codeoj.cn - robtex.com
codeoj.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:4363🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:dc4a🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.67.99Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.220.74🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | mcgrory.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2caa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mcgrory.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | mcgrory.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23aa🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | mcgrory.ns.cloudflare.com | ||||||
| A | 108.162.195.170🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mcgrory.ns.cloudflare.com | ||||||
| A | 162.159.44.170Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mcgrory.ns.cloudflare.com | ||||||
| A | 172.64.35.170🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mcgrory.ns.cloudflare.com | ||||||
| NS | nelly.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ad1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nelly.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0d1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nelly.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20d1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nelly.ns.cloudflare.com | ||||||
| A | 108.162.192.209🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.32.209🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.58.209🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.67.99, 172.67.220.74 | ||||||
| IPv6 hints | 2606:4700:3031::6815:4363, 2606:4700:3035::ac43:dc4a | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=40, name=cloudflare-ech.com | ||||||
| SOA | mcgrory.ns.cloudflare.comdns@cloudflare.com serial=2411895479 | ||||||
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=2035291882 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
14 records (8 active, 6 former)
●NSmcgrory.ns.cloudflare.com2026-09-01 → 2026-09-10 · 2 obs
● 2026-09-10 12:05:46
●NSnelly.ns.cloudflare.com2026-09-01 → 2026-09-10 · 2 obs
● 2026-09-10 12:05:46
●A104.21.67.992026-09-07 → 2026-09-10 · 5 obs
● 2026-09-07 11:12:30
○ 2026-09-10 07:26:58
● 2026-09-10 12:05:42
● 2026-09-10 12:05:46
●A172.67.220.742026-09-07 → 2026-09-10 · 5 obs
● 2026-09-07 11:12:30
○ 2026-09-10 07:26:58
● 2026-09-10 12:05:42
● 2026-09-10 12:05:46
○A188.114.96.02026-09-01 → 2026-09-01 · 3 obs
○ 2026-09-07 11:12:30
○ 2026-09-10 12:05:46
○A188.114.96.42026-09-10 → 2026-09-10 · 4 obs
● 2026-09-10 07:26:58
○ 2026-09-10 12:05:42
○ 2026-09-10 12:05:46
○A188.114.97.02026-09-01 → 2026-09-01 · 3 obs
○ 2026-09-07 11:12:30
○ 2026-09-10 12:05:46
○A188.114.97.42026-09-10 → 2026-09-10 · 4 obs
● 2026-09-10 07:26:58
○ 2026-09-10 12:05:42
○ 2026-09-10 12:05:46
●A2606:4700:3031::6815:43632026-09-07 → 2026-09-10 · 5 obs
● 2026-09-07 11:12:30
○ 2026-09-10 07:26:58
● 2026-09-10 12:05:42
● 2026-09-10 12:05:46
●A2606:4700:3035::ac43:dc4a2026-09-07 → 2026-09-10 · 5 obs
● 2026-09-07 11:12:30
○ 2026-09-10 07:26:58
● 2026-09-10 12:05:42
● 2026-09-10 12:05:46
○A2a06:98c1:3120::2026-09-01 → 2026-09-10 · 5 obs
○ 2026-09-07 11:12:30
● 2026-09-10 07:26:58
○ 2026-09-10 12:05:42
○ 2026-09-10 12:05:46
○A2a06:98c1:3121::2026-09-01 → 2026-09-10 · 5 obs
○ 2026-09-07 11:12:30
● 2026-09-10 07:26:58
○ 2026-09-10 12:05:42
○ 2026-09-10 12:05:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, b.dns.cn, ns.cernet.net... | 11 records |
| codeoj.cn | nelly.ns.cloudflare.com, mcgrory.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.209
NS records: nelly.ns.cloudflare.com, mcgrory.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codeoj.cn (unsigned zone)
⏱️ Timing
Total: 1128ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.220.74, 104.21.67.99 |
| AAAA | 2 | 2606:4700:3031::6815:4363, 2606:4700:3035::ac43:dc4a |
| NS | 2 | mcgrory.ns.cloudflare.com, nelly.ns.cloudflare.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | mcgrory.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 11
In-bailiwick: 10 (a.dns.cn, b.dns.cn, c.dns.cn...)
Out-of-bailiwick: 1 (ns.cernet.net)
Analysis
IP Addresses
codeoj.cn has four IP addresses: 104.21.67.99, 172.67.220.74, 2606:4700:3031::6815:4363 and 2606:4700:3035::ac43:dc4a.
Additional host names — inhb.co.uk, foxysites.com, aintree-tandoori.co.uk and two others — share IP numbers with codeoj.cn.
Name Servers
DNS delegation for codeoj.cn points to two name servers: mcgrory.ns.cloudflare.com and nelly.ns.cloudflare.com.
codeoj.cn shares its name server setup with other domains, including tokenfactory.io, 15qqq.pages.dev, thatcrazychristianromance.com and two others.
codeoj.cn has at least partial name server overlap with other domains, such as itl4dwinmax.site, dynastyforme.com, 1-ampcaliforniaclassix.pages.dev and two others.
It is common to find these name servers paired with the name servers alberto.ns.cloudflare.com, lennon.ns.cloudflare.com, asa.ns.cloudflare.com and devin.ns.cloudflare.com.
Host names with 6 IP numbers:
mcgrory.ns.cloudflare.com has IP addresses 108.162.195.170, 162.159.44.170 and 172.64.35.170, plus 3 other.
nelly.ns.cloudflare.com has IP addresses 108.162.192.209, 172.64.32.209 and 173.245.58.209, plus 3 other.
Mail Servers
codeoj.cn has two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
codeoj.cn shares the same mail server setup as other domains, including nsttool.cn, shippocket.com, pictetfino.com and two others.
codeoj.cn has mail servers in common with other domains — for example luxeinfo.ru and juu5.com.