codehandbook.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`codehandbook.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:53ba^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:b4d8^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.186^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.180.216^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chin.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c054^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2054^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chin.ns.cloudflare.com`
		A	108.162.192.84^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
		A	172.64.32.84^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
		A	173.245.58.84^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
NS	`felipe.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c374^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`felipe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2374^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`felipe.ns.cloudflare.com`
		A	108.162.195.116^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	162.159.44.116^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	172.64.35.116^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=4pC1Xj5WGCnYtlA2`
TXT	`brevo-code:555be405678ffcee44c4d66198ffe643`
TXT	`google-site-verification=QhW0FuXTsUVpvk6PtSpIXhD5QV43DheyBf0q9dbmh8A`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.186, 172.67.180.216
		IPv6 hints	2606:4700:3033::6815:53ba, 2606:4700:3035::ac43:b4d8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=233, name=cloudflare-ech.com
SOA	`chin.ns.cloudflare.com`dns@cloudflare.com serial=2412361020

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

codehandbook.com

codehandbook.dev

Previous names

Next names

DNS History

8 records (8 active, 0 former)

●NSchin.ns.cloudflare.com2026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 03:06:54
● 2026-08-28 00:16:34

●NSfelipe.ns.cloudflare.com2026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 03:06:54
● 2026-08-28 00:16:34

●MXmx01.mail.icloud.com2026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 03:06:54
● 2026-08-28 00:16:34

●MXmx02.mail.icloud.com2026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 03:06:54
● 2026-08-28 00:16:34

●A104.21.83.1862026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 03:06:54
● 2026-08-28 00:16:34

●A172.67.180.2162026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 03:06:54
● 2026-08-28 00:16:34

●A2606:4700:3033::6815:53ba2026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 03:06:54
● 2026-08-28 00:16:34

●A2606:4700:3035::ac43:b4d82026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 03:06:54
● 2026-08-28 00:16:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
codehandbook.dev	chin.ns.cloudflare.com, felipe.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.84

NS records: chin.ns.cloudflare.com, felipe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codehandbook.dev (unsigned zone)

⏱️ Timing

Total: 621ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.83.186, 172.67.180.216`
AAAA	2	`2606:4700:3033::6815:53ba, 2606:4700:3035::ac43:b4d8`
NS	2	`chin.ns.cloudflare.com, felipe.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	4	`apple-domain=4pC1Xj5WGCnYtlA2, brevo-code:555be405678ffcee44c4d66198ffe...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chin.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

codehandbook.dev has four IP addresses: 104.21.83.186, 172.67.180.216, 2606:4700:3033::6815:53ba and 2606:4700:3035::ac43:b4d8.

Additional host names — jgxybj.com, matbet9825.icu, mailgrowthx.com and two others — share IP numbers with codehandbook.dev.

Name Servers

The NS records for codehandbook.dev delegate to chin.ns.cloudflare.com and felipe.ns.cloudflare.com.

codehandbook.dev shares its name server setup with other domains, including algomaster.edu.vn, parhai.pk, cinghe.cc and two others.

codehandbook.dev has at least partial name server overlap with other domains, such as 52tz.cn, civilsocietyforum.eu, hartmindandfood.co.nz and two others.

It is common to find these name servers paired with the name servers kara.ns.cloudflare.com.

Host names with 6 IP numbers:

chin.ns.cloudflare.com maps to 108.162.192.84, 172.64.32.84, 173.245.58.84 and 3 additional IP addresses.

felipe.ns.cloudflare.com maps to 108.162.195.116, 162.159.44.116, 172.64.35.116 and 3 additional IP addresses.

Mail Servers

codehandbook.dev has two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

codehandbook.dev shares the same mail server setup as other domains, including tangibles-book.com, topstuck.at, twoplayer.net and two others.

codehandbook.dev has mail servers in common with other domains — for example kingfisher-cottage.com and arthurrudy.com.

Host names with 6 IP numbers:

mx01.mail.icloud.com maps to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 additional IP addresses.

mx02.mail.icloud.com maps to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 additional IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.42.251.62 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.56.9.31 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.152.5 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.154.33 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.155.25 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.156.30 IP addresses.