polytechnet.com - dns.ninja
polytechnet.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=1782659895 | ||||||
Subdomains
mail.polytechnet.com |
Same first word
polytechnet.com |
DNS History
6 records (6 active, 0 former)
●NScbru.br.ns.els-gms.att.net2015-08-10 → 2026-06-28 · 2 obs
● 2026-06-28 15:18:38
●NScmtu.mt.ns.els-gms.att.net2015-08-10 → 2026-06-28 · 2 obs
● 2026-06-28 15:18:38
●NSns1.swbell.net2015-08-10 → 2026-06-28 · 2 obs
● 2026-06-28 15:18:38
●NSns2.swbell.net2015-08-10 → 2026-06-28 · 2 obs
● 2026-06-28 15:18:38
●MXmail.polytechnet.com2015-08-10 → 2026-06-28 · 2 obs
● 2026-06-28 15:18:38
●A184.106.55.342015-08-10 → 2026-06-28 · 2 obs
● 2026-06-28 15:18:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| polytechnet.com | ns1.swbell.net, ns2.swbell.net | - |
✅ Authoritative Response
Server:151.164.1.1
NS records: ns1.swbell.net, ns2.swbell.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polytechnet.com (unsigned zone)
⏱️ Timing
Total: 464ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 184.106.55.34 |
| NS | 4 | ns1.swbell.net, ns2.swbell.net... |
| MX | 1 | mail.polytechnet.com (pri: 10) |
| TXT | 1 | v=spf1 mx ip4:72.138.155.84 ip4:72.138.1 |
| SOA | 1 | ns1.swbell.net rm-hostmaster.ems.att.com |
Analysis
Hierarchy
polytechnet.com is a parent domain of mail.polytechnet.com.
IP Addresses
polytechnet.com resolves to just one IP address, 184.106.55.34.
Two other host names, along with mybbexpert.com, langrealtynewyork.com and samasti.it, also share IP numbers with polytechnet.com.
Name Servers
The NS records for polytechnet.com point to four name servers: ns1.swbell.net, ns2.swbell.net, cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net.
polytechnet.com shares at least some of its name servers with other domains, including tycointernational.net, mahoganybayandbeach-honduras.net, carnivalinspirationcruises.com and two others.
These name servers are frequently seen alongside ns3.sbcglobal.net, dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net and 7 other name servers.
Host names that have two IP addresses:
cbru.br.ns.els-gms.att.net points to 68.94.156.132 and 2001:1890:1ff:9f0:68:94:156:132.
cmtu.mt.ns.els-gms.att.net points to 99.99.99.132 and 2001:1890:1ff:9f1:99:99:99:132.
Host names that point to one IP address:
ns1.swbell.net points to 151.164.1.1.
ns2.swbell.net points to 151.164.11.218.
Mail Servers
The sole mail server for polytechnet.com is mail.polytechnet.com.
mail.polytechnet.com resolves to a single IP number: 72.138.155.84.