advancedclassroom.com - dns.ninja
advancedclassroom.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| 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.netnstld@verisign-grs.com serial=1785525007 | ||||||
Same first word
advancedclassroom.com |
DNS History
19 records (3 active, 16 former)
○NSdns1.name-services.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○NSdns2.name-services.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○NSdns3.name-services.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○NSdns4.name-services.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○NSdns5.name-services.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
●NSns.buydomains.com2026-02-15 → 2026-07-31 · 3 obs
● 2026-02-15 06:17:18
● 2026-07-31 19:23:28
●NSthis-domain-for-sale.com2026-02-15 → 2026-07-31 · 3 obs
● 2026-02-15 06:17:18
● 2026-07-31 19:23:28
○MXalt1.aspmx.l.google.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○MXalt2.aspmx.l.google.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○MXaspmx.l.google.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○MXaspmx2.googlemail.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○MXaspmx3.googlemail.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○MXaspmx4.googlemail.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○MXaspmx5.googlemail.com2008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
●A207.148.248.1432015-10-31 → 2026-07-31 · 3 obs
● 2015-10-31 04:50:26
● 2026-07-31 19:23:28
○A64.233.179.1212008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○A66.151.181.492015-06-26 → 2015-06-26 · 4 obs
● 2015-06-26 17:52:00
○ 2015-10-31 04:50:26
○ 2026-07-31 19:23:28
○A66.249.81.1212008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
○A72.14.207.1212008-11-13 → 2008-11-13 · 3 obs
○ 2015-06-26 17:52:00
○ 2026-07-31 19:23:28
🔍 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: 175ms | 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 number: 207.148.248.143.
Additional host names — mail.benelle.com, mongolianbarbecue.com, ns2.bigshopping.com and two others — share IP numbers with advancedclassroom.com.
Name Servers
Two name servers handle the delegation for advancedclassroom.com: this-domain-for-sale.com and ns.buydomains.com.
advancedclassroom.com shares its name server setup with other domains, including iislamic.com, academicsites.com, schoollistings.com and two others.
There is at least partial name server overlap between advancedclassroom.com and other domains — miow.net, modservice.com, technologynetwork.org and two more among them.
this-domain-for-sale.com directs to 52.20.26.87, as does ns.buydomains.com — both hostnames resolve to that one IP address.
this-domain-for-sale.com along with ns.buydomains.com each resolve to 52.20.26.87 IP addresses.