howcpuworks.com - robtex.com
howcpuworks.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:91d5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:1c66🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.28.102Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.145.213🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | drew.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3ba0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | drew.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1a0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | drew.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21a0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | drew.ns.cloudflare.com | ||||||
| A | 108.162.193.160🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | drew.ns.cloudflare.com | ||||||
| A | 172.64.33.160🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | drew.ns.cloudflare.com | ||||||
| A | 173.245.59.160🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | drew.ns.cloudflare.com | ||||||
| NS | kate.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a7c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kate.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c07c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kate.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:207c🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kate.ns.cloudflare.com | ||||||
| A | 108.162.192.124🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kate.ns.cloudflare.com | ||||||
| A | 172.64.32.124🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kate.ns.cloudflare.com | ||||||
| A | 173.245.58.124🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kate.ns.cloudflare.com | ||||||
| TXT | google-site-verification=X9zYiH0-JC9mifd65GoZlMdLyLR3JOxcQ65lSjpXJOE | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.28.102, 172.67.145.213 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:91d5, 2606:4700:3037::6815:1c66 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com | ||||||
| SOA | drew.ns.cloudflare.comdns@cloudflare.com serial=2402570532 | ||||||
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=1778627796 | ||||||
Same first word
howcpuworks.com |
DNS History
10 records (6 active, 4 former)
●NSdrew.ns.cloudflare.com2026-04-14 → 2026-05-12 · 2 obs
● 2026-05-12 23:31:30
●NSkate.ns.cloudflare.com2026-04-14 → 2026-05-12 · 2 obs
● 2026-05-12 23:31:30
●A104.21.28.1022026-04-14 → 2026-05-12 · 4 obs
● 2026-05-08 02:09:38
○ 2026-05-08 04:41:52
● 2026-05-12 23:31:30
●A172.67.145.2132026-04-14 → 2026-05-12 · 4 obs
● 2026-05-08 02:09:38
○ 2026-05-08 04:41:52
● 2026-05-12 23:31:30
○A188.114.96.02026-05-08 → 2026-05-08 · 3 obs
● 2026-05-08 04:41:52
○ 2026-05-12 23:31:30
○A188.114.97.02026-05-08 → 2026-05-08 · 3 obs
● 2026-05-08 04:41:52
○ 2026-05-12 23:31:30
●A2606:4700:3035::ac43:91d52026-04-14 → 2026-05-12 · 4 obs
● 2026-05-08 02:09:38
○ 2026-05-08 04:41:52
● 2026-05-12 23:31:30
●A2606:4700:3037::6815:1c662026-04-14 → 2026-05-12 · 4 obs
● 2026-05-08 02:09:38
○ 2026-05-08 04:41:52
● 2026-05-12 23:31:30
○A2a06:98c1:3120::2026-05-08 → 2026-05-08 · 3 obs
● 2026-05-08 04:41:52
○ 2026-05-12 23:31:30
○A2a06:98c1:3121::2026-05-08 → 2026-05-08 · 3 obs
● 2026-05-08 04:41:52
○ 2026-05-12 23:31:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net... | - |
| howcpuworks.com | kate.ns.cloudflare.com, drew.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.160
NS records: kate.ns.cloudflare.com, drew.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for howcpuworks.com (unsigned zone)
⏱️ Timing
Total: 190ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.145.213, 104.21.28.102 |
| AAAA | 2 | 2606:4700:3035::ac43:91d5, 2606:4700:3037::6815:1c66 |
| NS | 2 | drew.ns.cloudflare.com, kate.ns.cloudflare.com |
| TXT | 1 | google-site-verification=X9zYiH0-JC9mifd |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | drew.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (kate.ns.cloudflare.com, kate.ns.cloudflare.com, kate.ns.cloudflare.com...)
Analysis
IP Addresses
howcpuworks.com resolves to four IP numbers: 2606:4700:3035::ac43:91d5, 2606:4700:3037::6815:1c66, 104.21.28.102 and 172.67.145.213.
other host names for instance mail.chicagobankruptcyguy.com, cermin303pl.com, pj900.net, yuxintaoci.com and szgriffin.com share IP numbers with howcpuworks.com.
Name Servers
howcpuworks.com is delegated to two name servers: drew.ns.cloudflare.com and kate.ns.cloudflare.com.
howcpuworks.com shares the same name server setup as other domains, for example adaptfinance.co.uk, codigosdediamantes.com, bramstead.com, networks-id.de and hacecalor.es.
howcpuworks.com at least partially shares name servers with other domains, for instance mlrose.com, optimizasyon.com.tr, ecmplomberie.com, yuctw.com and responsivenator.com.
Host names with six IP numbers:
drew.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba0, 2803:f800:50::6ca2:c1a0, 2a06:98c1:50::ac40:21a0, 108.162.193.160, 172.64.33.160 and 173.245.59.160; kate.ns.cloudflare.com points to: 2606:4700:50::adf5:3a7c, 2803:f800:50::6ca2:c07c, 2a06:98c1:50::ac40:207c, 108.162.192.124, 172.64.32.124 and 173.245.58.124.