`sciencebookmark.space`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:5ad1^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a167^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.209^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.103^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a65^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c065^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2065^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amy.ns.cloudflare.com`
		A	108.162.192.101^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	172.64.32.101^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	173.245.58.101^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
NS	`dylan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cbb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dylan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3bb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dylan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23bb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dylan.ns.cloudflare.com`
		A	108.162.195.187^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dylan.ns.cloudflare.com`
		A	162.159.44.187^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dylan.ns.cloudflare.com`
		A	172.64.35.187^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dylan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.90.209, 172.67.161.103
		IPv6	2606:4700:3035::6815:5ad1, 2606:4700:3036::ac43:a167
SOA	`amy.ns.cloudflare.com`dns@cloudflare.com serial=2399420725

`space`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1774634926

rank #176549 globally
rank #103 in the tld
📈 Tranco rank: #574,330

Same first word

sciencebookmark.space

sciencebookmark.top

DNS History

8 records (6 active, 2 former)

●NSamy.ns.cloudflare.com2026-02-27 → 2026-03-27 · 2 obs

● 2026-02-27 02:19:40
● 2026-03-27 18:30:02

●NSdylan.ns.cloudflare.com2026-02-27 → 2026-03-27 · 2 obs

● 2026-02-27 02:19:40
● 2026-03-27 18:30:02

●A104.21.90.2092026-02-27 → 2026-03-27 · 5 obs

● 2026-02-27 02:19:40
● 2026-03-06 16:08:12
○ 2026-03-06 17:24:56
● 2026-03-13 18:05:52
● 2026-03-27 18:30:02

○A172.64.80.12026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 16:08:12
● 2026-03-06 17:24:56
○ 2026-03-13 18:05:52
○ 2026-03-27 18:30:02

●A172.67.161.1032026-02-27 → 2026-03-27 · 5 obs

● 2026-02-27 02:19:40
● 2026-03-06 16:08:12
○ 2026-03-06 17:24:56
● 2026-03-13 18:05:52
● 2026-03-27 18:30:02

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-03 → 2026-03-06 · 7 obs

○ 2026-03-01 03:02:34
● 2026-03-03 12:19:02
○ 2026-03-04 11:56:56
○ 2026-03-06 16:08:12
● 2026-03-06 17:24:56
○ 2026-03-13 18:05:52
○ 2026-03-27 18:30:02

●A2606:4700:3035::6815:5ad12026-02-27 → 2026-03-27 · 8 obs

● 2026-02-27 02:19:40
● 2026-03-01 03:02:34
○ 2026-03-03 12:19:02
● 2026-03-04 11:56:56
● 2026-03-06 16:08:12
○ 2026-03-06 17:24:56
● 2026-03-13 18:05:52
● 2026-03-27 18:30:02

●A2606:4700:3036::ac43:a1672026-02-27 → 2026-03-27 · 8 obs

● 2026-02-27 02:19:40
● 2026-03-01 03:02:34
○ 2026-03-03 12:19:02
● 2026-03-04 11:56:56
● 2026-03-06 16:08:12
○ 2026-03-06 17:24:56
● 2026-03-13 18:05:52
● 2026-03-27 18:30:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
space	ns10.trs-dns.org, ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.info	-
sciencebookmark.space	amy.ns.cloudflare.com, dylan.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.187

NS records: amy.ns.cloudflare.com, dylan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sciencebookmark.space (unsigned zone)

⏱️ Timing

Total: 338ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.209, 172.67.161.103`
AAAA	2	`2606:4700:3036::ac43:a167, 2606:4700:3035::6815:5ad1`
NS	2	`amy.ns.cloudflare.com, dylan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amy.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

sciencebookmark.space maps to four IP numbers: 2606:4700:3035::6815:5ad1, 2606:4700:3036::ac43:a167, 104.21.90.209 and 172.67.161.103.

Other host names, for instance derosi.com, mail.b-payment.com, hdmoviepark.info, www.rujllgvjdedrf.site and kyujin-portal.jp share IP numbers with sciencebookmark.space.

Name Servers

Two name servers amy.ns.cloudflare.com and dylan.ns.cloudflare.com handle delegation for sciencebookmark.space.

sciencebookmark.space uses the same name server setup as other domains, for example topbookmarks.xyz, sciencebookmark.top, eestec.ro, gpsites.win and underarmourshoes.us.com.

sciencebookmark.space partially shares name servers with other domains; examples include boleh888.org, dksip.com, theaquariumwiki.com, maggiofiorentino.com and hostingsharedbox.com.

these name servers are commonly used with the name servers byron.ns.cloudflare.com.

Host names with six IP numbers: amy.ns.cloudflare.com points to: 2606:4700:50::adf5:3a65, 2803:f800:50::6ca2:c065, 2a06:98c1:50::ac40:2065, 108.162.192.101, 172.64.32.101 and 173.245.58.101; dylan.ns.cloudflare.com points to: 2606:4700:58::a29f:2cbb, 2803:f800:50::6ca2:c3bb, 2a06:98c1:50::ac40:23bb, 108.162.195.187, 162.159.44.187 and 172.64.35.187.

sciencebookmark.space - robtex.com