tf138.cn - robtex.com
tf138.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:a9a9🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:2f05🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.47.5Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.169.169🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | leif.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cde🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leif.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3de🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | leif.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23de🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | leif.ns.cloudflare.com | ||||||
| A | 108.162.195.222🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leif.ns.cloudflare.com | ||||||
| A | 162.159.44.222Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leif.ns.cloudflare.com | ||||||
| A | 172.64.35.222🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leif.ns.cloudflare.com | ||||||
| NS | liz.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3abd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20bd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 108.162.192.189🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 172.64.32.189🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| A | 173.245.58.189🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | liz.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.47.5, 172.67.169.169 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:a9a9, 2606:4700:3036::6815:2f05 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=98, name=cloudflare-ech.com | ||||||
| SOA | leif.ns.cloudflare.comdns@cloudflare.com serial=2400175822 | ||||||
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=2034701138 | ||||||
Same first word
tf138.cn |
Similar names
DNS History
8 records (6 active, 2 former)
●NSleif.ns.cloudflare.com2026-03-15 → 2026-04-23 · 3 obs
● 2026-03-15 14:28:32
● 2026-04-23 02:24:04
●NSliz.ns.cloudflare.com2026-03-15 → 2026-04-23 · 3 obs
● 2026-03-15 14:28:32
● 2026-04-23 02:24:04
○NSns11.xincache.com2015-08-25 → 2015-08-25 · 3 obs
○ 2015-12-20 14:56:36
○ 2026-04-23 02:24:04
○NSns12.xincache.com2015-08-25 → 2015-08-25 · 3 obs
○ 2015-12-20 14:56:36
○ 2026-04-23 02:24:04
●A104.21.47.52026-03-15 → 2026-04-23 · 2 obs
● 2026-04-23 02:24:04
●A172.67.169.1692026-03-15 → 2026-04-23 · 2 obs
● 2026-04-23 02:24:04
●A2606:4700:3031::ac43:a9a92026-03-15 → 2026-04-23 · 2 obs
● 2026-04-23 02:24:04
●A2606:4700:3036::6815:2f052026-03-15 → 2026-04-23 · 2 obs
● 2026-04-23 02:24:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| tf138.cn | liz.ns.cloudflare.com, leif.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.189
NS records: liz.ns.cloudflare.com, leif.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tf138.cn (unsigned zone)
⏱️ Timing
Total: 925ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.47.5, 172.67.169.169 |
| AAAA | 2 | 2606:4700:3036::6815:2f05, 2606:4700:3031::ac43:a9a9 |
| NS | 2 | leif.ns.cloudflare.com, liz.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | leif.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
tf138.cn points to four IP numbers: 2606:4700:3031::ac43:a9a9, 2606:4700:3036::6815:2f05, 104.21.47.5 and 172.67.169.169.
Other host names, for instance fischinger.at, www.andros.co.il, beritakotamakassar.com, 996485.com and static.adbaitai.com share IP numbers with tf138.cn.
Name Servers
Delegation for tf138.cn rests with two name servers, leif.ns.cloudflare.com and liz.ns.cloudflare.com.
tf138.cn shares the same name server setup as other domains, including motuoting.cn, zbljnm.com, cnwxhl.com, seoqa.cn and 42622.cn.
tf138.cn at least partially shares name servers with other domains, for instance chat.nnov.ru, 757882.com, torklift-intranet.com, 1133678.com and luckystream.nl.
These name servers are commonly used with kim.ns.cloudflare.com and emma.ns.cloudflare.com.
Host names with six IP numbers: leif.ns.cloudflare.com points to: 2606:4700:58::a29f:2cde, 2803:f800:50::6ca2:c3de, 2a06:98c1:50::ac40:23de, 108.162.195.222, 162.159.44.222 and 172.64.35.222. liz.ns.cloudflare.com points to: 2606:4700:50::adf5:3abd, 2803:f800:50::6ca2:c0bd, 2a06:98c1:50::ac40:20bd, 108.162.192.189, 172.64.32.189 and 173.245.58.189.