class53.com - dns.ninja
class53.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 68.66.226.120🇺🇸 A2HOSTING68.66.224.0/20 A2 Hosting, Inc. | ||||||
| PTR | az1-sr100.supercp.com | ||||||
| NS | ns1.supercp.com ⭐ | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.supercp.com | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns3.supercp.com | ||||||
| A | 76.223.26.245🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns4.supercp.com | ||||||
| A | 99.83.147.209🇺🇸 Amazon99.83.144.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| MX | mail.class53.com ⭐ | ||||||
| A | 68.66.226.120🇺🇸 A2HOSTING68.66.224.0/20 A2 Hosting, Inc. | ||||||
| PTR | az1-sr100.supercp.com | ||||||
| TXT | v=spf1 +a +mx +ip4:68.66.226.120 include:spf.a2hosting.com ~all | ||||||
| SOA | ns1.supercp.comroot@az1-sr100.supercp.com 2026-06-21 #1 | ||||||
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=1786476214 | ||||||
Subdomains
mail.class53.com |
Same first word
class53.com |
DNS History
11 records (6 active, 5 former)
●NSns1.supercp.com2026-08-11 → 2026-08-11 · 3 obs
● 2026-08-11 14:40:40
● 2026-08-11 19:39:08
○NSns10.dotnetsql.com2008-03-08 → 2008-03-08 · 3 obs
○ 2015-10-12 03:30:08
○ 2026-08-11 19:39:08
●NSns2.supercp.com2026-08-11 → 2026-08-11 · 3 obs
● 2026-08-11 14:40:40
● 2026-08-11 19:39:08
●NSns3.supercp.com2026-08-11 → 2026-08-11 · 3 obs
● 2026-08-11 14:40:40
● 2026-08-11 19:39:08
●NSns4.supercp.com2026-08-11 → 2026-08-11 · 3 obs
● 2026-08-11 14:40:40
● 2026-08-11 19:39:08
○NSns9.dotnetsql.com2008-03-08 → 2008-03-08 · 3 obs
○ 2015-10-12 03:30:08
○ 2026-08-11 19:39:08
●MXmail.class53.com2008-03-08 → 2026-08-11 · 5 obs
○ 2015-10-12 03:30:08
○ 2017-05-20 14:20:50
● 2026-08-11 14:40:40
● 2026-08-11 19:39:08
○MXmail2.class53.com2008-03-08 → 2008-03-08 · 3 obs
○ 2015-10-12 03:30:08
○ 2026-08-11 19:39:08
○MXmail3.class53.com2008-03-08 → 2008-03-08 · 3 obs
○ 2015-10-12 03:30:08
○ 2026-08-11 19:39:08
●A68.66.226.1202026-08-11 → 2026-08-11 · 3 obs
● 2026-08-11 14:40:40
● 2026-08-11 19:39:08
○A70.85.123.2422008-03-08 → 2008-03-08 · 3 obs
○ 2015-10-12 03:30:08
○ 2026-08-11 19:39:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| class53.com | ns1.supercp.com, ns2.supercp.com, ns3.supercp.com, ns4.supercp.com | 4 records |
✅ Authoritative Response
Server:99.83.147.209
NS records: ns1.supercp.com, ns2.supercp.com, ns3.supercp.com, ns4.supercp.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for class53.com (unsigned zone)
⏱️ Timing
Total: 175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 68.66.226.120 |
| NS | 4 | ns4.supercp.com, ns1.supercp.com... |
| MX | 1 | mail.class53.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:68.66.226.120 include |
| SOA | 1 | ns1.supercp.com root.az1-sr100.supercp.c |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.supercp.com, ns2.supercp.com, ns3.supercp.com...)
Analysis
Hierarchy
class53.com is the parent zone for mail.class53.com.
IP Addresses
class53.com resolves to just one IP address, 68.66.226.120.
Two other host names, along with cpcalendars.ultralease.com.mx, rtacabinetsonline.ca and gannon.ca, also share IP numbers with class53.com.
Name Servers
The NS records for class53.com point to four name servers: ns1.supercp.com, ns2.supercp.com, ns3.supercp.com and ns4.supercp.com.
class53.com partially shares its NS delegation with several other domains, including wheelspin.co.nz, map.jo, goodnewsar.com and two others.
In DNS configurations, these name servers often share authority with ns3.a2hosting.com, ns1.a2hosting.com, ns2.a2hosting.com and 7 other name servers.
The hosts ns1.supercp.com, ns2.supercp.com, ns3.supercp.com and ns4.supercp.com all resolve to exactly one IP address each: 13.248.158.180, 75.2.118.134, 76.223.26.245 and 99.83.147.209 respectively.
Mail Servers
The sole mail server for class53.com is mail.class53.com.
mail.class53.com directs to just one IP number, 68.66.226.120.