03-22 20:38:08
○NSns.cdnhost.cn2015-06-06 → 2016-12-21 · 4 obs
● 2015-06-06 17:15:16
● 2016-12-21 05:14:22
○ 2026-02-15 01:50:54
○ 2026-03-22 20:38:08
○NSns.dnsfamily.com2015-06-06 → 2016-12-21 · 4 obs
● 2015-06-06 17:15:16
● 2016-12-21 05:14:22
○ 2026-02-15 01:50:54
○ 2026-03-22 20:38:08
●NSpatryk.ns.cloudflare.com2026-02-15 → 2026-03-22 · 3 obs
○ 2016-12-21 05:14:22
● 2026-02-15 01:50:54
● 2026-03-22 20:38:08
●A104.21.13.1942026-02-15 → 2026-03-22 · 3 obs
○ 2016-12-21 05:14:22
● 2026-02-15 01:50:54
● 2026-03-22 20:38:08
○A113.10.183.1232015-06-06 → 2016-12-21 · 4 obs
● 2015-06-06 17:15:16
● 2016-12-21 05:14:22
○ 2026-02-15 01:50:54
○ 2026-03-22 20:38:08
●A172.67.157.772026-02-15 → 2026-03-22 · 3 obs
○ 2016-12-21 05:14:22
● 2026-02-15 01:50:54
● 2026-03-22 20:38:08
●A2606:4700:3035::6815:dc22026-02-15 → 2026-03-22 · 3 obs
○ 2016-12-21 05:14:22
● 2026-02-15 01:50:54
● 2026-03-22 20:38:08
●A2606:4700:3037::ac43:9d4d2026-02-15 → 2026-03-22 · 3 obs
○ 2016-12-21 05:14:22
● 2026-02-15 01:50:54
● 2026-03-22 20:38:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net...-
sdcyedu.commelinda.ns.cloudflare.com, patryk.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.192.198

NS records: melinda.ns.cloudflare.com, patryk.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdcyedu.com (unsigned zone)

⏱️ Timing

Total: 263ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.157.77, 104.21.13.194
AAAA22606:4700:3035::6815:dc2, 2606:4700:3037::ac43:9d4d
NS2melinda.ns.cloudflare.com, patryk.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1melinda.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of www.sdcyedu.com is sdcyedu.com.

IP Addresses

sdcyedu.com resolves to four IP numbers: 2606:4700:3035::6815:dc2, 2606:4700:3037::ac43:9d4d, 104.21.13.194 and 172.67.157.77.

Other host names such as live(0x736578)24chat.com, annesofiemadsen.dk, feeljeen.com, tqlsly.com and 33rpmdesign.com share IPs with sdcyedu.com.

Name Servers

sdcyedu.com is delegated to two name servers: melinda.ns.cloudflare.com and patryk.ns.cloudflare.com.

sdcyedu.com shares the same name server setup as finetailor-tech.com, cqtsqg.cn, qdmiaoyue.com, hzyouping.com and fhsxmu.com.

sdcyedu.com at least partially shares name servers with other domains, for instance camionesmg.com, sawarai.com, maqqeo.com, idxhome.co and fim.ventures.

these name servers are often used in conjunction with the name servers meilani.ns.cloudflare.com.

Host names with six IP numbers:

melinda.ns.cloudflare.com points to 2606:4700:50::adf5:3ac6, 2803:f800:50::6ca2:c0c6, 2a06:98c1:50::ac40:20c6, 108.162.192.198, 172.64.32.198 and 173.245.58.198.

patryk.ns.cloudflare.com points to 2606:4700:58::a29f:2c7a, 2803:f800:50::6ca2:c37a, 2a06:98c1:50::ac40:237a, 108.162.195.122, 162.159.44.122 and 172.64.35.122.