`blacksci.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9a0d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:43f^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.63^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.13^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`keira.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ce^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keira.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ce^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`keira.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ce^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`keira.ns.cloudflare.com`
		A	108.162.194.206^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keira.ns.cloudflare.com`
		A	162.159.38.206^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keira.ns.cloudflare.com`
		A	172.64.34.206^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keira.ns.cloudflare.com`
NS	`ram.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ram.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ram.ns.cloudflare.com`
		A	108.162.193.225^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	172.64.33.225^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	173.245.59.225^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.63, 172.67.154.13
		IPv6 hints	2606:4700:3030::ac43:9a0d, 2606:4700:3037::6815:43f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOA	`keira.ns.cloudflare.com`dns@cloudflare.com serial=2399439966

`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=1776132117

Same first word

blacksci.co.uk

blacksci.com

Similar names

blackcsi.com

absclick.com

DNS History

17 records (6 active, 11 former)

○NSbri-ns01.wiley.com2017-06-04 → 2017-06-04 · 4 obs

○ 2016-01-17 07:04:00
● 2017-06-04 11:33:20
○ 2026-04-09 00:13:32
○ 2026-04-14 02:13:38

○NSdns1.blackwellpublishing.com2015-06-19 → 2016-01-17 · 4 obs

● 2015-06-19 05:08:20
● 2016-01-17 07:04:00
○ 2017-06-04 11:33:20
○ 2026-04-14 02:13:38

○NSjws-edcp.wiley.com2017-06-04 → 2017-06-04 · 4 obs

○ 2016-01-17 07:04:00
● 2017-06-04 11:33:20
○ 2026-04-09 00:13:32
○ 2026-04-14 02:13:38

●NSkeira.ns.cloudflare.com2026-04-09 → 2026-04-14 · 3 obs

○ 2017-06-04 11:33:20
● 2026-04-09 00:13:32
● 2026-04-14 02:13:38

○NSns.wiley.co.uk2017-06-04 → 2017-06-04 · 4 obs

○ 2016-01-17 07:04:00
● 2017-06-04 11:33:20
○ 2026-04-09 00:13:32
○ 2026-04-14 02:13:38

○NSns.wileypub.com2017-06-04 → 2017-06-04 · 4 obs

○ 2016-01-17 07:04:00
● 2017-06-04 11:33:20
○ 2026-04-09 00:13:32
○ 2026-04-14 02:13:38

○NSns0-b.dns.pipex.net2015-06-19 → 2016-01-17 · 4 obs

● 2015-06-19 05:08:20
● 2016-01-17 07:04:00
○ 2017-06-04 11:33:20
○ 2026-04-14 02:13:38

○NSns1-b.dns.pipex.net2015-06-19 → 2016-01-17 · 4 obs

● 2015-06-19 05:08:20
● 2016-01-17 07:04:00
○ 2017-06-04 11:33:20
○ 2026-04-14 02:13:38

○NSns2.wiley.co.uk2017-06-04 → 2017-06-04 · 4 obs

○ 2016-01-17 07:04:00
● 2017-06-04 11:33:20
○ 2026-04-09 00:13:32
○ 2026-04-14 02:13:38

●NSram.ns.cloudflare.com2026-04-09 → 2026-04-14 · 3 obs

○ 2017-06-04 11:33:20
● 2026-04-09 00:13:32
● 2026-04-14 02:13:38

○NSsg-ns01.wiley.com2017-06-04 → 2017-06-04 · 4 obs

○ 2016-01-17 07:04:00
● 2017-06-04 11:33:20
○ 2026-04-09 00:13:32
○ 2026-04-14 02:13:38

○NSwww3.blacksci.co.uk2015-06-19 → 2016-01-17 · 4 obs

● 2015-06-19 05:08:20
● 2016-01-17 07:04:00
○ 2017-06-04 11:33:20
○ 2026-04-14 02:13:38

○MXmailhost1.blacksci.com2015-06-19 → 2017-06-04 · 4 obs

● 2015-06-19 05:08:20
● 2017-06-04 11:33:20
○ 2026-04-09 00:13:32
○ 2026-04-14 02:13:38

●A104.21.4.632026-04-09 → 2026-04-14 · 2 obs

● 2026-04-09 00:13:32
● 2026-04-14 02:13:38

●A172.67.154.132026-04-09 → 2026-04-14 · 2 obs

● 2026-04-09 00:13:32
● 2026-04-14 02:13:38

●A2606:4700:3030::ac43:9a0d2026-04-09 → 2026-04-14 · 2 obs

● 2026-04-09 00:13:32
● 2026-04-14 02:13:38

●A2606:4700:3037::6815:43f2026-04-09 → 2026-04-14 · 2 obs

● 2026-04-09 00:13:32
● 2026-04-14 02:13:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...	-
blacksci.com	ram.ns.cloudflare.com, keira.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.225

NS records: ram.ns.cloudflare.com, keira.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blacksci.com (unsigned zone)

⏱️ Timing

Total: 125ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.154.13, 104.21.4.63`
AAAA	2	`2606:4700:3030::ac43:9a0d, 2606:4700:3037::6815:43f`
NS	2	`keira.ns.cloudflare.com, ram.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`keira.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

blacksci.com points to four IP numbers: 2606:4700:3030::ac43:9a0d, 2606:4700:3037::6815:43f, 104.21.4.63 and 172.67.154.13.

Other host names including 1haolunwen.com, app.123leopremium.net, (0x706f726e)tube.buzz, cyclechicrepublic.com and danielagustianus.com share IP numbers with blacksci.com.

Name Servers

blacksci.com's delegation uses two name servers, keira.ns.cloudflare.com and ram.ns.cloudflare.com.

blacksci.com shares the same name server setup as other domains, for example historyofarchitecturecompanions.com, geographycompass.com, sociologyencyclopedia.com, blackwell-economics.com and redlinknetwork.net.

blacksci.com at least partially shares name servers with other domains, including xn--debcunx.co.il, belotika.com, driveceladon.com, techjustice.net and ppatour.com.

These name servers are commonly used with carmelo.ns.cloudflare.com and david.ns.cloudflare.com.

Host names with six IP numbers:

keira.ns.cloudflare.com points to: 2606:4700:50::a29f:26ce, 2803:f800:50::6ca2:c2ce, 2a06:98c1:50::ac40:22ce, 108.162.194.206, 162.159.38.206 and 172.64.34.206.

ram.ns.cloudflare.com points to: 2606:4700:58::adf5:3be1, 2803:f800:50::6ca2:c1e1, 2a06:98c1:50::ac40:21e1, 108.162.193.225, 172.64.33.225 and 173.245.59.225.

blacksci.com - robtex.com

blacksci.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`blacksci.com`

`com`