`mbclassroom.com`

DNSSEC

⚠️ Not signed

`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=1775450612

Same first word

mbclassroom.com

DNS History

5 records (0 active, 5 former)

○NSns1.dns-parking.com2026-02-25 → 2026-02-25 · 2 obs

● 2026-02-25 08:47:54
○ 2026-04-06 05:04:30

○NSns2.dns-parking.com2026-02-25 → 2026-02-25 · 2 obs

● 2026-02-25 08:47:54
○ 2026-04-06 05:04:30

○A217.21.94.1452026-02-25 → 2026-02-25 · 3 obs

○ 2016-06-18 16:32:42
● 2026-02-25 08:47:54
○ 2026-04-06 05:04:30

○A2a02:4780:11:884:0:35e7:7107:92026-02-25 → 2026-02-25 · 3 obs

○ 2016-06-18 16:32:42
● 2026-02-25 08:47:54
○ 2026-04-06 05:04:30

○A69.64.147.2422015-06-27 → 2016-02-25 · 4 obs

● 2015-06-27 22:18:32
● 2016-02-25 22:31:08
○ 2016-06-18 16:32:42
○ 2026-04-06 05:04:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-

✅ Authoritative Response

Server:192.54.112.30

NS records: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 137ms | Queries: -

📄 Records

Type	Count	Sample Data

mbclassroom.com - robtex.com

mbclassroom.com

com