macclassroom.com - dns.ninja

`macclassroom.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1415^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:bed9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.20.21^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.190.217^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dave.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dave.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dave.ns.cloudflare.com`
		A	108.162.193.109^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	172.64.33.109^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	173.245.59.109^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
NS	`tess.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tess.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tess.ns.cloudflare.com`
		A	108.162.192.227^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	172.64.32.227^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	173.245.58.227^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.20.21, 172.67.190.217
		IPv6 hints	2606:4700:3031::6815:1415, 2606:4700:3033::ac43:bed9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com
SOA	`dave.ns.cloudflare.com`dns@cloudflare.com serial=2407434912

`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=1783655642

⚠️ On DNS blocklist: tif

Same first word

macclassroom.com

DNS History

15 records (6 active, 9 former)

●NSdave.ns.cloudflare.com2026-02-17 → 2026-07-10 · 3 obs

○ 2017-04-20 14:50:50
● 2026-02-17 01:31:56
● 2026-07-10 03:56:20

○NSns01.cashparking.com2015-06-12 → 2016-09-19 · 4 obs

● 2015-06-12 03:21:12
● 2016-09-19 05:05:28
○ 2017-04-20 14:50:50
○ 2026-07-10 03:56:20

○NSns1.eftydns.com2017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-19 05:05:28
● 2017-04-20 14:50:50
○ 2026-02-17 01:31:56
○ 2026-07-10 03:56:20

○NSns2.eftydns.com2017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-19 05:05:28
● 2017-04-20 14:50:50
○ 2026-02-17 01:31:56
○ 2026-07-10 03:56:20

●NStess.ns.cloudflare.com2026-02-17 → 2026-07-10 · 3 obs

○ 2017-04-20 14:50:50
● 2026-02-17 01:31:56
● 2026-07-10 03:56:20

○MXmail.efty.com2017-04-20 → 2026-02-17 · 5 obs

○ 2016-09-19 05:05:28
● 2017-04-20 14:50:50
● 2026-02-17 01:31:56
○ 2026-02-18 20:00:16
○ 2026-07-10 03:56:20

○MXmailstore1.secureserver.net2015-06-12 → 2016-09-19 · 4 obs

● 2015-06-12 03:21:12
● 2016-09-19 05:05:28
○ 2017-04-20 14:50:50
○ 2026-07-10 03:56:20

○MXsmtp.secureserver.net2015-06-12 → 2016-09-19 · 4 obs

● 2015-06-12 03:21:12
● 2016-09-19 05:05:28
○ 2017-04-20 14:50:50
○ 2026-07-10 03:56:20

●A104.21.20.212026-02-17 → 2026-07-10 · 3 obs

○ 2017-04-20 14:50:50
● 2026-02-17 01:31:56
● 2026-07-10 03:56:20

○A119.81.170.182017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-19 05:05:28
● 2017-04-20 14:50:50
○ 2026-02-17 01:31:56
○ 2026-07-10 03:56:20

●A172.67.190.2172026-02-17 → 2026-07-10 · 3 obs

○ 2017-04-20 14:50:50
● 2026-02-17 01:31:56
● 2026-07-10 03:56:20

○A184.168.221.962015-06-12 → 2016-09-19 · 4 obs

● 2015-06-12 03:21:12
● 2016-09-19 05:05:28
○ 2017-04-20 14:50:50
○ 2026-07-10 03:56:20

○A2606:4700:3030::6815:14152026-02-17 → 2026-02-17 · 3 obs

○ 2017-04-20 14:50:50
● 2026-02-17 01:31:56
○ 2026-07-10 03:56:20

●A2606:4700:3031::6815:14152026-07-10 → 2026-07-10 · 2 obs

○ 2026-02-17 01:31:56
● 2026-07-10 03:56:20

●A2606:4700:3033::ac43:bed92026-02-17 → 2026-07-10 · 3 obs

○ 2017-04-20 14:50:50
● 2026-02-17 01:31:56
● 2026-07-10 03:56:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
macclassroom.com	dave.ns.cloudflare.com, tess.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.227

NS records: dave.ns.cloudflare.com, tess.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for macclassroom.com (unsigned zone)

⏱️ Timing

Total: 130ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.190.217, 104.21.20.21`
AAAA	2	`2606:4700:3033::ac43:bed9, 2606:4700:3031::6815:1415`
NS	2	`dave.ns.cloudflare.com, tess.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dave.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

macclassroom.com points to the four IP addresses 104.21.20.21, 172.67.190.217, 2606:4700:3031::6815:1415 and 2606:4700:3033::ac43:bed9.

cdn.bootytape.com, circad.co.uk, juliekaren.com and two other host names share IP numbers with macclassroom.com.

Name Servers

The NS records for macclassroom.com delegate to dave.ns.cloudflare.com and tess.ns.cloudflare.com.

macclassroom.com uses the same name servers as several other domains — among them alexkrleski.com, afakot.com, macrecoveryguide.com and two more.

At least some of macclassroom.com's name servers are shared with other domains, for example precisiontradinglabs.com, jamesrobertson.net, prozren.ru and two more.

It is common for these name servers to be used in conjunction with the name servers mimi.ns.cloudflare.com, dana.ns.cloudflare.com and thea.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

dave.ns.cloudflare.com maps to 108.162.193.109, 172.64.33.109, 173.245.59.109 and 3 additional IP addresses.

tess.ns.cloudflare.com maps to 108.162.192.227, 172.64.32.227, 173.245.58.227 and 3 additional IP addresses.