`classroomseatingchart.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:f56^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a1fc^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.86^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.252^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`marjory.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ac1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marjory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marjory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marjory.ns.cloudflare.com`
		A	108.162.192.193^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marjory.ns.cloudflare.com`
		A	172.64.32.193^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marjory.ns.cloudflare.com`
		A	173.245.58.193^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marjory.ns.cloudflare.com`
NS	`roan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`roan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`roan.ns.cloudflare.com`
		A	108.162.193.226^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	172.64.33.226^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	173.245.59.226^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁵⁵⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁵⁹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=uBHKDxT_fFZtG7G8Foczzhk028r1shylq5GXfBvLuME`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.15.86, 172.67.161.252
		IPv6	2606:4700:3035::6815:f56, 2606:4700:3035::ac43:a1fc
SOA	`marjory.ns.cloudflare.com`dns@cloudflare.com serial=2397950072

`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=1774669692

Same first word

classroomseatingchart.com

DNS History

14 records (9 active, 5 former)

●NSmarjory.ns.cloudflare.com2026-02-15 → 2026-03-28 · 3 obs

○ 2017-08-17 20:50:56
● 2026-02-15 09:24:26
● 2026-03-28 04:01:46

○NSns55.domaincontrol.com2015-10-23 → 2017-08-17 · 4 obs

● 2015-10-23 22:17:00
● 2017-08-17 20:50:56
○ 2026-02-15 09:24:26
○ 2026-03-28 04:01:46

○NSns56.domaincontrol.com2015-10-23 → 2017-08-17 · 4 obs

● 2015-10-23 22:17:00
● 2017-08-17 20:50:56
○ 2026-02-15 09:24:26
○ 2026-03-28 04:01:46

●NSroan.ns.cloudflare.com2026-02-15 → 2026-03-28 · 3 obs

○ 2017-08-17 20:50:56
● 2026-02-15 09:24:26
● 2026-03-28 04:01:46

○MXmailstore1.secureserver.net2015-10-23 → 2017-08-17 · 4 obs

● 2015-10-23 22:17:00
● 2017-08-17 20:50:56
○ 2026-02-15 09:24:26
○ 2026-03-28 04:01:46

●MXroute1.mx.cloudflare.net2026-02-15 → 2026-03-28 · 3 obs

○ 2017-08-17 20:50:56
● 2026-02-15 09:24:26
● 2026-03-28 04:01:46

●MXroute2.mx.cloudflare.net2026-02-15 → 2026-03-28 · 3 obs

○ 2017-08-17 20:50:56
● 2026-02-15 09:24:26
● 2026-03-28 04:01:46

●MXroute3.mx.cloudflare.net2026-02-15 → 2026-03-28 · 3 obs

○ 2017-08-17 20:50:56
● 2026-02-15 09:24:26
● 2026-03-28 04:01:46

○MXsmtp.secureserver.net2015-10-23 → 2017-08-17 · 4 obs

● 2015-10-23 22:17:00
● 2017-08-17 20:50:56
○ 2026-02-15 09:24:26
○ 2026-03-28 04:01:46

●A104.21.15.862026-02-15 → 2026-03-28 · 3 obs

○ 2017-08-17 20:50:56
● 2026-02-15 09:24:26
● 2026-03-28 04:01:46

●A172.67.161.2522026-02-15 → 2026-03-28 · 3 obs

○ 2017-08-17 20:50:56
● 2026-02-15 09:24:26
● 2026-03-28 04:01:46

●A2606:4700:3035::6815:f562026-02-15 → 2026-03-28 · 3 obs

○ 2017-08-17 20:50:56
● 2026-02-15 09:24:26
● 2026-03-28 04:01:46

●A2606:4700:3035::ac43:a1fc2026-02-15 → 2026-03-28 · 3 obs

○ 2017-08-17 20:50:56
● 2026-02-15 09:24:26
● 2026-03-28 04:01:46

○A50.63.202.322015-10-23 → 2017-08-17 · 4 obs

● 2015-10-23 22:17:00
● 2017-08-17 20:50:56
○ 2026-02-15 09:24:26
○ 2026-03-28 04:01:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
classroomseatingchart.com	roan.ns.cloudflare.com, marjory.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:172.64.32.193

NS records: roan.ns.cloudflare.com, marjory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classroomseatingchart.com (unsigned zone)

⏱️ Timing

Total: 162ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.15.86, 172.67.161.252`
AAAA	2	`2606:4700:3035::ac43:a1fc, 2606:4700:3035::6815:f56`
NS	2	`marjory.ns.cloudflare.com, roan.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 27), route1.mx.cloudflare.net (pri: 55)...`
TXT	2	`google-site-verification=uBHKDxT_fFZtG7G, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`marjory.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

classroomseatingchart.com points to four IP numbers: 2606:4700:3035::6815:f56, 2606:4700:3035::ac43:a1fc, 104.21.15.86 and 172.67.161.252.

Other host names, for instance in3x.org, lotto888.asia, 1webhost.xyz, expo14.com and boalk.com share IP numbers with classroomseatingchart.com.

Name Servers

Delegation for classroomseatingchart.com rests with two name servers, marjory.ns.cloudflare.com and roan.ns.cloudflare.com.

classroomseatingchart.com shares the same name server setup as other domains, including allanonweb.com, xs-power.co.uk, 7x24lib.com, meirn.org and scurry.io.

classroomseatingchart.com at least partially shares name servers with other domains, for instance dalconline.com, zenyr.com, jaya33.com, ur.cx and gonyoconstruction.com.

These name servers are commonly used with theo.ns.cloudflare.com and ray.ns.cloudflare.com.

Host names with six IP numbers: marjory.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac1, 2803:f800:50::6ca2:c0c1, 2a06:98c1:50::ac40:20c1, 108.162.192.193, 172.64.32.193 and 173.245.58.193. roan.ns.cloudflare.com points to: 2606:4700:58::adf5:3be2, 2803:f800:50::6ca2:c1e2, 2a06:98c1:50::ac40:21e2, 108.162.193.226, 172.64.33.226 and 173.245.59.226.

Mail Servers

classroomseatingchart.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

classroomseatingchart.com shares mail servers with other domains at least in part, for instance hotkeys.net, builder.cm, maxgcorp.com, iranhot.com and rackword.com.

Host names with six IP numbers:

route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

classroomseatingchart.com - robtex.com