masteringwindows.com - dns.ninja
masteringwindows.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=1785429697 | ||||||
Same first word
masteringwindows.com |
Similar names
DNS History
4 records (3 active, 1 former)
●NSns.buydomains.com2026-02-18 → 2026-07-30 · 2 obs
● 2026-07-30 16:48:56
●NSthis-domain-for-sale.com2026-02-18 → 2026-07-30 · 2 obs
● 2026-07-30 16:48:56
●A207.148.248.1432015-10-22 → 2026-07-30 · 3 obs
● 2015-10-22 08:04:40
● 2026-07-30 16:48:56
○A66.151.181.492015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-22 08:04:40
○ 2026-07-30 16:48:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net... | - |
| masteringwindows.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 masteringwindows.com (unsigned zone)
⏱️ Timing
Total: 235ms | 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
masteringwindows.com resolves to just one IP address, 207.148.248.143.
Two other host names, along with broker.wip3.georgetownhealth.com, sterrenkijker.com and npec.net, also share IP numbers with masteringwindows.com.
Name Servers
DNS delegation for masteringwindows.com points to two name servers: this-domain-for-sale.com and ns.buydomains.com.
masteringwindows.com shares its NS records with other domains, for example endlesstops.com, sorc.net, chemicalrisks.com and two others.
At least some of masteringwindows.com's name servers are shared with other domains, for example hbct.net and accessconcepts.com.
Both this-domain-for-sale.com and ns.buydomains.com have a single IP address, 52.20.26.87, and share it.
Host names pointing to 52.20.26.87 IP addresses: this-domain-for-sale.com and ns.buydomains.com.