z9engineering.com - dns.ninja
z9engineering.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=1786538484 | ||||||
Subdomains
Same first word
z9engineering.com |
DNS History
11 records (6 active, 5 former)
●NSns1.rollernet.us2016-12-19 → 2026-08-12 · 2 obs
● 2026-08-12 12:57:04
●NSns1.z9engineering.com2016-12-19 → 2026-08-12 · 2 obs
● 2026-08-12 12:57:04
●NSns2.rollernet.us2016-12-19 → 2026-08-12 · 2 obs
● 2026-08-12 12:57:04
●MXmail.rollernet.us2017-12-21 → 2026-08-12 · 3 obs
● 2017-12-21 01:22:34
● 2026-08-12 12:57:04
●MXmail.z9engineering.com2016-12-19 → 2026-08-12 · 2 obs
● 2026-08-12 12:57:04
●MXmail2.rollernet.us2017-12-21 → 2026-08-12 · 3 obs
● 2017-12-21 01:22:34
● 2026-08-12 12:57:04
○MXmail2.z9engineering.com2016-12-19 → 2017-12-21 · 4 obs
● 2017-12-21 01:22:34
○ 2026-03-28 04:41:54
○ 2026-08-12 12:57:04
○MXmx1.dnsmadeeasy.com2016-12-19 → 2016-12-19 · 3 obs
○ 2017-12-21 01:22:34
○ 2026-08-12 12:57:04
○MXmx2.dnsmadeeasy.com2016-12-19 → 2016-12-19 · 3 obs
○ 2017-12-21 01:22:34
○ 2026-08-12 12:57:04
○MXmx3.dnsmadeeasy.com2016-12-19 → 2016-12-19 · 3 obs
○ 2017-12-21 01:22:34
○ 2026-08-12 12:57:04
○A64.142.101.2412016-12-19 → 2017-12-21 · 4 obs
● 2017-12-21 01:22:34
○ 2026-03-28 04:41:54
○ 2026-08-12 12:57:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net... | - |
| z9engineering.com | ns1.rollernet.us, ns2.rollernet.us, ns1.z9engineering.com | 1 record |
✅ Authoritative Response
Server:45.32.224.36
NS records: ns1.rollernet.us, ns2.rollernet.us, ns1.z9engineering.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for z9engineering.com (unsigned zone)
⏱️ Timing
Total: 1649ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns2.rollernet.us, ns1.rollernet.us... |
| MX | 3 | mail.rollernet.us (pri: 30), mail.z9engineering.com (pri: 10)... |
| TXT | 1 | v=spf1 a ip4:45.63.35.81 include:auth.sp |
| SOA | 1 | ns1.z9engineering.com root.z9engineering |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (ns1.z9engineering.com)
Analysis
Hierarchy
The parent domain of mail.z9engineering.com and ns1.z9engineering.com is z9engineering.com.
Name Servers
z9engineering.com has three name servers — ns1.z9engineering.com, ns1.rollernet.us and ns2.rollernet.us.
z9engineering.com has at least partial name server overlap with other domains, such as staton.us, zielona.lodz.pl, frankvolkmer.de and two others.
dns.nextmove.it, ns2.he.net and ns4.he.net — plus 7 other name servers — are commonly paired with these name servers.
Hosts with two IP numbers each:
ns1.rollernet.us resolves to 208.79.240.3 and 2607:fe70:0:3::b.
ns2.rollernet.us resolves to 208.79.241.3 and 2607:fe70:0:4::b.
Hosts that resolve to one IP address:
ns1.z9engineering.com resolves to 45.32.224.36.
Mail Servers
z9engineering.com has three mail servers: mail.z9engineering.com, mail2.rollernet.us and mail.rollernet.us.
z9engineering.com shares at least some of its mail servers with other domains — for example kkpcnet.com, jeremysliwinski.com, hireldesign.com and two more.
Hosts with two IP numbers each:
mail2.rollernet.us resolves to 208.79.241.2 and 2607:fe70:0:4::a.
mail.rollernet.us resolves to 208.79.240.2 and 2607:fe70:0:3::a.
Hosts that resolve to one IP address:
mail.z9engineering.com resolves to 45.63.35.81.