world4ufree.tw - robtex.com
world4ufree.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:d06b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:1714🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.23.20Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.208.107🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | irena.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:264f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c24f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:224f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| A | 108.162.194.79🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| A | 162.159.38.79Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| A | 172.64.34.79🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| NS | yevgen.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cdf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yevgen.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3df🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | yevgen.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23df🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | yevgen.ns.cloudflare.com | ||||||
| A | 108.162.195.223🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yevgen.ns.cloudflare.com | ||||||
| A | 162.159.44.223Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yevgen.ns.cloudflare.com | ||||||
| A | 172.64.35.223🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yevgen.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.23.20, 172.67.208.107 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:d06b, 2606:4700:3036::6815:1714 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com | ||||||
| SOA | irena.ns.cloudflare.comdns@cloudflare.com serial=2402706887 | ||||||
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw 2011-01-02 #80 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSirena.ns.cloudflare.com2026-05-04 → 2026-05-09 · 2 obs
● 2026-05-09 07:32:38
●NSyevgen.ns.cloudflare.com2026-05-04 → 2026-05-09 · 2 obs
● 2026-05-09 07:32:38
●A104.21.23.202026-05-04 → 2026-05-09 · 2 obs
● 2026-05-09 07:32:38
●A172.67.208.1072026-05-04 → 2026-05-09 · 2 obs
● 2026-05-09 07:32:38
●A2606:4700:3034::ac43:d06b2026-05-04 → 2026-05-09 · 2 obs
● 2026-05-09 07:32:38
●A2606:4700:3036::6815:17142026-05-04 → 2026-05-09 · 2 obs
● 2026-05-09 07:32:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| world4ufree.tw | irena.ns.cloudflare.com, yevgen.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.223
NS records: irena.ns.cloudflare.com, yevgen.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for world4ufree.tw (unsigned zone)
⏱️ Timing
Total: 1004ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.208.107, 104.21.23.20 |
| AAAA | 2 | 2606:4700:3034::ac43:d06b, 2606:4700:3036::6815:1714 |
| NS | 2 | irena.ns.cloudflare.com, yevgen.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | irena.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
world4ufree.tw points to four IP numbers: 2606:4700:3034::ac43:d06b, 2606:4700:3036::6815:1714, 104.21.23.20 and 172.67.208.107.
For instance, other host names p2wzone.vip, ptmandm.org, static.(0x706f726e)-images-(0x787878).com, kevadental.com and bestlongislanddivorce.com share IP numbers with world4ufree.tw.
Name Servers
world4ufree.tw is delegated to two name servers: irena.ns.cloudflare.com and yevgen.ns.cloudflare.com.
world4ufree.tw uses the same name server setup as other domains such as rissingerranch.com, 1nm.org, world4ufree.com, world4ufree.bet and world4ufree.prof.
world4ufree.tw shares name servers with other domains at least partially, for example toonz.co, vauhti.net, aaqbx.com, logitas.net and blogsyapp.com.
These name servers are commonly used with perla.ns.cloudflare.com, curt.ns.cloudflare.com and henry.ns.cloudflare.com.
Host names with six IP numbers: host name irena.ns.cloudflare.com points to: 2606:4700:50::a29f:264f, 2803:f800:50::6ca2:c24f, 2a06:98c1:50::ac40:224f, 108.162.194.79, 162.159.38.79 and 172.64.34.79; host name yevgen.ns.cloudflare.com points to: 2606:4700:58::a29f:2cdf, 2803:f800:50::6ca2:c3df, 2a06:98c1:50::ac40:23df, 108.162.195.223, 162.159.44.223 and 172.64.35.223.