system01.cfd - robtex.com
system01.cfd
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.21.87.156Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.144.79🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | phil.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b89🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c189🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2189🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 108.162.193.137🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 172.64.33.137🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 173.245.59.137🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| NS | ulla.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ae9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0e9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20e9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 108.162.192.233🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 172.64.32.233🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 173.245.58.233🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.87.156, 172.67.144.79 | ||||||
| SOA | phil.ns.cloudflare.comdns@cloudflare.com serial=2398196218 | ||||||
cfd
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.cfd | ||||||
| NS | b.nic.cfd | ||||||
| NS | c.nic.cfd | ||||||
| NS | d.nic.cfd | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1774172586 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSphil.ns.cloudflare.com2026-03-18 → 2026-03-22 · 2 obs
● 2026-03-22 22:03:20
●NSulla.ns.cloudflare.com2026-03-18 → 2026-03-22 · 2 obs
● 2026-03-22 22:03:20
●A104.21.87.1562026-03-18 → 2026-03-22 · 2 obs
● 2026-03-22 22:03:20
●A172.67.144.792026-03-18 → 2026-03-22 · 2 obs
● 2026-03-22 22:03:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cfd | b.nic.cfd, a.nic.cfd, d.nic.cfd, c.nic.cfd | 8 records |
| system01.cfd | ulla.ns.cloudflare.com, phil.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 108.162.193.137
NS records: ulla.ns.cloudflare.com, phil.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for system01.cfd (unsigned zone)
⏱️ Timing
Total: 348ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.144.79, 104.21.87.156 |
| NS | 2 | phil.ns.cloudflare.com, ulla.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | phil.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (d.nic.cfd, c.nic.cfd, b.nic.cfd...)
Analysis
IP Addresses
system01.cfd points to two IP numbers: 104.21.87.156 and 172.67.144.79.
Other host names, for instance 42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.42b0a432c8e6.stepbysteplife.com, randigunther.com, rickjoe.com, acecdn.com and termaselcorazon.cl share IP numbers with system01.cfd.
Name Servers
system01.cfd's delegation is to two name servers phil.ns.cloudflare.com and ulla.ns.cloudflare.com.
system01.cfd shares the same name server configuration as other domains, such as hybra.finance, platinumsavings.com, consolenext.com, fwqen.buzz and appcleaningpro.com.
system01.cfd at least partially shares its name servers with other domains, for instance solverbase.com, ringsea.cn, dubaiplazas.com, azimutrek.com.ar and lwsos.com.
These name servers are commonly used alongside clay.ns.cloudflare.com and eugene.ns.cloudflare.com.
Host names with six IP numbers:
phil.ns.cloudflare.com points to: 2606:4700:58::adf5:3b89, 2803:f800:50::6ca2:c189, 2a06:98c1:50::ac40:2189, 108.162.193.137, 172.64.33.137 and 173.245.59.137.
ulla.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae9, 2803:f800:50::6ca2:c0e9, 2a06:98c1:50::ac40:20e9, 108.162.192.233, 172.64.32.233 and 173.245.58.233.