`nil-classroom.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:b9d3^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3bf2^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.59.242^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.211^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`earl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`earl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`earl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`earl.ns.cloudflare.com`
		A	108.162.193.161^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`earl.ns.cloudflare.com`
		A	172.64.33.161^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`earl.ns.cloudflare.com`
		A	173.245.59.161^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`earl.ns.cloudflare.com`
NS	`lina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3abb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0bb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20bb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lina.ns.cloudflare.com`
		A	108.162.192.187^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
		A	172.64.32.187^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
		A	173.245.58.187^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.59.242, 172.67.185.211
		IPv6	2606:4700:3036::ac43:b9d3, 2606:4700:3037::6815:3bf2
SOA	`earl.ns.cloudflare.com`dns@cloudflare.com serial=2398745603

`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=1774434762

Same first word

nil-classroom.com

DNS History

6 records (6 active, 0 former)

●NSearl.ns.cloudflare.com2026-03-07 → 2026-03-25 · 2 obs

● 2026-03-07 01:23:02
● 2026-03-25 10:52:56

●NSlina.ns.cloudflare.com2026-03-07 → 2026-03-25 · 2 obs

● 2026-03-07 01:23:02
● 2026-03-25 10:52:56

●A104.21.59.2422026-03-07 → 2026-03-25 · 2 obs

● 2026-03-07 01:23:02
● 2026-03-25 10:52:56

●A172.67.185.2112026-03-07 → 2026-03-25 · 2 obs

● 2026-03-07 01:23:02
● 2026-03-25 10:52:56

●A2606:4700:3036::ac43:b9d32026-03-07 → 2026-03-25 · 2 obs

● 2026-03-07 01:23:02
● 2026-03-25 10:52:56

●A2606:4700:3037::6815:3bf22026-03-07 → 2026-03-25 · 2 obs

● 2026-03-07 01:23:02
● 2026-03-25 10:52:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
nil-classroom.com	earl.ns.cloudflare.com, lina.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.187

NS records: earl.ns.cloudflare.com, lina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nil-classroom.com (unsigned zone)

⏱️ Timing

Total: 113ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.59.242, 172.67.185.211`
AAAA	2	`2606:4700:3036::ac43:b9d3, 2606:4700:3037::6815:3bf2`
NS	2	`earl.ns.cloudflare.com, lina.ns.cloudflare.com`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`earl.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

nil-classroom.com maps to four IP numbers: 2606:4700:3036::ac43:b9d3, 2606:4700:3037::6815:3bf2, 104.21.59.242 and 172.67.185.211.

Other host names, for instance urbanscan.net, technology2day.info, www.foodlab.com, www.shemalemiss.com and teieqaornrn.net share IP numbers with nil-classroom.com.

Name Servers

Two name servers earl.ns.cloudflare.com and lina.ns.cloudflare.com are delegated to nil-classroom.com.

nil-classroom.com uses the same name server configuration as other domains, such as cryptocurrenciestrading.com, chaojigames.com, casino-frank-24.com, dpsmathuraroad.net and zila-games.com.

nil-classroom.com at least partially shares name servers with other domains such as auctionet.com, codeclash.com, bhclo.com, gsuiteguide.jp and sikh.me.

These name servers are commonly used with ali.ns.cloudflare.com and chad.ns.cloudflare.com.

Host names with six IP numbers: Host name earl.ns.cloudflare.com points to 2606:4700:58::adf5:3ba1, 2803:f800:50::6ca2:c1a1, 2a06:98c1:50::ac40:21a1, 108.162.193.161, 172.64.33.161 and 173.245.59.161; host name lina.ns.cloudflare.com points to 2606:4700:50::adf5:3abb, 2803:f800:50::6ca2:c0bb, 2a06:98c1:50::ac40:20bb, 108.162.192.187, 172.64.32.187 and 173.245.58.187.

nil-classroom.com - robtex.com