🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`docblock.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:432c^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d42e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.44^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.46^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carl.ns.cloudflare.com`
		A	108.162.193.106^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	172.64.33.106^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	173.245.59.106^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
NS	`linda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3afa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`linda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`linda.ns.cloudflare.com`
		A	108.162.192.250^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	172.64.32.250^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	173.245.58.250^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
TXT	`google-site-verification=5eUkdqJccIvxA_T-4EWy_9-M6MSQxiIPSDyxwVSKOVs`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.44, 172.67.212.46
		IPv6 hints	2606:4700:3031::6815:432c, 2606:4700:3037::ac43:d42e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=105, name=cloudflare-ech.com
SOA	`carl.ns.cloudflare.com`dns@cloudflare.com serial=2419358147

`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

docblock.net

docblock.org

docblock.com.ph

docblock.dev

docblock.xyz

docblock.synology.me

docblock.com

Similar names

blockdoc.ai

blockdoc.ca

cbdclook.xyz

blockcod.com

blockdoc.in

codblock.online

codblock.com

blockdoc.org

codblock.dev

blockdoc.de

codblock.site

clobdock.xyz

blockdoc.com

blockdoc.us

Previous names

Next names

docblocks.dev

docboss.dev

docbot.dev

docbriefcase.dev

docbuilder.dev

docc.dev

docch.dev

docchi.dev

docclaw.dev

doccle.dev

docco.dev

doccompass.dev

doccos.dev

doccraft.dev

doccy.dev

doccycle.dev

docday.dev

docdb.dev

docdeck.dev

docdex.dev

DNS History

10 records (6 active, 4 former)

●NScarl.ns.cloudflare.com2026-10-23 → 2026-11-09 · 2 obs

● 2026-10-23 06:28:12
● 2026-11-09 19:43:54

●NSlinda.ns.cloudflare.com2026-10-23 → 2026-11-09 · 2 obs

● 2026-10-23 06:28:12
● 2026-11-09 19:43:54

●A104.21.67.442026-10-24 → 2026-11-09 · 7 obs

○ 2026-10-23 06:28:12
● 2026-10-24 00:46:04
○ 2026-10-29 22:15:48
● 2026-10-31 06:35:32
○ 2026-11-06 22:47:44
● 2026-11-09 19:36:22
● 2026-11-09 19:43:54

●A172.67.212.462026-10-24 → 2026-11-09 · 7 obs

○ 2026-10-23 06:28:12
● 2026-10-24 00:46:04
○ 2026-10-29 22:15:48
● 2026-10-31 06:35:32
○ 2026-11-06 22:47:44
● 2026-11-09 19:36:22
● 2026-11-09 19:43:54

○A188.114.96.02026-10-23 → 2026-11-06 · 7 obs

● 2026-10-23 06:28:12
○ 2026-10-24 00:46:04
● 2026-10-29 22:15:48
○ 2026-10-31 06:35:32
● 2026-11-06 22:47:44
○ 2026-11-09 19:36:22
○ 2026-11-09 19:43:54

○A188.114.97.02026-10-23 → 2026-11-06 · 7 obs

● 2026-10-23 06:28:12
○ 2026-10-24 00:46:04
● 2026-10-29 22:15:48
○ 2026-10-31 06:35:32
● 2026-11-06 22:47:44
○ 2026-11-09 19:36:22
○ 2026-11-09 19:43:54

●A2606:4700:3031::6815:432c2026-10-24 → 2026-11-09 · 7 obs

○ 2026-10-23 06:28:12
● 2026-10-24 00:46:04
○ 2026-10-29 22:15:48
● 2026-10-31 06:35:32
○ 2026-11-06 22:47:44
● 2026-11-09 19:36:22
● 2026-11-09 19:43:54

●A2606:4700:3037::ac43:d42e2026-10-24 → 2026-11-09 · 7 obs

○ 2026-10-23 06:28:12
● 2026-10-24 00:46:04
○ 2026-10-29 22:15:48
● 2026-10-31 06:35:32
○ 2026-11-06 22:47:44
● 2026-11-09 19:36:22
● 2026-11-09 19:43:54

○A2a06:98c1:3120::2026-10-23 → 2026-11-06 · 7 obs

● 2026-10-23 06:28:12
○ 2026-10-24 00:46:04
● 2026-10-29 22:15:48
○ 2026-10-31 06:35:32
● 2026-11-06 22:47:44
○ 2026-11-09 19:36:22
○ 2026-11-09 19:43:54

○A2a06:98c1:3121::2026-10-23 → 2026-11-06 · 7 obs

● 2026-10-23 06:28:12
○ 2026-10-24 00:46:04
● 2026-10-29 22:15:48
○ 2026-10-31 06:35:32
● 2026-11-06 22:47:44
○ 2026-11-09 19:36:22
○ 2026-11-09 19:43:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
docblock.dev	carl.ns.cloudflare.com, linda.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.106

NS records: carl.ns.cloudflare.com, linda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 391ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.67.44, 172.67.212.46`
AAAA	2	`2606:4700:3031::6815:432c, 2606:4700:3037::ac43:d42e`
NS	2	`carl.ns.cloudflare.com, linda.ns.cloudflare.com`
TXT	1	`google-site-verification=5eUkdqJccIvxA_T`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carl.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

docblock.dev points to the four IP addresses 104.21.67.44, 172.67.212.46, 2606:4700:3031::6815:432c and 2606:4700:3037::ac43:d42e.

studyitcerts.com, onebet-taka.com, mkta.eu plus two other host names have IP numbers in common with docblock.dev.

Name Servers

Two name servers handle the delegation for docblock.dev: carl.ns.cloudflare.com and linda.ns.cloudflare.com.

The name server configuration of docblock.dev is shared with other domains, for instance chudu-berkal.ru, psr21443933.workers.dev, archie-be4.workers.dev and two others.

The name servers of docblock.dev overlap at least partially with those of other domains — among them eohz5hifp3.workers.dev, saragkjhgf.workers.dev, santharivix.com and two more.

The name servers patrick.ns.cloudflare.com, pam.ns.cloudflare.com and adi.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

carl.ns.cloudflare.com resolves to 108.162.193.106, 172.64.33.106 and 173.245.59.106 among others, with 3 other IP addresses in total.

linda.ns.cloudflare.com resolves to 108.162.192.250, 172.64.32.250 and 173.245.58.250 among others, with 3 other IP addresses in total.

docblock.dev - robtex.com

docblock.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`docblock.dev`

`dev`