csffail.com - robtex.com
csffail.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:ab15🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:47ad🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.71.173Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.171.21🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | fred.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c171🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2171🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 108.162.193.113🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 172.64.33.113🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 173.245.59.113🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| NS | mia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ac8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0c8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | mia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20c8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | mia.ns.cloudflare.com | ||||||
| A | 108.162.192.200🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mia.ns.cloudflare.com | ||||||
| A | 172.64.32.200🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mia.ns.cloudflare.com | ||||||
| A | 173.245.58.200🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mia.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.71.173, 172.67.171.21 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:ab15, 2606:4700:3033::6815:47ad | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com | ||||||
| SOA | fred.ns.cloudflare.comdns@cloudflare.com serial=2399240726 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776012537 | ||||||
Subdomains
www.csffail.com |
Same first word
csffail.com |
DNS History
6 records (6 active, 0 former)
●NSfred.ns.cloudflare.com2026-04-04 → 2026-04-12 · 2 obs
● 2026-04-12 16:57:08
●NSmia.ns.cloudflare.com2026-04-04 → 2026-04-12 · 2 obs
● 2026-04-12 16:57:08
●A104.21.71.1732026-04-04 → 2026-04-12 · 2 obs
● 2026-04-12 16:57:08
●A172.67.171.212026-04-04 → 2026-04-12 · 2 obs
● 2026-04-12 16:57:08
●A2606:4700:3030::ac43:ab152026-04-04 → 2026-04-12 · 2 obs
● 2026-04-12 16:57:08
●A2606:4700:3033::6815:47ad2026-04-04 → 2026-04-12 · 2 obs
● 2026-04-12 16:57:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net... | - |
| csffail.com | fred.ns.cloudflare.com, mia.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.200
NS records: fred.ns.cloudflare.com, mia.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csffail.com (unsigned zone)
⏱️ Timing
Total: 171ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.171.21, 104.21.71.173 |
| AAAA | 2 | 2606:4700:3030::ac43:ab15, 2606:4700:3033::6815:47ad |
| NS | 2 | fred.ns.cloudflare.com, mia.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | fred.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (fred.ns.cloudflare.com, fred.ns.cloudflare.com, fred.ns.cloudflare.com...)
Analysis
Hierarchy
csffail.com is a parent of www.csffail.com.
IP Addresses
csffail.com resolves to four IPs: 2606:4700:3030::ac43:ab15, 2606:4700:3033::6815:47ad, 104.21.71.173 and 172.67.171.21.
Other host names such as student.citd.edu.vn, sajinzunfu.com, liveseen.com, ecohealthsolutions.com.au and nk88.mov share IP numbers with csffail.com.
Name Servers
csffail.com is delegated to two name servers: fred.ns.cloudflare.com and mia.ns.cloudflare.com.
csffail.com uses the same name server setup as other domains, including accalendar17.net, sanpol.ua, (0x787878)(0x62617374617264).com, budlea.com.ua and shly.link.
At least part of the name servers for csffail.com are shared with other domains, for instance planet-sega.com, okazaki-misen.com, mareads.com, tikgames.com and jianzhizhu.com.
These name servers are commonly used alongside zelda.ns.cloudflare.com and tegan.ns.cloudflare.com.
Host names with six IP numbers:
fred.ns.cloudflare.com points to: 2606:4700:58::adf5:3b71, 2803:f800:50::6ca2:c171, 2a06:98c1:50::ac40:2171, 108.162.193.113, 172.64.33.113 and 173.245.59.113.
mia.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac8, 2803:f800:50::6ca2:c0c8, 2a06:98c1:50::ac40:20c8, 108.162.192.200, 172.64.32.200 and 173.245.58.200.