`blocsw.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:3c74^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c422^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.60.116^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.34^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aurora.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:266e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aurora.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aurora.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aurora.ns.cloudflare.com`
		A	108.162.194.110^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aurora.ns.cloudflare.com`
		A	162.159.38.110^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aurora.ns.cloudflare.com`
		A	172.64.34.110^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aurora.ns.cloudflare.com`
NS	`sergi.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c44^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sergi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c344^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sergi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2344^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sergi.ns.cloudflare.com`
		A	108.162.195.68^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sergi.ns.cloudflare.com`
		A	162.159.44.68^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sergi.ns.cloudflare.com`
		A	172.64.35.68^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sergi.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.60.116, 172.67.196.34
		IPv6	2606:4700:3035::6815:3c74, 2606:4700:3037::ac43:c422
SOA	`aurora.ns.cloudflare.com`dns@cloudflare.com serial=2399386294

`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=1771291435

⚠️ On DNS blocklist: tif

Same first word

blocsw.com

Similar names

owlbcs.co.uk

owlbcs.com

lowcbs.com

DNS History

10 records (6 active, 4 former)

●NSaurora.ns.cloudflare.com2026-02-26 → 2026-03-22 · 2 obs

● 2026-02-26 00:01:20
● 2026-03-22 18:59:26

●NSsergi.ns.cloudflare.com2026-02-26 → 2026-03-22 · 2 obs

● 2026-02-26 00:01:20
● 2026-03-22 18:59:26

●A104.21.60.1162026-03-11 → 2026-03-22 · 13 obs

○ 2026-02-26 00:01:20
● 2026-03-11 01:29:34
○ 2026-03-11 03:14:54
○ 2026-03-11 04:55:32
● 2026-03-11 14:00:54
○ 2026-03-12 04:03:22
● 2026-03-12 04:52:42
○ 2026-03-13 01:47:42
○ 2026-03-21 02:57:30
● 2026-03-21 11:41:00
○ 2026-03-21 16:17:34
○ 2026-03-22 06:27:54
● 2026-03-22 18:59:26

●A172.67.196.342026-03-11 → 2026-03-22 · 13 obs

○A188.114.96.02026-02-26 → 2026-03-22 · 13 obs

● 2026-02-26 00:01:20
○ 2026-03-11 01:29:34
● 2026-03-11 03:14:54
● 2026-03-11 04:55:32
○ 2026-03-11 14:00:54
● 2026-03-12 04:03:22
○ 2026-03-12 04:52:42
● 2026-03-13 01:47:42
● 2026-03-21 02:57:30
○ 2026-03-21 11:41:00
● 2026-03-21 16:17:34
● 2026-03-22 06:27:54
○ 2026-03-22 18:59:26

○A188.114.97.02026-02-26 → 2026-03-22 · 13 obs

●A2606:4700:3035::6815:3c742026-03-11 → 2026-03-22 · 12 obs

○ 2026-02-26 00:01:20
● 2026-03-11 01:29:34
○ 2026-03-11 03:14:54
○ 2026-03-11 04:55:32
● 2026-03-11 14:00:54
○ 2026-03-12 04:03:22
○ 2026-03-21 02:11:14
● 2026-03-21 02:57:30
● 2026-03-21 11:41:00
○ 2026-03-21 16:17:34
○ 2026-03-22 06:27:54
● 2026-03-22 18:59:26

●A2606:4700:3037::ac43:c4222026-03-11 → 2026-03-22 · 12 obs

○A2a06:98c1:3120::2026-02-26 → 2026-03-22 · 12 obs

● 2026-02-26 00:01:20
○ 2026-03-11 01:29:34
● 2026-03-11 03:14:54
● 2026-03-11 04:55:32
○ 2026-03-11 14:00:54
● 2026-03-12 04:03:22
● 2026-03-21 02:11:14
○ 2026-03-21 02:57:30
○ 2026-03-21 11:41:00
● 2026-03-21 16:17:34
● 2026-03-22 06:27:54
○ 2026-03-22 18:59:26

○A2a06:98c1:3121::2026-02-26 → 2026-03-22 · 12 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
blocsw.com	aurora.ns.cloudflare.com, sergi.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.195.68

NS records: aurora.ns.cloudflare.com, sergi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blocsw.com (unsigned zone)

⏱️ Timing

Total: 299ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.60.116, 172.67.196.34`
AAAA	2	`2606:4700:3035::6815:3c74, 2606:4700:3037::ac43:c422`
NS	2	`aurora.ns.cloudflare.com, sergi.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aurora.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (aurora.ns.cloudflare.com, aurora.ns.cloudflare.com, aurora.ns.cloudflare.com...)

Analysis

IP Addresses

blocsw.com refers to four IP numbers: 2606:4700:3035::6815:3c74, 2606:4700:3037::ac43:c422, 104.21.60.116 and 172.67.196.34.

Other host names, for instance xbele.cn, ns2.mom(0x706f726e)pics.net, pantarhei-advisors.or.at, zilan.se and batsom.cn share IP numbers with blocsw.com.

Name Servers

blocsw.com's delegation uses two name servers: aurora.ns.cloudflare.com and sergi.ns.cloudflare.com.

blocsw.com uses the same name server setup as other domains, such as 223.178.209.in-addr.arpa, bluckel.com, mutv.me, specialstrong.com and faibleforfood.de.

blocsw.com at least partially shares name servers with other domains, including veemincochee.pages.dev, danetech.it, detroitchildrenschoir.org, mobilix.dk and 0530fuke.com.

These name servers are commonly used together with the name servers rustam.ns.cloudflare.com, abby.ns.cloudflare.com, jen.ns.cloudflare.com and monroe.ns.cloudflare.com.

Host names with six IP numbers:

aurora.ns.cloudflare.com points to 2606:4700:50::a29f:266e, 2803:f800:50::6ca2:c26e, 2a06:98c1:50::ac40:226e, 108.162.194.110, 162.159.38.110 and 172.64.34.110.

sergi.ns.cloudflare.com points to 2606:4700:58::a29f:2c44, 2803:f800:50::6ca2:c344, 2a06:98c1:50::ac40:2344, 108.162.195.68, 162.159.44.68 and 172.64.35.68.

blocsw.com - robtex.com

blocsw.com

com