mastercode.cn - dns.ninja
mastercode.cn
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::ac43:8961πΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:1aa5πΊπΈ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.26.165Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.137.97πΊπΈ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | ajay.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3b38πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ajay.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c138π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ajay.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2138πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ajay.ns.cloudflare.com | ||||||
| A | 108.162.193.56πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ajay.ns.cloudflare.com | ||||||
| A | 172.64.33.56πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ajay.ns.cloudflare.com | ||||||
| A | 173.245.59.56πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ajay.ns.cloudflare.com | ||||||
| NS | olivia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26ddπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2ddπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22ddπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| A | 108.162.194.221πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| A | 162.159.38.221Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| A | 172.64.34.221πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.26.165, 172.67.137.97 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:8961, 2606:4700:3037::6815:1aa5 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=61, name=cloudflare-ech.com | ||||||
| SOA | ajay.ns.cloudflare.comdns@cloudflare.com serial=2407731805 | ||||||
cn
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.dns.cn β | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net β οΈ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035085373 | ||||||
Same first word
Similar names
DNS History
15 records (6 active, 9 former)
βNSajay.ns.cloudflare.com2026-02-17 β 2026-07-24 Β· 2 obs
β 2026-07-24 23:22:12
βNSolivia.ns.cloudflare.com2026-02-17 β 2026-07-24 Β· 2 obs
β 2026-07-24 23:22:12
βA104.21.26.1652026-02-17 β 2026-07-24 Β· 12 obs
β 2026-05-25 17:05:24
β 2026-05-26 06:36:28
β 2026-06-05 20:46:00
β 2026-06-11 07:14:56
β 2026-06-11 20:08:26
β 2026-06-13 10:13:02
β 2026-06-15 17:49:48
β 2026-06-15 18:38:44
β 2026-06-24 02:33:56
β 2026-07-24 22:25:36
β 2026-07-24 23:22:12
βA172.67.137.972026-02-17 β 2026-07-24 Β· 12 obs
β 2026-05-25 17:05:24
β 2026-05-26 06:36:28
β 2026-06-05 20:46:00
β 2026-06-11 07:14:56
β 2026-06-11 20:08:26
β 2026-06-13 10:13:02
β 2026-06-15 17:49:48
β 2026-06-15 18:38:44
β 2026-06-24 02:33:56
β 2026-07-24 22:25:36
β 2026-07-24 23:22:12
βA188.114.96.02026-05-26 β 2026-06-15 Β· 7 obs
β 2026-05-26 06:36:28
β 2026-06-05 20:46:00
β 2026-06-13 10:13:02
β 2026-06-15 17:49:48
β 2026-06-15 18:38:44
β 2026-07-24 23:22:12
βA188.114.96.42026-06-24 β 2026-06-24 Β· 4 obs
β 2026-06-24 02:33:56
β 2026-07-24 22:25:36
β 2026-07-24 23:22:12
βA188.114.97.02026-05-26 β 2026-06-15 Β· 7 obs
β 2026-05-26 06:36:28
β 2026-06-05 20:46:00
β 2026-06-13 10:13:02
β 2026-06-15 17:49:48
β 2026-06-15 18:38:44
β 2026-07-24 23:22:12
βA188.114.97.42026-06-24 β 2026-06-24 Β· 4 obs
