csffail.com - dns.ninja
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=199, name=cloudflare-ech.com | ||||||
| SOA | fred.ns.cloudflare.comdns@cloudflare.com serial=2407422461 | ||||||
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=1781948595 | ||||||
Subdomains
www.csffail.com |
Same first word
csffail.com |
DNS History
6 records (6 active, 0 former)
●NSfred.ns.cloudflare.com2026-04-04 → 2026-06-20 · 2 obs
● 2026-06-20 09:44:14
●NSmia.ns.cloudflare.com2026-04-04 → 2026-06-20 · 2 obs
● 2026-06-20 09:44:14
●A104.21.71.1732026-04-04 → 2026-06-20 · 2 obs
● 2026-06-20 09:44:14
●A172.67.171.212026-04-04 → 2026-06-20 · 2 obs
● 2026-06-20 09:44:14
●A2606:4700:3030::ac43:ab152026-04-04 → 2026-06-20 · 2 obs
● 2026-06-20 09:44:14
●A2606:4700:3033::6815:47ad2026-04-04 → 2026-06-20 · 2 obs
● 2026-06-20 09:44:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.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: 214ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.71.173, 172.67.171.21 |
| 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 serves as the parent of www.csffail.com.
IP Addresses
csffail.com has four IP addresses: 104.21.71.173, 172.67.171.21, 2606:4700:3030::ac43:ab15 and 2606:4700:3033::6815:47ad.
Among the host names that share IP numbers with csffail.com are student.citd.edu.vn, powertact.com, sajinzunfu.com and two others.
Name Servers
csffail.com is delegated to two name servers: fred.ns.cloudflare.com and mia.ns.cloudflare.com.
csffail.com has the same name server delegation as a number of other domains, such as accalendar17.net, sanpol.ua, (0x787878)(0x62617374617264).com and two more.
csffail.com has at least partial name server overlap with other domains, such as planet-sega.com, wexter.cl, okazaki-misen.com and two others.
It is common to find these name servers paired with the name servers fatima.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
fred.ns.cloudflare.com resolves to 108.162.193.113, 172.64.33.113, 173.245.59.113 and 3 other IP addresses.
mia.ns.cloudflare.com resolves to 108.162.192.200, 172.64.32.200, 173.245.58.200 and 3 other IP addresses.