`science-school.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:139a^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:bacb^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.154^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.203^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cheryl.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c053^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cheryl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2053^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cheryl.ns.cloudflare.com`
		A	108.162.192.83^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	172.64.32.83^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	173.245.58.83^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
NS	`toby.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`toby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`toby.ns.cloudflare.com`
		A	108.162.193.239^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	172.64.33.239^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	173.245.59.239^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.154, 172.67.186.203
		IPv6 hints	2606:4700:3034::6815:139a, 2606:4700:3037::ac43:bacb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=183, name=cloudflare-ech.com
SOA	`cheryl.ns.cloudflare.com`dns@cloudflare.com serial=2403313200

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1778534578

Same first word

science-school.org

science-school.com

Similar names

les-econochics.fr

les-econochics.com

school-science.ru

DNS History

10 records (6 active, 4 former)

●NScheryl.ns.cloudflare.com2026-05-06 → 2026-05-11 · 3 obs

○ 2018-05-11 09:17:36
● 2026-05-06 00:12:20
● 2026-05-11 21:37:26

●NStoby.ns.cloudflare.com2026-05-06 → 2026-05-11 · 3 obs

○ 2018-05-11 09:17:36
● 2026-05-06 00:12:20
● 2026-05-11 21:37:26

○NSuns01.lolipop.jp2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 09:17:36
○ 2026-05-06 00:12:20
○ 2026-05-11 21:37:26

○NSuns02.lolipop.jp2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 09:17:36
○ 2026-05-06 00:12:20
○ 2026-05-11 21:37:26

○MXmx01.lolipop.jp2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 09:17:36
○ 2026-05-06 00:12:20
○ 2026-05-11 21:37:26

●A104.21.19.1542026-05-06 → 2026-05-11 · 3 obs

○ 2018-05-11 09:17:36
● 2026-05-06 00:12:20
● 2026-05-11 21:37:26

○A157.7.107.792018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 09:17:36
○ 2026-05-06 00:12:20
○ 2026-05-11 21:37:26

●A172.67.186.2032026-05-06 → 2026-05-11 · 3 obs

○ 2018-05-11 09:17:36
● 2026-05-06 00:12:20
● 2026-05-11 21:37:26

●A2606:4700:3034::6815:139a2026-05-06 → 2026-05-11 · 3 obs

○ 2018-05-11 09:17:36
● 2026-05-06 00:12:20
● 2026-05-11 21:37:26

●A2606:4700:3037::ac43:bacb2026-05-06 → 2026-05-11 · 3 obs

○ 2018-05-11 09:17:36
● 2026-05-06 00:12:20
● 2026-05-11 21:37:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
science-school.org	toby.ns.cloudflare.com, cheryl.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.239

NS records: toby.ns.cloudflare.com, cheryl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for science-school.org (unsigned zone)

⏱️ Timing

Total: 758ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.186.203, 104.21.19.154`
AAAA	2	`2606:4700:3034::6815:139a, 2606:4700:3037::ac43:bacb`
NS	2	`cheryl.ns.cloudflare.com, toby.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cheryl.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

science-school.org maps to four IP numbers: 2606:4700:3034::6815:139a, 2606:4700:3037::ac43:bacb, 104.21.19.154 and 172.67.186.203.

Other host names, for instance www.nqpy.com.cn, carawin77ada.com, nqpy.com.cn, ruangbisnis.co.id and smartinsert.net share IP numbers with science-school.org.

Name Servers

Two name servers cheryl.ns.cloudflare.com and toby.ns.cloudflare.com handle delegation for science-school.org.

science-school.org uses the same name server setup as other domains, for example zioraimpact-solution.com, streamlinedink.com, umznin.pl, bibliospot.com and isthisabearmarket.com.

science-school.org partially shares name servers with other domains; examples include tsv-mannheim-rheinau.de, praxisconsulting.click, olbpos.com, levos-cascading.top and antakya-haber.com.tr.

These name servers are commonly used with ollie.ns.cloudflare.com, logan.ns.cloudflare.com and phil.ns.cloudflare.com.

Host names with six IP numbers: cheryl.ns.cloudflare.com points to: 2606:4700:50::adf5:3a53, 2803:f800:50::6ca2:c053, 2a06:98c1:50::ac40:2053, 108.162.192.83, 172.64.32.83 and 173.245.58.83; toby.ns.cloudflare.com points to: 2606:4700:58::adf5:3bef, 2803:f800:50::6ca2:c1ef, 2a06:98c1:50::ac40:21ef, 108.162.193.239, 172.64.33.239 and 173.245.59.239.

science-school.org - robtex.com