β 2026-06-24 02:33:56
β 2026-07-24 22:25:36
β 2026-07-24 23:22:12
βA2606:4700:3030::6815:1aa52026-02-17 β 2026-06-15 Β· 14 obs
β 2026-02-21 07:46:42
β 2026-03-23 03:29:16
β 2026-03-24 10:40:08
β 2026-05-25 17:05:24
β 2026-05-26 06:36:28
β 2026-06-05 20:46:00
β 2026-06-11 07:14:56
β 2026-06-11 20:08:26
β 2026-06-13 10:13:02
β 2026-06-15 17:49:48
β 2026-06-15 18:38:44
β 2026-06-23 06:36:06
β 2026-07-24 23:22:12
βA2606:4700:3033::ac43:89612026-02-17 β 2026-07-24 Β· 15 obs
β 2026-02-21 07:46:42
β 2026-03-23 03:29:16
β 2026-03-24 10:40:08
β 2026-05-25 17:05:24
β 2026-05-26 06:36:28
β 2026-06-05 20:46:00
β 2026-06-11 07:14:56
β 2026-06-11 20:08:26
β 2026-06-13 10:13:02
β 2026-06-15 17:49:48
β 2026-06-15 18:38:44
β 2026-06-24 02:33:56
β 2026-07-24 22:25:36
β 2026-07-24 23:22:12
βA2606:4700:3037::6815:1aa52026-06-23 β 2026-07-24 Β· 5 obs
β 2026-06-23 06:36:06
β 2026-06-24 02:33:56
β 2026-07-24 22:25:36
β 2026-07-24 23:22:12
βA2a06:98c1:3120::2026-03-23 β 2026-06-24 Β· 9 obs
β 2026-03-23 03:29:16
β 2026-03-24 10:40:08
β 2026-05-25 17:05:24
β 2026-05-26 06:36:28
β 2026-06-05 20:46:00
β 2026-06-24 02:33:56
β 2026-07-24 22:25:36
β 2026-07-24 23:22:12
βA2a06:98c1:3120::42026-06-15 β 2026-06-15 Β· 4 obs
β 2026-06-15 17:49:48
β 2026-06-15 18:38:44
β 2026-07-24 23:22:12
βA2a06:98c1:3121::2026-03-23 β 2026-06-24 Β· 9 obs
β 2026-03-23 03:29:16
β 2026-03-24 10:40:08
β 2026-05-25 17:05:24
β 2026-05-26 06:36:28
β 2026-06-05 20:46:00
β 2026-06-24 02:33:56
β 2026-07-24 22:25:36
β 2026-07-24 23:22:12
βA2a06:98c1:3121::42026-06-15 β 2026-06-15 Β· 4 obs
β 2026-06-15 17:49:48
β 2026-06-15 18:38:44
β 2026-07-24 23:22:12
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| mastercode.cn | ajay.ns.cloudflare.com, olivia.ns.cloudflare.com | - |
β Authoritative Response
Server:162.159.38.221
NS records: ajay.ns.cloudflare.com, olivia.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for mastercode.cn (unsigned zone)
β±οΈ Timing
Total: 846ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.137.97, 104.21.26.165 |
| AAAA | 2 | 2606:4700:3037::6815:1aa5, 2606:4700:3033::ac43:8961 |
| NS | 2 | ajay.ns.cloudflare.com, olivia.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ajay.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
mastercode.cn points to the four IP addresses 104.21.26.165, 172.67.137.97, 2606:4700:3033::ac43:8961 and 2606:4700:3037::6815:1aa5.
dinokreatif.com, limonishoppingonline.it, www.pdp2018.org plus two other host names have IP numbers in common with mastercode.cn.
Name Servers
mastercode.cn is delegated to two name servers: ajay.ns.cloudflare.com and olivia.ns.cloudflare.com.
The name server configuration of mastercode.cn is shared with other domains, for instance brrn.cn, 85859.cn, dlhonghuan.cn and two others.
At least some of mastercode.cn's name servers are shared with other domains, for example uyizeca.top, xuhaumnm.cc, bodenplumbing.com and two more.
These name servers tend to be deployed in combination with the name servers peyton.ns.cloudflare.com and paityn.ns.cloudflare.com.
Hosts with 6 IP addresses each:
ajay.ns.cloudflare.com resolves to 108.162.193.56, 172.64.33.56, 173.245.59.56 and 3 other IP addresses.
olivia.ns.cloudflare.com resolves to 108.162.194.221, 162.159.38.221, 172.64.34.221 and 3 other IP addresses.