mainframetracker.com - dns.ninja
mainframetracker.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.216.87.80🇺🇸 ACEHOST-TPA01209.216.87.0/24 | ||||||
| NS | ns206.webmasters.com ⭐ | ||||||
| A | 209.216.87.79🇺🇸 ACEHOST-TPA01209.216.87.0/24 | ||||||
| PTR | ns206.webmasters.com | ||||||
| NS | dns1.webmasters.com | ||||||
| A | 51.81.90.59🇺🇸 OVH51.81.0.0/17 Hosting route | ||||||
| PTR | dns1.webmasters.com | ||||||
| NS | dns2.webmasters.com | ||||||
| A | 209.216.86.8🇺🇸 ACEHOST-TPA01209.216.86.0/24 | ||||||
| PTR | dns2.webmasters.com | ||||||
| NS | dns3.webmasters.com | ||||||
| A | 209.216.88.8🇺🇸 ACEHOST-TPA01209.216.88.0/24 | ||||||
| PTR | dns3.webmasters.com | ||||||
| NS | dns4.webmasters.com | ||||||
| A | 51.81.250.19🇺🇸 OVH51.81.128.0/17 Hosting route | ||||||
| PTR | dns4.webmasters.com | ||||||
| MX | mail.mainframetracker.com ⭐ | ||||||
| A | 209.216.87.79🇺🇸 ACEHOST-TPA01209.216.87.0/24 | ||||||
| PTR | ns206.webmasters.com | ||||||
| TXT | v=spf1 ip4:209.216.87.79 ~all | ||||||
| SOA | ns206.webmasters.comadmin@webmasters.com serial=952591085 | ||||||
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=1784137587 | ||||||
Subdomains
Same first word
mainframetracker.com |
DNS History
10 records (7 active, 3 former)
●NSdns1.webmasters.com2026-02-24 → 2026-07-15 · 3 obs
● 2026-02-24 09:05:24
● 2026-07-15 17:47:04
●NSdns2.webmasters.com2026-02-24 → 2026-07-15 · 3 obs
● 2026-02-24 09:05:24
● 2026-07-15 17:47:04
●NSdns3.webmasters.com2026-02-24 → 2026-07-15 · 3 obs
● 2026-02-24 09:05:24
● 2026-07-15 17:47:04
●NSdns4.webmasters.com2026-02-24 → 2026-07-15 · 3 obs
● 2026-02-24 09:05:24
● 2026-07-15 17:47:04
●NSns206.webmasters.com2026-02-24 → 2026-07-15 · 3 obs
● 2026-02-24 09:05:24
● 2026-07-15 17:47:04
○NSns7.webmasters.com2015-08-11 → 2017-05-17 · 4 obs
● 2017-05-17 02:29:10
○ 2026-02-24 09:05:24
○ 2026-07-15 17:47:04
○NSns9.webmasters.com2015-08-11 → 2017-05-17 · 4 obs
● 2017-05-17 02:29:10
○ 2026-02-24 09:05:24
○ 2026-07-15 17:47:04
●MXmail.mainframetracker.com2015-08-11 → 2026-07-15 · 2 obs
● 2026-07-15 17:47:04
○A208.64.137.622015-08-11 → 2017-05-17 · 4 obs
● 2017-05-17 02:29:10
○ 2026-02-24 09:05:24
○ 2026-07-15 17:47:04
●A209.216.87.802026-02-24 → 2026-07-15 · 3 obs
● 2026-02-24 09:05:24
● 2026-07-15 17:47:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| mainframetracker.com | dns1.webmasters.com, dns2.webmasters.com, dns3.webmasters.com, dns4.webmasters.com | 4 records |
✅ Authoritative Response
Server:51.81.90.59
NS records: dns1.webmasters.com, dns2.webmasters.com, dns3.webmasters.com, dns4.webmasters.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mainframetracker.com (unsigned zone)
⏱️ Timing
Total: 399ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.216.87.80 |
| NS | 4 | dns4.webmasters.com, dns1.webmasters.com... |
| MX | 1 | mail.mainframetracker.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:209.216.87.79 ~all |
| SOA | 1 | ns206.webmasters.com admin.webmasters.co |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.webmasters.com, dns2.webmasters.com, dns3.webmasters.com...)
Analysis
Hierarchy
mainframetracker.com is the parent domain of mail.mainframetracker.com and www.mainframetracker.com.
IP Addresses
mainframetracker.com points to a single IP number: 209.216.87.80.
Additional host names — qualconcepts.com, insulatedconcreteblock.com, icostech.com and two others — share IP numbers with mainframetracker.com.
Name Servers
Delegation for mainframetracker.com is to five name servers: dns1.webmasters.com, dns2.webmasters.com, dns3.webmasters.com and two others.
The name servers of mainframetracker.com overlap at least partially with those of other domains — among them kahramanco.com, richerresourcespublications.com, wildmikeswings.com and two more.
These name servers commonly appear in delegations together with dns4.webmasters.com, ns208.webmasters.com, dns120.webmasters.com and 7 other.
Host names pointing to a single IP address:
dns1.webmasters.com resolves to the IP address 51.81.90.59.
dns2.webmasters.com resolves to the IP address 209.216.86.8.
dns3.webmasters.com resolves to the IP address 209.216.88.8.
dns4.webmasters.com resolves to the IP address 51.81.250.19.
ns206.webmasters.com resolves to the IP address 209.216.87.79.
Mail Servers
mainframetracker.com has one mail server: mail.mainframetracker.com.
mail.mainframetracker.com resolves to 209.216.87.79 and no other IP number.