`sblock.pro`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3056^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:b707^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.48.86^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.7^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anita.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2652^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c252^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2252^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anita.ns.cloudflare.com`
		A	108.162.194.82^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anita.ns.cloudflare.com`
		A	162.159.38.82^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anita.ns.cloudflare.com`
		A	172.64.34.82^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anita.ns.cloudflare.com`
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`
TXT	`google-site-verification=WqiANxT5eT1OplncLMXd3ybiMP-rDQl87j7riNnALrE`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.48.86, 172.67.183.7
		IPv6	2606:4700:3031::6815:3056, 2606:4700:3033::ac43:b707
SOA	`anita.ns.cloudflare.com`dns@cloudflare.com serial=2399602737

`pro`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.pro.afilias-nst.info` ⭐
	NS	`a2.pro.afilias-nst.info`
	NS	`b0.pro.afilias-nst.org`
	NS	`b2.pro.afilias-nst.org`
	NS	`c0.pro.afilias-nst.info`
	NS	`d0.pro.afilias-nst.org`
	SOA	`a0.pro.afilias-nst.info`hostmaster@donuts.email serial=1771273965

📈 Tranco rank: #171,532

Subdomains

addon.sblock.pro

Same first word

sblock.us

sblock.net

sblock.s3.amazonaws.com

sblock.co.uk

sblock.com

sblock.ch

sblock.se

sblock.org

sblock.pro

sblock.ru

sblock.it

Similar names

blocks.kz

blocks.diy

csblok.de

blocks.ai

blocks.io

blocks.co.il

cbkols.org

blocks.org

blocks.im

csblok.sk

blocks.pt

blocks.email

blocks.com.ar

bslock.com

blocks.run

blocks.be

blocks.ch

blocks.eu.com

blocks.pub

blocks.biz

blocks.inc

blocks.com

blocks.in

csblok.cz

blokcs.com

blocks.nl

blocks.glass

blocks.net

blocks.com.my

blocks.ca

lockbs.com

blocks.app

blocks.one

blocks.dk

blocks.rocks

blocks.pl

blocks.de

blocks.eu

DNS History

11 records (6 active, 5 former)

●NSanita.ns.cloudflare.com2026-03-17 → 2026-03-22 · 2 obs

● 2026-03-17 01:48:20
● 2026-03-22 02:39:28

●NSphil.ns.cloudflare.com2026-03-17 → 2026-03-22 · 2 obs

● 2026-03-17 01:48:20
● 2026-03-22 02:39:28

●A104.21.48.862026-03-21 → 2026-03-22 · 3 obs

○ 2026-03-17 01:48:20
● 2026-03-21 19:05:20
● 2026-03-22 02:39:28

●A172.67.183.72026-03-21 → 2026-03-22 · 3 obs

○ 2026-03-17 01:48:20
● 2026-03-21 19:05:20
● 2026-03-22 02:39:28

○A188.114.96.02026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 01:48:20
○ 2026-03-21 19:05:20
○ 2026-03-22 02:39:28

○A188.114.97.02026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 01:48:20
○ 2026-03-21 19:05:20
○ 2026-03-22 02:39:28

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-17 01:48:20
● 2026-03-21 19:05:20
○ 2026-03-21 19:44:38
○ 2026-03-22 02:39:28

●A2606:4700:3031::6815:30562026-03-21 → 2026-03-22 · 3 obs

○ 2026-03-21 19:05:20
● 2026-03-21 19:44:38
● 2026-03-22 02:39:28

●A2606:4700:3033::ac43:b7072026-03-21 → 2026-03-22 · 3 obs

○ 2026-03-21 19:05:20
● 2026-03-21 19:44:38
● 2026-03-22 02:39:28

○A2a06:98c1:3120::2026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 01:48:20
○ 2026-03-21 19:05:20
○ 2026-03-22 02:39:28

○A2a06:98c1:3121::2026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 01:48:20
○ 2026-03-21 19:05:20
○ 2026-03-22 02:39:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pro	a0.pro.afilias-nst.info, b0.pro.afilias-nst.org, c0.pro.afilias-nst.info, b2.pro.afilias-nst.org...	12 records
sblock.pro	phil.ns.cloudflare.com, anita.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.33.137

NS records: phil.ns.cloudflare.com, anita.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sblock.pro (unsigned zone)

⏱️ Timing

Total: 503ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.48.86, 172.67.183.7`
AAAA	2	`2606:4700:3033::ac43:b707, 2606:4700:3031::6815:3056`
NS	2	`anita.ns.cloudflare.com, phil.ns.cloudflare.com`
TXT	1	`google-site-verification=WqiANxT5eT1Opln`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`anita.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (d0.pro.afilias-nst.org, c0.pro.afilias-nst.info, b2.pro.afilias-nst.org...)

Analysis

Hierarchy

addon.sblock.pro is a child of sblock.pro.

IP Addresses

sblock.pro refers to four IP numbers: 2606:4700:3031::6815:3056, 2606:4700:3033::ac43:b707, 104.21.48.86 and 172.67.183.7.

Other host names, for instance nan-bang.com, strague.at, mainn4ga303.com, admin.corradossiimpiantisrl.it and botaxispace.com share IP numbers with sblock.pro.

Name Servers

sblock.pro's delegation uses two name servers: anita.ns.cloudflare.com and phil.ns.cloudflare.com.

sblock.pro uses the same name server setup as other domains, such as gamamba.com, sr-waltrop.de, markt-spiegel-online.de, editcookie.com and sweetcheeksbaking.com.

sblock.pro at least partially shares name servers with other domains, including pinkod.net, jobnep.com, ergzn.com, vermontcountrystore.mobi and blitz.com.ua.

These name servers are commonly used with jeremy.ns.cloudflare.com, mike.ns.cloudflare.com and ryan.ns.cloudflare.com.

Host names with six IP numbers:

anita.ns.cloudflare.com points to 2606:4700:50::a29f:2652, 2803:f800:50::6ca2:c252, 2a06:98c1:50::ac40:2252, 108.162.194.82, 162.159.38.82 and 172.64.34.82.

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.

sblock.pro - robtex.com

sblock.pro

pro

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`sblock.pro`

`pro`