libkr.com.cn - robtex.com
libkr.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:40f0🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8a2b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.64.240Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.138.43🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alex.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b64🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c164🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2164🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 108.162.193.100🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 172.64.33.100🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 173.245.59.100🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| NS | lana.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ab6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0b6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20b6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| A | 108.162.192.182🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| A | 172.64.32.182🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| A | 173.245.58.182🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.64.240, 172.67.138.43 | ||||||
| IPv6 hints | 2606:4700:3033::6815:40f0, 2606:4700:3037::ac43:8a2b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com | ||||||
| SOA | alex.ns.cloudflare.comdns@cloudflare.com serial=2399298975 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030559454 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSalex.ns.cloudflare.com2026-05-06 → 2026-05-10 · 2 obs
● 2026-05-10 05:18:06
●NSlana.ns.cloudflare.com2026-05-06 → 2026-05-10 · 2 obs
● 2026-05-10 05:18:06
●A104.21.64.2402026-05-06 → 2026-05-10 · 2 obs
● 2026-05-10 05:18:06
●A172.67.138.432026-05-06 → 2026-05-10 · 2 obs
● 2026-05-10 05:18:06
●A2606:4700:3033::6815:40f02026-05-06 → 2026-05-10 · 2 obs
● 2026-05-10 05:18:06
●A2606:4700:3037::ac43:8a2b2026-05-06 → 2026-05-10 · 2 obs
● 2026-05-10 05:18:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn... | - |
| libkr.com.cn | alex.ns.cloudflare.com, lana.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.100
NS records: alex.ns.cloudflare.com, lana.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for libkr.com.cn (unsigned zone)
⏱️ Timing
Total: 679ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.138.43, 104.21.64.240 |
| AAAA | 2 | 2606:4700:3037::ac43:8a2b, 2606:4700:3033::6815:40f0 |
| NS | 2 | alex.ns.cloudflare.com, lana.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alex.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
Four IP numbers are pointed to by libkr.com.cn: 2606:4700:3033::6815:40f0, 2606:4700:3037::ac43:8a2b, 104.21.64.240 and 172.67.138.43.
other host names including n71.net, omnineosystems.sbs, 9b.arrival-verification492752767.com, www.zipkinci.com and bsdimp.net share IP numbers with libkr.com.cn.
Name Servers
libkr.com.cn is delegated to two name servers alex.ns.cloudflare.com and lana.ns.cloudflare.com.
libkr.com.cn shares the same name server setup as other domains, for instance woottones.com, martlocal.com, computerywarfare.com, spoonjack.com and universitygyan.com.
libkr.com.cn at least partially shares name servers with other domains, for instance flowganiser.com, mostbetuzbekiston.com, superdrychilesale.com, fishbusinezz.ru and gosharetru.com.
These name servers are commonly used alongside ashton.ns.cloudflare.com and sevki.ns.cloudflare.com.
Host names with six IP numbers:
Host name alex.ns.cloudflare.com points to: 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100.
Host name lana.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab6, 2803:f800:50::6ca2:c0b6, 2a06:98c1:50::ac40:20b6, 108.162.192.182, 172.64.32.182 and 173.245.58.182.