howcpuworks.com - dns.ninja

`howcpuworks.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1c66^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:91d5^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.102^{Cloudflare104.21.16.0/20 , 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	2606:4700:3030::6815:1c66, 2606:4700:3030::ac43:91d5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=106, name=cloudflare-ech.com
SOA	`drew.ns.cloudflare.com`dns@cloudflare.com serial=2405259267

`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.net`nstld@verisign-grs.com serial=1782369220

Same first word

howcpuworks.com

DNS History

12 records (6 active, 6 former)

●NSdrew.ns.cloudflare.com2026-04-14 → 2026-06-25 · 2 obs

● 2026-04-14 04:25:46
● 2026-06-25 07:00:16

●NSkate.ns.cloudflare.com2026-04-14 → 2026-06-25 · 2 obs

● 2026-04-14 04:25:46
● 2026-06-25 07:00:16

●A104.21.28.1022026-04-14 → 2026-06-25 · 7 obs

● 2026-04-14 04:25:46
● 2026-05-08 02:09:38
○ 2026-05-08 04:41:52
● 2026-05-12 23:31:30
● 2026-05-25 04:52:54
○ 2026-05-26 19:12:54
● 2026-06-25 07:00:16

●A172.67.145.2132026-04-14 → 2026-06-25 · 7 obs

● 2026-04-14 04:25:46
● 2026-05-08 02:09:38
○ 2026-05-08 04:41:52
● 2026-05-12 23:31:30
● 2026-05-25 04:52:54
○ 2026-05-26 19:12:54
● 2026-06-25 07:00:16

○A188.114.96.02026-05-08 → 2026-05-26 · 6 obs

○ 2026-05-08 02:09:38
● 2026-05-08 04:41:52
○ 2026-05-12 23:31:30
○ 2026-05-25 04:52:54
● 2026-05-26 19:12:54
○ 2026-06-25 07:00:16

○A188.114.97.02026-05-08 → 2026-05-26 · 6 obs

○ 2026-05-08 02:09:38
● 2026-05-08 04:41:52
○ 2026-05-12 23:31:30
○ 2026-05-25 04:52:54
● 2026-05-26 19:12:54
○ 2026-06-25 07:00:16

●A2606:4700:3030::6815:1c662026-06-25 → 2026-06-25 · 2 obs

○ 2026-05-26 19:12:54
● 2026-06-25 07:00:16

●A2606:4700:3030::ac43:91d52026-06-25 → 2026-06-25 · 2 obs

○ 2026-05-26 19:12:54
● 2026-06-25 07:00:16

○A2606:4700:3035::ac43:91d52026-04-14 → 2026-05-25 · 7 obs

● 2026-04-14 04:25:46
● 2026-05-08 02:09:38
○ 2026-05-08 04:41:52
● 2026-05-12 23:31:30
● 2026-05-25 04:52:54
○ 2026-05-26 19:12:54
○ 2026-06-25 07:00:16

○A2606:4700:3037::6815:1c662026-04-14 → 2026-05-25 · 7 obs

● 2026-04-14 04:25:46
● 2026-05-08 02:09:38
○ 2026-05-08 04:41:52
● 2026-05-12 23:31:30
● 2026-05-25 04:52:54
○ 2026-05-26 19:12:54
○ 2026-06-25 07:00:16

○A2a06:98c1:3120::2026-05-08 → 2026-05-26 · 6 obs

○ 2026-05-08 02:09:38
● 2026-05-08 04:41:52
○ 2026-05-12 23:31:30
○ 2026-05-25 04:52:54
● 2026-05-26 19:12:54
○ 2026-06-25 07:00:16

○A2a06:98c1:3121::2026-05-08 → 2026-05-26 · 6 obs

○ 2026-05-08 02:09:38
● 2026-05-08 04:41:52
○ 2026-05-12 23:31:30
○ 2026-05-25 04:52:54
● 2026-05-26 19:12:54
○ 2026-06-25 07:00:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
howcpuworks.com	kate.ns.cloudflare.com, drew.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.124

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: 164ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.145.213, 104.21.28.102`
AAAA	2	`2606:4700:3030::ac43:91d5, 2606:4700:3030::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 addresses: 104.21.28.102, 172.67.145.213, 2606:4700:3030::6815:1c66 and 2606:4700:3030::ac43:91d5.

mail.chicagobankruptcyguy.com, cermin303pl.com, pj900.net and two other host names share IP numbers with howcpuworks.com.

Name Servers

howcpuworks.com is served by two delegated name servers, drew.ns.cloudflare.com and kate.ns.cloudflare.com.

howcpuworks.com uses the same name servers as several other domains — among them adaptfinance.co.uk, codigosdediamantes.com, bramstead.com and two more.

howcpuworks.com shares at least some of its name servers with other domains, including mlrose.com, optimizasyon.com.tr, ecmplomberie.com and two others.

Hostnames that resolve to 6 IP addresses:

drew.ns.cloudflare.com carries IP addresses 108.162.193.160, 172.64.33.160 and 173.245.59.160, with 3 other addresses beyond those.

kate.ns.cloudflare.com carries IP addresses 108.162.192.124, 172.64.32.124 and 173.245.58.124, with 3 other addresses beyond those.