`schoolsclosed.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:521a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:9772^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.26^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.151.114^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cass.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c051^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cass.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2051^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cass.ns.cloudflare.com`
		A	108.162.192.81^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	172.64.32.81^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	173.245.58.81^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
NS	`nitin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nitin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nitin.ns.cloudflare.com`
		A	108.162.193.215^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	172.64.33.215^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	173.245.59.215^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.82.26, 172.67.151.114
		IPv6	2606:4700:3030::6815:521a, 2606:4700:3032::ac43:9772
SOA	`cass.ns.cloudflare.com`dns@cloudflare.com serial=2397939735

`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=1773551953

Same first word

schoolsclosed.org

DNS History

11 records (6 active, 5 former)

●NScass.ns.cloudflare.com2026-03-19 → 2026-03-23 · 3 obs

○ 2017-07-10 14:16:16
● 2026-03-19 12:01:50
● 2026-03-23 11:37:20

●NSnitin.ns.cloudflare.com2026-03-19 → 2026-03-23 · 3 obs

○ 2017-07-10 14:16:16
● 2026-03-19 12:01:50
● 2026-03-23 11:37:20

○NSns1.sedoparking.com2015-06-17 → 2017-07-10 · 4 obs

● 2015-06-17 00:00:54
● 2017-07-10 14:16:16
○ 2026-03-19 12:01:50
○ 2026-03-23 11:37:20

○NSns2.sedoparking.com2015-06-17 → 2017-07-10 · 4 obs

● 2015-06-17 00:00:54
● 2017-07-10 14:16:16
○ 2026-03-19 12:01:50
○ 2026-03-23 11:37:20

○MXlocalhost2016-12-04 → 2017-07-10 · 5 obs

○ 2016-04-20 14:07:18
● 2016-12-04 14:57:56
● 2017-07-10 14:16:16
○ 2026-03-19 12:01:50
○ 2026-03-23 11:37:20

○MXmail.nickstel.com2015-06-17 → 2016-04-20 · 4 obs

● 2015-06-17 00:00:54
● 2016-04-20 14:07:18
○ 2016-12-04 14:57:56
○ 2026-03-23 11:37:20

●A104.21.82.262026-03-19 → 2026-03-23 · 3 obs

○ 2017-07-10 14:16:16
● 2026-03-19 12:01:50
● 2026-03-23 11:37:20

●A172.67.151.1142026-03-19 → 2026-03-23 · 3 obs

○ 2017-07-10 14:16:16
● 2026-03-19 12:01:50
● 2026-03-23 11:37:20

●A2606:4700:3030::6815:521a2026-03-19 → 2026-03-23 · 3 obs

○ 2017-07-10 14:16:16
● 2026-03-19 12:01:50
● 2026-03-23 11:37:20

●A2606:4700:3032::ac43:97722026-03-19 → 2026-03-23 · 3 obs

○ 2017-07-10 14:16:16
● 2026-03-19 12:01:50
● 2026-03-23 11:37:20

○A72.52.4.1192015-06-17 → 2017-07-10 · 4 obs

● 2015-06-17 00:00:54
● 2017-07-10 14:16:16
○ 2026-03-19 12:01:50
○ 2026-03-23 11:37:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
schoolsclosed.org	cass.ns.cloudflare.com, nitin.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.215

NS records: cass.ns.cloudflare.com, nitin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolsclosed.org (unsigned zone)

⏱️ Timing

Total: 389ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.82.26, 172.67.151.114`
AAAA	2	`2606:4700:3032::ac43:9772, 2606:4700:3030::6815:521a`
NS	2	`cass.ns.cloudflare.com, nitin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cass.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

Four IP numbers are pointed to by schoolsclosed.org: 2606:4700:3030::6815:521a, 2606:4700:3032::ac43:9772, 104.21.82.26 and 172.67.151.114.

other host names including kathysbreastfeedingnook.com, www.colortasarim.com, ytbeijia.com, nycjuvederm.com and kickear.com share IP numbers with schoolsclosed.org.

Name Servers

schoolsclosed.org is delegated to two name servers cass.ns.cloudflare.com and nitin.ns.cloudflare.com.

schoolsclosed.org shares the same name server setup as other domains, for instance instaemail.net, high-praises.org, buchinsky.net, lpqc.net and cocukrehberi.net.

schoolsclosed.org at least partially shares name servers with other domains, for instance anamariapintosoprano.com, backto1988.cn, abahills.org, radiolisten.de and tantichinese.com.

These name servers are commonly used alongside ulla.ns.cloudflare.com and terry.ns.cloudflare.com.

Host names with six IP numbers:

Host name cass.ns.cloudflare.com points to: 2606:4700:50::adf5:3a51, 2803:f800:50::6ca2:c051, 2a06:98c1:50::ac40:2051, 108.162.192.81, 172.64.32.81 and 173.245.58.81.

Host name nitin.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd7, 2803:f800:50::6ca2:c1d7, 2a06:98c1:50::ac40:21d7, 108.162.193.215, 172.64.33.215 and 173.245.59.215.

schoolsclosed.org - robtex.com