classdoer.com - dns.ninja
classdoer.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.53.70.84🇺🇸 Amazon52.52.0.0/15 EC2 SFO prefix | ||||||
| PTR | ec2-52-53-70-84.us-west-1.compute.amazonaws.com | ||||||
| NS | ns-733.awsdns-27.net ⭐ | ||||||
| A | 2600:9000:5302:dd00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-733.awsdns-27.net | ||||||
| A | 205.251.194.221🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-733.awsdns-27.net | ||||||
| NS | ns-1515.awsdns-61.org | ||||||
| A | 2600:9000:5305:eb00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1515.awsdns-61.org | ||||||
| A | 205.251.197.235🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1515.awsdns-61.org | ||||||
| NS | ns-2038.awsdns-62.co.uk | ||||||
| A | 2600:9000:5307:f600::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-2038.awsdns-62.co.uk | ||||||
| A | 205.251.199.246🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-2038.awsdns-62.co.uk | ||||||
| NS | ns-343.awsdns-42.com | ||||||
| A | 2600:9000:5301:5700::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-343.awsdns-42.com | ||||||
| A | 205.251.193.87🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-343.awsdns-42.com | ||||||
| SOA | ns-733.awsdns-27.netawsdns-hostmaster@amazon.com serial=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=1783853442 | ||||||
Same first word
classdoer.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-1515.awsdns-61.org2026-04-15 → 2026-07-12 · 2 obs
● 2026-07-12 10:54:22
●NSns-2038.awsdns-62.co.uk2026-04-15 → 2026-07-12 · 2 obs
● 2026-07-12 10:54:22
●NSns-343.awsdns-42.com2026-04-15 → 2026-07-12 · 2 obs
● 2026-07-12 10:54:22
●NSns-733.awsdns-27.net2026-04-15 → 2026-07-12 · 2 obs
● 2026-07-12 10:54:22
●A52.53.70.842026-04-15 → 2026-07-12 · 2 obs
● 2026-07-12 10:54:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net... | - |
| classdoer.com | ns-733.awsdns-27.net, ns-343.awsdns-42.com, ns-2038.awsdns-62.co.uk, ns-1515.awsdns-61.org | 2 records |
✅ Authoritative Response
Server:205.251.199.246
NS records: ns-733.awsdns-27.net, ns-343.awsdns-42.com, ns-2038.awsdns-62.co.uk, ns-1515.awsdns-61.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classdoer.com (unsigned zone)
⏱️ Timing
Total: 283ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.53.70.84 |
| NS | 4 | ns-1515.awsdns-61.org, ns-2038.awsdns-62.co.uk... |
| SOA | 1 | ns-733.awsdns-27.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-343.awsdns-42.com, ns-343.awsdns-42.com)
Analysis
IP Addresses
classdoer.com has exactly one IP address — 52.53.70.84.
Other hosts including www.globalassignmentservices.com, ec2-52-53-70-84.us-west-1.compute.amazonaws.com and globalassignmentservices.com share IP addresses with classdoer.com.
Name Servers
Four name servers handle the delegation for classdoer.com: ns-343.awsdns-42.com, ns-733.awsdns-27.net, ns-1515.awsdns-61.org and ns-2038.awsdns-62.co.uk.
At least some of classdoer.com's name servers are shared with other domains, for example kcnsgp.net, landmarkosisales.com, d2itrk1o7ws7ij.cloudfront.net and two more.
It is common for these name servers to be used in conjunction with the name servers ns-300.awsdns-37.com, ns-837.awsdns-40.net and ns-1589.awsdns-06.co.uk.
Four hostnames, each resolving to a pair of IP addresses: ns-343.awsdns-42.com directs to 205.251.193.87 and 2600:9000:5301:5700::1; ns-733.awsdns-27.net directs to 205.251.194.221 and 2600:9000:5302:dd00::1; ns-1515.awsdns-61.org directs to 205.251.197.235 and 2600:9000:5305:eb00::1; ns-2038.awsdns-62.co.uk directs to 205.251.199.246 and 2600:9000:5307:f600::1.