certifiedtesters.com - dns.ninja
certifiedtesters.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 | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
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=1782849806 | ||||||
Same first word
certifiedtesters.com |
DNS History
6 records (3 active, 3 former)
●NSns.buydomains.com2015-11-03 → 2026-06-30 · 2 obs
● 2026-06-30 20:11:42
●NSthis-domain-for-sale.com2026-03-22 → 2026-06-30 · 3 obs
● 2026-03-22 14:36:06
● 2026-06-30 20:11:42
○A141.8.225.1242016-02-03 → 2016-05-06 · 5 obs
● 2016-02-03 11:14:04
● 2016-05-06 19:54:50
○ 2017-01-30 13:39:18
○ 2026-06-30 20:11:42
●A207.148.248.1432017-01-30 → 2026-06-30 · 3 obs
● 2017-01-30 13:39:18
● 2026-06-30 20:11:42
○A50.63.202.1042015-11-03 → 2015-11-03 · 4 obs
● 2015-11-03 22:38:52
○ 2016-02-03 11:14:04
○ 2026-06-30 20:11:42
○A66.151.181.492015-06-09 → 2015-06-09 · 3 obs
○ 2015-11-03 22:38:52
○ 2026-06-30 20:11:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net... | - |
| certifiedtesters.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 certifiedtesters.com (unsigned zone)
⏱️ Timing
Total: 110ms | 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
certifiedtesters.com directs to one IP number, which is 207.148.248.143.
Among the host names that share IP numbers with certifiedtesters.com are trinityro.com, gamesanctuary.com, happybusinessman.com and two others.
Name Servers
certifiedtesters.com uses two name servers for its delegation: this-domain-for-sale.com and ns.buydomains.com.
certifiedtesters.com has the same name server delegation as a number of other domains, such as gregphotography.com, reliablepowers.com, alwaysnorth.com and two more.
Some of certifiedtesters.com's name servers are also used by other domains, including continuingfitness.com, kinetictypography.com, chineseiseasy.com and tripdiscoveries.com.
These name servers often co-occur with the name servers ns2.buydomains.com.
this-domain-for-sale.com resolves to 52.20.26.87; ns.buydomains.com resolves to the same IP address, 52.20.26.87.
Both this-domain-for-sale.com and ns.buydomains.com resolve to 52.20.26.87 IP addresses each.