engineercontractor.com - robtex.com
engineercontractor.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=1771291435 | ||||||
Previously MX for
engineercontractor.com |
Same first word
engineercontractor.com |
DNS History
13 records (9 active, 4 former)
○NSns1.bootools.com2015-12-17 → 2017-06-22 · 4 obs
● 2017-06-22 13:01:36
○ 2026-02-23 20:35:20
○ 2026-03-04 23:54:58
○NSns2.bootools.com2015-12-17 → 2017-06-22 · 4 obs
● 2017-06-22 13:01:36
○ 2026-02-23 20:35:20
○ 2026-03-04 23:54:58
●NSns77.domaincontrol.com2026-02-23 → 2026-03-04 · 3 obs
● 2026-02-23 20:35:20
● 2026-03-04 23:54:58
●NSns78.domaincontrol.com2026-02-23 → 2026-03-04 · 3 obs
● 2026-02-23 20:35:20
● 2026-03-04 23:54:58
●MXalt1.aspmx.l.google.com2026-02-23 → 2026-03-04 · 3 obs
● 2026-02-23 20:35:20
● 2026-03-04 23:54:58
●MXalt2.aspmx.l.google.com2026-02-23 → 2026-03-04 · 3 obs
● 2026-02-23 20:35:20
● 2026-03-04 23:54:58
●MXalt3.aspmx.l.google.com2026-02-23 → 2026-03-04 · 3 obs
● 2026-02-23 20:35:20
● 2026-03-04 23:54:58
●MXalt4.aspmx.l.google.com2026-02-23 → 2026-03-04 · 3 obs
● 2026-02-23 20:35:20
● 2026-03-04 23:54:58
●MXaspmx.l.google.com2026-02-23 → 2026-03-04 · 3 obs
● 2026-02-23 20:35:20
● 2026-03-04 23:54:58
○MXengineercontractor.com2015-12-17 → 2017-06-22 · 4 obs
● 2017-06-22 13:01:36
○ 2026-02-23 20:35:20
○ 2026-03-04 23:54:58
○A108.174.149.342015-12-17 → 2017-06-22 · 4 obs
● 2017-06-22 13:01:36
○ 2026-02-23 20:35:20
○ 2026-03-04 23:54:58
●A15.197.225.1282026-02-23 → 2026-03-04 · 3 obs
● 2026-02-23 20:35:20
● 2026-03-04 23:54:58
●A3.33.251.1682026-02-23 → 2026-03-04 · 3 obs
● 2026-02-23 20:35:20
● 2026-03-04 23:54:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| engineercontractor.com | ns77.domaincontrol.com, ns78.domaincontrol.com | 4 records |
✅ Authoritative Response
Server: 97.74.108.49
NS records: ns77.domaincontrol.com, ns78.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for engineercontractor.com (unsigned zone)
⏱️ Timing
Total: 169ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns77.domaincontrol.com, ns78.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | v=spf1 a mx ptr include:secureserver.net, google-site-verification=gVPbWqESU_YNcMR |
| SOA | 1 | ns77.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns77.domaincontrol.com, ns77.domaincontrol.com, ns78.domaincontrol.com...)
Analysis
IP Addresses
engineercontractor.com points to two IP numbers: 3.33.251.168 and 15.197.225.128.
Other host names such as firstalternatives.net, uyum.com, holidayinnlansdale.com, nutratru.com and prodisplayinc.com share IPs with engineercontractor.com.
Name Servers
engineercontractor.com is delegated to two name servers: ns77.domaincontrol.com and ns78.domaincontrol.com.
engineercontractor.com shares the same name server setup as boxseatz.com, zuricheducation.com, uwork.com.au, foxru.com and sangatmatrimonial.org.
Host names with two IP numbers: ns77.domaincontrol.com points to: 2603:5:21c4::31 and 97.74.108.49; ns78.domaincontrol.com points to: 2603:5:22c4::31 and 173.201.76.49.
Mail Servers
Five mail servers handle engineercontractor.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
engineercontractor.com shares at least partially some mail servers with other domains, including ns500754.ns500754.ns500671.ns500742.ns500731.ns500704.ns500671.ns500705.ns500666.ns500131.lustychickser.com, fuerzalatinaservices.org, ns500758.ns500758.ns500735.ns500735.ns500735.ns500698.ns500708.ns500708.ns500686.ns500619.ns500619.ns500652.tracksymphony.com, ns500758.ns500698.ns500758.ns500758.ns500698.ns500758.ns500735.ns500698.ns500736.ns500735.ns500708.ns500708.ns500576.ns500652.ns500619.trackreceptor.com and ns500742.ns500754.ns500754.ns500671.ns500704.ns500731.ns500731.ns500705.ns500678.ns500291.ns500688.ns500291.ns500291.ns500153.tenderladiesbz.com.
these mail servers are often used together with mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
Hostname aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.
Hostname alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.
Hostname alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.
Hostname alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.
Hostname alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.