`advancedclassroom.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
		PTR	`ip-207-148-248-143.defastlink.net`
NS	`ns.buydomains.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`
NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`

`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=1771291435

WOT: UNKNOWN (70/100)

Same first word

advancedclassroom.com

DNS History

19 records (3 active, 16 former)

○NSdns1.name-services.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○NSdns2.name-services.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○NSdns3.name-services.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○NSdns4.name-services.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○NSdns5.name-services.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

●NSns.buydomains.com2026-02-15 → 2026-03-23 · 3 obs

○ 2015-06-26 17:52:00
● 2026-02-15 06:17:18
● 2026-03-23 10:04:36

●NSthis-domain-for-sale.com2026-02-15 → 2026-03-23 · 3 obs

○ 2015-06-26 17:52:00
● 2026-02-15 06:17:18
● 2026-03-23 10:04:36

○MXalt1.aspmx.l.google.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○MXalt2.aspmx.l.google.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○MXaspmx.l.google.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○MXaspmx2.googlemail.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○MXaspmx3.googlemail.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○MXaspmx4.googlemail.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○MXaspmx5.googlemail.com2008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

●A207.148.248.1432015-10-31 → 2026-03-23 · 3 obs

○ 2008-11-13 14:47:58
● 2015-10-31 04:50:26
● 2026-03-23 10:04:36

○A64.233.179.1212008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○A66.151.181.492015-06-26 → 2015-06-26 · 4 obs

○ 2008-11-13 14:47:58
● 2015-06-26 17:52:00
○ 2015-10-31 04:50:26
○ 2026-03-23 10:04:36

○A66.249.81.1212008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

○A72.14.207.1212008-11-13 → 2008-11-13 · 3 obs

● 2008-11-13 14:47:58
○ 2015-06-26 17:52:00
○ 2026-03-23 10:04:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
advancedclassroom.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for advancedclassroom.com (unsigned zone)

⏱️ Timing

Total: 3045ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

advancedclassroom.com points to a single IP address: 207.148.248.143.

Other host names such as mongolianbarbecue.com, ns2.bigshopping.com, customport.com, perpis.com and phoenixportraits.com share IP numbers with advancedclassroom.com.

Name Servers

advancedclassroom.com is delegated to two name servers: this-domain-for-sale.com and ns.buydomains.com.

advancedclassroom.com uses the same name server setup as other domains, including academicsites.com, lmra.net, shareemployment.com, digitaldelirium.com and artificialdreams.com.

At least part of the name servers for advancedclassroom.com are shared with other domains, for instance miow.net, modservice.com, ekki.org, internetrockstars.com and rpsl.net.

These name servers are commonly used alongside the name servers ns2.buydomains.com.

Host names sharing a single IP: this-domain-for-sale.com and ns.buydomains.com point to 52.20.26.87.

advancedclassroom.com - robtex.com