polytechpub.com - robtex.com
polytechpub.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 68.66.216.52🇺🇸 A2HOSTING68.66.216.0/21 A2 Hosting, Inc. | ||||||
| PTR | mi3-ts104.a2hosting.com | ||||||
| NS | ns1.a2hosting.com ⭐ | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.a2hosting.com | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns3.a2hosting.com | ||||||
| A | 76.223.26.245🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns4.a2hosting.com | ||||||
| A | 99.83.147.209🇺🇸 Amazon99.83.144.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| MX | polytechpub.com ⭐ | ||||||
| A | 68.66.216.52🇺🇸 A2HOSTING68.66.216.0/21 A2 Hosting, Inc. | ||||||
| PTR | mi3-ts104.a2hosting.com | ||||||
| TXT | v=spf1 ip4:68.66.216.52 include:spf.a2hosting.com +ip4:68.66.216.52 +a +mx +i... | ||||||
| SOA | ns1.a2hosting.comroot@mi3-ts104.a2hosting.com 2026-03-20 #1 | ||||||
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=1774691507 | ||||||
MX for
polytechpub.com |
Same first word
polytechpub.com |
DNS History
7 records (6 active, 1 former)
●NSns1.a2hosting.com2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 10:08:32
●NSns2.a2hosting.com2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 10:08:32
●NSns3.a2hosting.com2015-07-15 → 2026-03-28 · 2 obs
● 2026-03-28 10:08:32
●NSns4.a2hosting.com2015-07-15 → 2026-03-28 · 2 obs
● 2026-03-28 10:08:32
●MXpolytechpub.com2015-07-15 → 2026-03-28 · 2 obs
● 2026-03-28 10:08:32
○A162.254.248.692015-07-15 → 2017-12-17 · 3 obs
● 2017-12-17 05:40:02
○ 2026-03-28 10:08:32
●A68.66.216.522026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 10:08:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| polytechpub.com | ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com | 4 records |
✅ Authoritative Response
Server:76.223.26.245
NS records: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polytechpub.com (unsigned zone)
⏱️ Timing
Total: 372ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 68.66.216.52 |
| NS | 4 | ns4.a2hosting.com, ns2.a2hosting.com... |
| MX | 1 | polytechpub.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:68.66.216.52 include:spf.a2ho |
| SOA | 1 | ns1.a2hosting.com root.mi3-ts104.a2hosti |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com...)
Analysis
Mail Server Role
polytechpub.com is the mail server for polytechpub.com.
IP Addresses
polytechpub.com resolves to a single IP: 68.66.216.52.
Other host names, for instance mail.pierre-biscuiterie.com, niteowlsbar.com, everybodymt.com, mavmedia.net and jesllcmi.com share IP numbers with polytechpub.com.
Name Servers
polytechpub.com is delegated to four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.
polytechpub.com shares some name servers with other domains, for example tahitidanceonline.com, vivadrip.com, norcblueprint.org, prepathletics.com and beconsulting.ba.
These name servers are commonly used with the name servers ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com, ns4.mysecurecloudhost.com, ns1.supercp.com and ns2.supercp.com.
Host names with a single IP
ns1.a2hosting.com resolves to 13.248.158.180
ns2.a2hosting.com resolves to 75.2.118.134
ns3.a2hosting.com resolves to 76.223.26.245
ns4.a2hosting.com resolves to 99.83.147.209
Mail Servers
One mail server handles polytechpub.com.
Host name polytechpub.com points to IP 68.66.216.52.