number1contractors.com - robtex.com
number1contractors.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.63.23.154🇺🇸 AS-VULTR45.63.16.0/21 Vultr Assigned Prefix | ||||||
| PTR | 45.63.23.154.vultrusercontent.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 | mail.number1contractors.com ⭐ | ||||||
| A | 66.198.240.27🇺🇸 vercara-udos66.198.240.0/24 | ||||||
| PTR | mi3-cl9-its3.a2hosting.com | ||||||
| TXT | v=spf1 +a +mx +ip4:66.198.240.27 ~all | ||||||
| SOA | ns1.a2hosting.comroot@mi3-cl9-its3.a2hosting.com 2025-03-17 #0 | ||||||
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=1776049372 | ||||||
Same first word
number1contractors.com |
DNS History
6 records (6 active, 0 former)
●NSns1.a2hosting.com2026-03-11 → 2026-04-13 · 2 obs
● 2026-04-13 03:10:42
●NSns2.a2hosting.com2026-03-11 → 2026-04-13 · 2 obs
● 2026-04-13 03:10:42
●NSns3.a2hosting.com2026-03-11 → 2026-04-13 · 2 obs
● 2026-04-13 03:10:42
●NSns4.a2hosting.com2026-03-11 → 2026-04-13 · 2 obs
● 2026-04-13 03:10:42
●MXmail.number1contractors.com2026-03-11 → 2026-04-13 · 2 obs
● 2026-04-13 03:10:42
●A45.63.23.1542026-03-11 → 2026-04-13 · 2 obs
● 2026-04-13 03:10:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| number1contractors.com | ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com | 4 records |
✅ Authoritative Response
Server:13.248.158.180
NS records: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for number1contractors.com (unsigned zone)
⏱️ Timing
Total: 106ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.63.23.154 |
| NS | 4 | ns1.a2hosting.com, ns4.a2hosting.com... |
| MX | 1 | mail.number1contractors.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:66.198.240.27 ~all |
| SOA | 1 | ns1.a2hosting.com root.mi3-cl9-its3.a2ho |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com...)
Analysis
IP Addresses
number1contractors.com points to a single IP address: 45.63.23.154.
Other host names such as equineobsessions.com, execplaybook.com, oxbridgekuwait.com, nubeducativa.com and smallcities.net share IPs with number1contractors.com.
Name Servers
number1contractors.com is delegated to four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.
number1contractors.com at least partially shares name servers with other domains, for example grandslamhistory.com, jonagua.com, kbyrnes.com, savetonight.com.au and ccscorp.cc.
these name servers commonly pair with ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com and ns4.mysecurecloudhost.com.
Host names with one IP number:
ns1.a2hosting.com points to: 13.248.158.180
ns2.a2hosting.com points to: 75.2.118.134
ns3.a2hosting.com points to: 76.223.26.245
ns4.a2hosting.com points to: 99.83.147.209
Mail Servers
The mail.number1contractors.com mail server handles number1contractors.com.
mail.number1contractors.com points to a single IP number: 66.198.240.27.