sc88edu.com - robtex.com
sc88edu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:d474Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:1086Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.16.134Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.212.116Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | grant.ns.cloudflare.com ⭐ | ||||||
| NS | wally.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.16.134, 172.67.212.116 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:d474, 2606:4700:3033::6815:1086 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=170, name=cloudflare-ech.com | ||||||
| SOA | grant.ns.cloudflare.comdns@cloudflare.com serial=2407976018 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784311202 | ||||||
DNS History
9 records (6 active, 3 former)
●NSgrant.ns.cloudflare.com2026-06-29 → 2026-07-17 · 3 obs
○ 2017-09-08 03:23:22
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
○NSjuming.dnsdun.com2017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 03:23:22
○ 2026-06-29 23:10:38
○ 2026-07-17 18:30:14
○ 2026-06-29 23:10:38
○ 2026-07-17 18:30:14
○NSjuming.dnsdun.net2017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 03:23:22
○ 2026-06-29 23:10:38
○ 2026-07-17 18:30:14
○ 2026-06-29 23:10:38
○ 2026-07-17 18:30:14
●NSwally.ns.cloudflare.com2026-06-29 → 2026-07-17 · 3 obs
○ 2017-09-08 03:23:22
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
●A104.21.16.1342026-06-29 → 2026-07-17 · 3 obs
○ 2017-09-08 03:23:22
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
●A172.67.212.1162026-06-29 → 2026-07-17 · 3 obs
○ 2017-09-08 03:23:22
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
●A2606:4700:3032::ac43:d4742026-06-29 → 2026-07-17 · 3 obs
○ 2017-09-08 03:23:22
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
●A2606:4700:3033::6815:10862026-06-29 → 2026-07-17 · 3 obs
○ 2017-09-08 03:23:22
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
● 2026-06-29 23:10:38
● 2026-07-17 18:30:14
○A47.90.37.312017-09-08 → 2017-09-08 · 3 obs
● 2017-09-08 03:23:22
○ 2026-06-29 23:10:38
○ 2026-07-17 18:30:14
○ 2026-06-29 23:10:38
○ 2026-07-17 18:30:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| sc88edu.com | wally.ns.cloudflare.com, grant.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.239
NS records: wally.ns.cloudflare.com, grant.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sc88edu.com (unsigned zone)
⏱️ Timing
Total: 3260ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.16.134, 172.67.212.116 |
| AAAA | 2 | 2606:4700:3032::ac43:d474, 2606:4700:3033::6815:1086 |
| NS | 2 | grant.ns.cloudflare.com, wally.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | grant.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (wally.ns.cloudflare.com, wally.ns.cloudflare.com, wally.ns.cloudflare.com...)
Analysis
IP Addresses
sc88edu.com points to the four IP addresses 104.21.16.134, 172.67.212.116, 2606:4700:3032::ac43:d474 and 2606:4700:3033::6815:1086.
Name Servers
DNS delegation for sc88edu.com points to two name servers: grant.ns.cloudflare.com and wally.ns.cloudflare.com.