codeclassroom.cc - dns.ninja
codeclassroom.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:961c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:6006🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.96.6Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.150.28🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | emerson.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c60🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emerson.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c360🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | emerson.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2360🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | emerson.ns.cloudflare.com | ||||||
| A | 108.162.195.96🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emerson.ns.cloudflare.com | ||||||
| A | 162.159.44.96Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emerson.ns.cloudflare.com | ||||||
| A | 172.64.35.96🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emerson.ns.cloudflare.com | ||||||
| NS | margaret.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:266b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margaret.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c26b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | margaret.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:226b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | margaret.ns.cloudflare.com | ||||||
| A | 108.162.194.107🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margaret.ns.cloudflare.com | ||||||
| A | 162.159.38.107Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margaret.ns.cloudflare.com | ||||||
| A | 172.64.34.107🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | margaret.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.96.6, 172.67.150.28 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:961c, 2606:4700:3036::6815:6006 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com | ||||||
| SOA | emerson.ns.cloudflare.comdns@cloudflare.com serial=2412803564 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1788361658 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSemerson.ns.cloudflare.com2026-08-30 → 2026-09-02 · 2 obs
● 2026-09-02 15:24:30
●NSmargaret.ns.cloudflare.com2026-08-30 → 2026-09-02 · 2 obs
● 2026-09-02 15:24:30
●A104.21.96.62026-08-30 → 2026-09-02 · 2 obs
● 2026-09-02 15:24:30
●A172.67.150.282026-08-30 → 2026-09-02 · 2 obs
● 2026-09-02 15:24:30
●A2606:4700:3031::ac43:961c2026-08-30 → 2026-09-02 · 2 obs
● 2026-09-02 15:24:30
●A2606:4700:3036::6815:60062026-08-30 → 2026-09-02 · 2 obs
● 2026-09-02 15:24:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com | - |
| codeclassroom.cc | margaret.ns.cloudflare.com, emerson.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.107
NS records: margaret.ns.cloudflare.com, emerson.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codeclassroom.cc (unsigned zone)
⏱️ Timing
Total: 618ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.150.28, 104.21.96.6 |
| AAAA | 2 | 2606:4700:3031::ac43:961c, 2606:4700:3036::6815:6006 |
| NS | 2 | emerson.ns.cloudflare.com, margaret.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | emerson.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
codeclassroom.cc has four IP addresses: 104.21.96.6, 172.67.150.28, 2606:4700:3031::ac43:961c and 2606:4700:3036::6815:6006.
opticienlelunetier.fr, texascoverealty.info, globalheadline.us and two other host names share IP numbers with codeclassroom.cc.
Name Servers
codeclassroom.cc uses two name servers for its delegation: emerson.ns.cloudflare.com and margaret.ns.cloudflare.com.
codeclassroom.cc uses the same name servers as several other domains — among them jkarstoft.workers.dev, kmre.si, sanmarino2.pages.dev and two more.
codeclassroom.cc shares at least some of its name servers with other domains, including fox-vologda2017.workers.dev, berealpartnership.com, shamrockbros.com and two others.
These name servers are frequently seen alongside the name servers raquel.ns.cloudflare.com, brett.ns.cloudflare.com, colette.ns.cloudflare.com and liv.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
Hostname emerson.ns.cloudflare.com directs to 108.162.195.96, 162.159.44.96 and 172.64.35.96 along with 3 other IP addresses.
Hostname margaret.ns.cloudflare.com directs to 108.162.194.107, 162.159.38.107 and 172.64.34.107 along with 3 other IP addresses.