rsfo.cn - robtex.com
rsfo.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:5d19🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:cb07🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.93.25Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.203.7🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ali.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a3b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c03b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:203b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 108.162.192.59🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 172.64.32.59🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 173.245.58.59🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| NS | matteo.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2ce0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | matteo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3e0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | matteo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23e0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | matteo.ns.cloudflare.com | ||||||
| A | 108.162.195.224🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | matteo.ns.cloudflare.com | ||||||
| A | 162.159.44.224Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | matteo.ns.cloudflare.com | ||||||
| A | 172.64.35.224🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | matteo.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.93.25, 172.67.203.7 | ||||||
| IPv6 | 2606:4700:3030::6815:5d19, 2606:4700:3033::ac43:cb07 | ||||||
| SOA | ali.ns.cloudflare.comdns@cloudflare.com serial=2400102207 | ||||||
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=2034594934 | ||||||
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSali.ns.cloudflare.com2026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:25:24
● 2026-03-27 17:12:34
○NSdns1.iidns.com2016-11-20 → 2016-11-20 · 3 obs
○ 2026-03-26 17:25:24
○ 2026-03-27 17:12:34
○NSdns2.iidns.com2016-11-20 → 2016-11-20 · 3 obs
○ 2026-03-26 17:25:24
○ 2026-03-27 17:12:34
○NSdns3.iidns.com2016-11-20 → 2016-11-20 · 3 obs
○ 2026-03-26 17:25:24
○ 2026-03-27 17:12:34
○NSdns4.iidns.com2016-11-20 → 2016-11-20 · 3 obs
○ 2026-03-26 17:25:24
○ 2026-03-27 17:12:34
○NSdns5.iidns.com2016-11-20 → 2016-11-20 · 3 obs
○ 2026-03-26 17:25:24
○ 2026-03-27 17:12:34
○NSdns6.iidns.com2016-11-20 → 2016-11-20 · 3 obs
○ 2026-03-26 17:25:24
○ 2026-03-27 17:12:34
●NSmatteo.ns.cloudflare.com2026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:25:24
● 2026-03-27 17:12:34
●A104.21.93.252026-03-26 → 2026-03-27 · 2 obs
● 2026-03-27 17:12:34
●A172.67.203.72026-03-26 → 2026-03-27 · 2 obs
● 2026-03-27 17:12:34
●A2606:4700:3030::6815:5d192026-03-26 → 2026-03-27 · 2 obs
● 2026-03-27 17:12:34
●A2606:4700:3033::ac43:cb072026-03-26 → 2026-03-27 · 2 obs
● 2026-03-27 17:12:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| rsfo.cn | ali.ns.cloudflare.com, matteo.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.59
NS records: ali.ns.cloudflare.com, matteo.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rsfo.cn (unsigned zone)
⏱️ Timing
Total: 840ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.203.7, 104.21.93.25 |
| AAAA | 2 | 2606:4700:3030::6815:5d19, 2606:4700:3033::ac43:cb07 |
| NS | 2 | ali.ns.cloudflare.com, matteo.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ali.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
rsfo.cn resolves to four IPs: 2606:4700:3030::6815:5d19, 2606:4700:3033::ac43:cb07, 104.21.93.25 and 172.67.203.7.
Other host names, for instance hanabet.net, sukodono.id, cor-pro.ru, mechti.net and www.banzai-casino.fr share IP numbers with rsfo.cn.
Name Servers
rsfo.cn has two name servers: ali.ns.cloudflare.com and matteo.ns.cloudflare.com.
rsfo.cn shares the same name server setup as other domains, for example emqa.cn, szmeililama.com, cj-gift.com.cn, onnk.cn and zzsanying.net.
rsfo.cn shares some name servers with other domains, for example la-semyr.es, 195.tv, poweryogaevolution.com, ifactory.my and tedatakent.k12.tr.
These name servers are often used together with mckinley.ns.cloudflare.com, peyton.ns.cloudflare.com and piers.ns.cloudflare.com.
Host names with six IP numbers: ali.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3b, 2803:f800:50::6ca2:c03b, 2a06:98c1:50::ac40:203b, 108.162.192.59, 172.64.32.59 and 173.245.58.59; matteo.ns.cloudflare.com points to: 2606:4700:58::a29f:2ce0, 2803:f800:50::6ca2:c3e0, 2a06:98c1:50::ac40:23e0, 108.162.195.224, 162.159.44.224 and 172.64.35.224.