🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`openschooldata.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3311^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:d9f6^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.17^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.246^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`matteo.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matteo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`matteo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`matteo.ns.cloudflare.com`
		A	108.162.195.224^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matteo.ns.cloudflare.com`
		A	162.159.44.224^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matteo.ns.cloudflare.com`
		A	172.64.35.224^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matteo.ns.cloudflare.com`
NS	`stephane.ns.cloudflare.com`
		A	2606:4700:50::a29f:2670^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c270^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stephane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2270^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stephane.ns.cloudflare.com`
		A	108.162.194.112^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	162.159.38.112^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	172.64.34.112^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
TXT	`google-site-verification=j62v9KWRPfgspWfcIGHIEfTMskJffvNxnzdwkC3KAXQ`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.17, 172.67.217.246
		IPv6 hints	2606:4700:3031::6815:3311, 2606:4700:3032::ac43:d9f6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=111, name=cloudflare-ech.com
SOA	`matteo.ns.cloudflare.com`dns@cloudflare.com serial=2412057758

`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=1786961890

Same first word

openschooldata.org

DNS History

14 records (6 active, 8 former)

●NSmatteo.ns.cloudflare.com2026-06-30 → 2026-08-17 · 3 obs

○ 2018-05-19 02:44:40
● 2026-06-30 01:41:30
● 2026-08-17 10:49:22

○NSns-1219.awsdns-24.org2015-06-13 → 2018-05-19 · 4 obs

● 2015-06-13 02:32:06
● 2018-05-19 02:44:40
○ 2026-06-30 01:41:30
○ 2026-08-17 10:49:22

○NSns-1627.awsdns-11.co.uk2015-06-13 → 2018-05-19 · 4 obs

● 2015-06-13 02:32:06
● 2018-05-19 02:44:40
○ 2026-06-30 01:41:30
○ 2026-08-17 10:49:22

○NSns-327.awsdns-40.com2015-06-13 → 2018-05-19 · 4 obs

● 2015-06-13 02:32:06
● 2018-05-19 02:44:40
○ 2026-06-30 01:41:30
○ 2026-08-17 10:49:22

○NSns-966.awsdns-56.net2015-06-13 → 2018-05-19 · 4 obs

● 2015-06-13 02:32:06
● 2018-05-19 02:44:40
○ 2026-06-30 01:41:30
○ 2026-08-17 10:49:22

●NSstephane.ns.cloudflare.com2026-06-30 → 2026-08-17 · 3 obs

○ 2018-05-19 02:44:40
● 2026-06-30 01:41:30
● 2026-08-17 10:49:22

●A104.21.51.172026-06-30 → 2026-08-17 · 3 obs

○ 2018-05-19 02:44:40
● 2026-06-30 01:41:30
● 2026-08-17 10:49:22

○A107.23.109.1992015-06-13 → 2015-11-14 · 4 obs

● 2015-06-13 02:32:06
● 2015-11-14 08:06:42
○ 2016-03-10 10:34:42
○ 2026-08-17 10:49:22

●A172.67.217.2462026-06-30 → 2026-08-17 · 3 obs

○ 2018-05-19 02:44:40
● 2026-06-30 01:41:30
● 2026-08-17 10:49:22

○A2606:4700:3030::ac43:d9f62026-06-30 → 2026-06-30 · 4 obs

○ 2018-05-19 02:44:40
● 2026-06-30 01:41:30
○ 2026-07-18 15:29:20
○ 2026-08-17 10:49:22

●A2606:4700:3031::6815:33112026-06-30 → 2026-08-17 · 3 obs

○ 2018-05-19 02:44:40
● 2026-06-30 01:41:30
● 2026-08-17 10:49:22

●A2606:4700:3032::ac43:d9f62026-07-18 → 2026-08-17 · 3 obs

○ 2026-06-30 01:41:30
● 2026-07-18 15:29:20
● 2026-08-17 10:49:22

○A54.210.227.912018-05-19 → 2018-05-19 · 4 obs

○ 2016-03-10 10:34:42
● 2018-05-19 02:44:40
○ 2026-06-30 01:41:30
○ 2026-08-17 10:49:22

○A54.88.153.1592015-06-13 → 2018-05-19 · 6 obs

● 2015-06-13 02:32:06
○ 2015-11-14 08:06:42
● 2016-03-10 10:34:42
● 2018-05-19 02:44:40
○ 2026-06-30 01:41:30
○ 2026-08-17 10:49:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
openschooldata.org	matteo.ns.cloudflare.com, stephane.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.224

NS records: matteo.ns.cloudflare.com, stephane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openschooldata.org (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.51.17, 172.67.217.246`
AAAA	2	`2606:4700:3032::ac43:d9f6, 2606:4700:3031::6815:3311`
NS	2	`matteo.ns.cloudflare.com, stephane.ns.cloudflare.com`
TXT	1	`google-site-verification=j62v9KWRPfgspWf`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`matteo.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

openschooldata.org resolves to four IP addresses: 104.21.51.17, 172.67.217.246, 2606:4700:3031::6815:3311 and 2606:4700:3032::ac43:d9f6.

Two other host names, along with novapoker333.com, www.pintdev.com and telemetry.phoneleftintesla.com, also share IP numbers with openschooldata.org.

Name Servers

DNS delegation for openschooldata.org points to two name servers: matteo.ns.cloudflare.com and stephane.ns.cloudflare.com.

openschooldata.org shares its NS records with other domains, for example qualigridstandardsmanagement.space, nin.nl, herseninstituut.nl and two others.

openschooldata.org has at least partial name server overlap with other domains, such as yua.it, apptonlyshowroom.com, deltame.com and two others.

It is common to find these name servers paired with the name servers ali.ns.cloudflare.com, simon.ns.cloudflare.com, mckinley.ns.cloudflare.com and apollo.ns.cloudflare.com.

DNS names with 6 IP addresses:

matteo.ns.cloudflare.com has IP addresses 108.162.195.224, 162.159.44.224 and 172.64.35.224, plus 3 other.

stephane.ns.cloudflare.com has IP addresses 108.162.194.112, 162.159.38.112 and 172.64.34.112, plus 3 other.

openschooldata.org - robtex.com