githubedu.cn - dns.ninja
githubedu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:33c7Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:b980Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.51.199Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.185.128Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | john.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bb9Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2803:f800:50::6ca2:c1b9Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| A | 2a06:98c1:50::ac40:21b9Cloudflare2a06:98c1:50::/45 | ||||||
| A | 108.162.193.185Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.33.185Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.59.185Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | sureena.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.51.199, 172.67.185.128 | ||||||
| IPv6 hints | 2606:4700:3031::6815:33c7, 2606:4700:3037::ac43:b980 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=231, name=cloudflare-ech.com | ||||||
| SOA | john.ns.cloudflare.comdns@cloudflare.com serial=2415217303 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035346398 | ||||||
Same first word
githubedu.cn |
githubedu.com |
githubedu.store |
Similar names
DNS History
6 records (6 active, 0 former)
●NSjohn.ns.cloudflare.com2026-09-11 → 2026-09-22 · 2 obs
● 2026-09-11 12:03:42
● 2026-09-22 11:32:22
● 2026-09-22 11:32:22
●NSsureena.ns.cloudflare.com2026-09-11 → 2026-09-22 · 2 obs
● 2026-09-11 12:03:42
● 2026-09-22 11:32:22
● 2026-09-22 11:32:22
●A104.21.51.1992026-09-11 → 2026-09-22 · 2 obs
● 2026-09-11 12:03:42
● 2026-09-22 11:32:22
● 2026-09-22 11:32:22
●A172.67.185.1282026-09-11 → 2026-09-22 · 2 obs
● 2026-09-11 12:03:42
● 2026-09-22 11:32:22
● 2026-09-22 11:32:22
●A2606:4700:3031::6815:33c72026-09-11 → 2026-09-22 · 2 obs
● 2026-09-11 12:03:42
● 2026-09-22 11:32:22
● 2026-09-22 11:32:22
●A2606:4700:3037::ac43:b9802026-09-11 → 2026-09-22 · 2 obs
● 2026-09-11 12:03:42
● 2026-09-22 11:32:22
● 2026-09-22 11:32:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| githubedu.cn | john.ns.cloudflare.com, sureena.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.185
NS records: john.ns.cloudflare.com, sureena.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 1840ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.185.128, 104.21.51.199 |
| AAAA | 2 | 2606:4700:3031::6815:33c7, 2606:4700:3037::ac43:b980 |
| NS | 2 | john.ns.cloudflare.com, sureena.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | john.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
githubedu.cn directs to four IP numbers, which are 104.21.51.199, 172.67.185.128, 2606:4700:3031::6815:33c7 and 2606:4700:3037::ac43:b980.
Name Servers
The NS records for githubedu.cn delegate to john.ns.cloudflare.com and sureena.ns.cloudflare.com.
Hosts with 6 IP addresses each:
john.ns.cloudflare.com maps to 108.162.193.185, 172.64.33.185, 173.245.59.185 and 3 additional IP addresses.