ldfb.cn - robtex.com
ldfb.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:889e🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:4ebd🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.78.189Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.136.158🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | anirban.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b40🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c140🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2140🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 108.162.193.64🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 172.64.33.64🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| A | 173.245.59.64🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anirban.ns.cloudflare.com | ||||||
| NS | isla.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a77🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c077🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2077🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 108.162.192.119🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 172.64.32.119🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 173.245.58.119🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.78.189, 172.67.136.158 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:889e, 2606:4700:3034::6815:4ebd | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=201, name=cloudflare-ech.com | ||||||
| SOA | anirban.ns.cloudflare.comdns@cloudflare.com serial=2410455769 | ||||||
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=2035123337 | ||||||
Same first word
Similar names
DNS History
16 records (6 active, 10 former)
●NSanirban.ns.cloudflare.com2026-07-01 → 2026-08-02 · 3 obs
● 2026-07-01 00:59:06
● 2026-08-02 07:20:42
○NSf1g1ns1.dnspod.net2015-08-23 → 2015-08-23 · 3 obs
○ 2026-07-01 00:59:06
○ 2026-08-02 07:20:42
○NSf1g1ns2.dnspod.net2015-08-23 → 2015-08-23 · 3 obs
○ 2026-07-01 00:59:06
○ 2026-08-02 07:20:42
●NSisla.ns.cloudflare.com2026-07-01 → 2026-08-02 · 3 obs
● 2026-07-01 00:59:06
● 2026-08-02 07:20:42
○MXmail.skrimple.com2015-12-10 → 2017-05-13 · 4 obs
● 2017-05-13 15:24:48
○ 2026-07-01 00:59:06
○ 2026-08-02 07:20:42
○A103.51.144.812017-05-13 → 2017-05-13 · 4 obs
● 2017-05-13 15:24:48
○ 2026-07-01 00:59:06
○ 2026-08-02 07:20:42
●A104.21.78.1892026-07-01 → 2026-08-02 · 3 obs
● 2026-07-01 00:59:06
● 2026-08-02 07:20:42
○A123.254.111.1902015-08-23 → 2015-08-23 · 3 obs
○ 2015-12-10 17:26:24
○ 2026-08-02 07:20:42
●A172.67.136.1582026-07-01 → 2026-08-02 · 3 obs
● 2026-07-01 00:59:06
● 2026-08-02 07:20:42
○A23.27.98.2362017-05-13 → 2017-05-13 · 4 obs
● 2017-05-13 15:24:48
○ 2026-07-01 00:59:06
○ 2026-08-02 07:20:42
○A2606:4700:3030::ac43:889e2026-07-01 → 2026-07-01 · 3 obs
● 2026-07-01 00:59:06
○ 2026-08-02 07:20:42
●A2606:4700:3031::ac43:889e2026-08-02 → 2026-08-02 · 2 obs
● 2026-08-02 07:20:42
●A2606:4700:3034::6815:4ebd2026-08-02 → 2026-08-02 · 2 obs
● 2026-08-02 07:20:42
○A2606:4700:3037::6815:4ebd2026-07-01 → 2026-07-01 · 3 obs
● 2026-07-01 00:59:06
○ 2026-08-02 07:20:42
○A65.19.157.2342016-04-26 → 2016-04-26 · 4 obs
● 2016-04-26 10:19:24
○ 2017-05-13 15:24:48
○ 2026-08-02 07:20:42
○A65.19.157.2352015-12-10 → 2016-01-24 · 5 obs
● 2015-12-10 17:26:24
● 2016-01-24 17:09:50
○ 2016-04-26 10:19:24
○ 2026-08-02 07:20:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ldfb.cn | isla.ns.cloudflare.com, anirban.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.64
NS records: isla.ns.cloudflare.com, anirban.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ldfb.cn (unsigned zone)
⏱️ Timing
Total: 1020ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.136.158, 104.21.78.189 |
| AAAA | 2 | 2606:4700:3031::ac43:889e, 2606:4700:3034::6815:4ebd |
| NS | 2 | anirban.ns.cloudflare.com, isla.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | anirban.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
ldfb.cn has four IP addresses: 104.21.78.189, 172.67.136.158, 2606:4700:3031::ac43:889e and 2606:4700:3034::6815:4ebd.
Additional host names — pe-1xbet-apuestaslive.org, windjet.co.uk, i-cloud.com.au and two others — share IP numbers with ldfb.cn.
Name Servers
ldfb.cn has two authoritative name servers — anirban.ns.cloudflare.com and isla.ns.cloudflare.com.
ldfb.cn shares its name server setup with other domains, including ta001.com, ricklance.com, jqvery.cc and two others.
ldfb.cn has at least partial name server overlap with other domains, such as dynamitebaits.com, alphajforge.info, sm188dvlv.rest and two others.
Host names with 6 IP numbers:
anirban.ns.cloudflare.com points to 108.162.193.64, 172.64.33.64, 173.245.59.64 and 3 other IP addresses.
isla.ns.cloudflare.com points to 108.162.192.119, 172.64.32.119, 173.245.58.119 and 3 other IP addresses.