sjcredu.com - robtex.com

sjcredu.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:595🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9ab8🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.149Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.154.184🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarmfazh.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
A2803:f800:50::6ca2:c368🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRarmfazh.ns.cloudflare.com
A2a06:98c1:50::ac40:2368🇺🇸 Cloudflare2a06:98c1:50::/45
PTRarmfazh.ns.cloudflare.com
A108.162.195.104🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
A162.159.44.104Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
A172.64.35.104🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
NSviolet.ns.cloudflare.com
A2606:4700:50::adf5:3aed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A2803:f800:50::6ca2:c0ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRviolet.ns.cloudflare.com
A2a06:98c1:50::ac40:20ed🇺🇸 Cloudflare2a06:98c1:50::/45
PTRviolet.ns.cloudflare.com
A108.162.192.237🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A172.64.32.237🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A173.245.58.237🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.149, 172.67.154.184
IPv6 hints2606:4700:3032::6815:595, 2606:4700:3033::ac43:9ab8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=82, name=cloudflare-ech.com
SOAarmfazh.ns.cloudflare.comdns@cloudflare.com serial=2407908088

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=1786698834
rank #912049 globally
rank #387974 in the tld

Same first word

sjcredu.com

Similar names

jscredu.com
djcruse.com

DNS History

9 records (6 active, 3 former)

NSarmfazh.ns.cloudflare.comviolet.ns.cloudflare.comn1.xundns.comn2.xundns.comA104.21.5.149172.67.154.1842606:4700:3032::6815:5952606:4700:3033::ac43:9ab8107.163.90.234
●NSarmfazh.ns.cloudflare.com2026-07-24 → 2026-08-14 · 3 obs
○ 2026-06-04 20:43:22
● 2026-07-24 01:31:50
● 2026-08-14 09:26:40
○NSn1.xundns.com2026-05-22 → 2026-06-04 · 4 obs
● 2026-05-22 07:06:10
● 2026-06-04 20:43:22
○ 2026-07-24 01:31:50
○ 2026-08-14 09:26:40
○NSn2.xundns.com2026-05-22 → 2026-06-04 · 4 obs
● 2026-05-22 07:06:10
● 2026-06-04 20:43:22
○ 2026-07-24 01:31:50
○ 2026-08-14 09:26:40
●NSviolet.ns.cloudflare.com2026-07-24 → 2026-08-14 · 3 obs
○ 2026-06-04 20:43:22
● 2026-07-24 01:31:50
● 2026-08-14 09:26:40
●A104.21.5.1492026-07-24 → 2026-08-14 · 3 obs
○ 2026-06-04 20:43:22
● 2026-07-24 01:31:50
● 2026-08-14 09:26:40
○A107.163.90.2342026-05-22 → 2026-06-04 · 4 obs
● 2026-05-22 07:06:10
● 2026-06-04 20:43:22
○ 2026-07-24 01:31:50
○ 2026-08-14 09:26:40
●A172.67.154.1842026-07-24 → 2026-08-14 · 3 obs
○ 2026-06-04 20:43:22
● 2026-07-24 01:31:50
● 2026-08-14 09:26:40
●A2606:4700:3032::6815:5952026-07-24 → 2026-08-14 · 3 obs
○ 2026-06-04 20:43:22
● 2026-07-24 01:31:50
● 2026-08-14 09:26:40
●A2606:4700:3033::ac43:9ab82026-07-24 → 2026-08-14 · 3 obs
○ 2026-06-04 20:43:22
● 2026-07-24 01:31:50
● 2026-08-14 09:26:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...-
sjcredu.comviolet.ns.cloudflare.com, armfazh.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.104

NS records: violet.ns.cloudflare.com, armfazh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sjcredu.com (unsigned zone)

⏱️ Timing

Total: 249ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.154.184, 104.21.5.149
AAAA22606:4700:3032::6815:595, 2606:4700:3033::ac43:9ab8
NS2armfazh.ns.cloudflare.com, violet.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1armfazh.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sjcredu.com resolves to four IP addresses: 104.21.5.149, 172.67.154.184, 2606:4700:3032::6815:595 and 2606:4700:3033::ac43:9ab8.

Among the host names that share IP numbers with sjcredu.com are www.canariasdiario.com, skyvisionteam.sbs, marslink.vip and two others.

Name Servers

sjcredu.com uses two name servers for its delegation: armfazh.ns.cloudflare.com and violet.ns.cloudflare.com.

sjcredu.com has the same name server delegation as a number of other domains, such as sdadaeducn.com, corinne-hk.com, hf-autodoor.com and two more.

sjcredu.com has at least partial name server overlap with other domains, such as calidadapicola.com, tanita.online, alkindi.org and two others.

It is common to find these name servers paired with the name servers reese.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname armfazh.ns.cloudflare.com directs to 108.162.195.104, 162.159.44.104 and 172.64.35.104 along with 3 other IP addresses.

Hostname violet.ns.cloudflare.com directs to 108.162.192.237, 172.64.32.237 and 173.245.58.237 along with 3 other IP addresses.