contechbuilding.com - dns.ninja
contechbuilding.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=1785167657 | ||||||
Subdomains
mail.contechbuilding.com |
Same first word
contechbuilding.com |
DNS History
8 records (5 active, 3 former)
●NSns71.domaincontrol.com2015-07-23 → 2026-07-27 · 2 obs
● 2026-07-27 16:07:16
●NSns72.domaincontrol.com2015-11-23 → 2026-07-27 · 3 obs
● 2015-11-23 22:10:18
● 2026-07-27 16:07:16
●MXcontechbuilding-com.mail.protection.outlook.com2020-01-09 → 2026-07-27 · 3 obs
● 2020-01-09 09:51:22
● 2026-07-27 16:07:16
○MXmail.contechbuilding.com2015-11-23 → 2017-02-18 · 4 obs
● 2017-02-18 16:40:38
○ 2020-01-09 09:51:22
○ 2026-07-27 16:07:16
●A13.248.243.52026-03-29 → 2026-07-27 · 3 obs
● 2026-03-29 00:38:44
● 2026-07-27 16:07:16
○A160.153.136.32020-01-09 → 2020-01-09 · 4 obs
● 2020-01-09 09:51:22
○ 2026-03-29 00:38:44
○ 2026-07-27 16:07:16
○A64.19.69.382015-07-23 → 2017-02-18 · 4 obs
● 2017-02-18 16:40:38
○ 2020-01-09 09:51:22
○ 2026-07-27 16:07:16
●A76.223.105.2302026-03-29 → 2026-07-27 · 3 obs
● 2026-03-29 00:38:44
● 2026-07-27 16:07:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| contechbuilding.com | ns71.domaincontrol.com, ns72.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.73.46
NS records: ns71.domaincontrol.com, ns72.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for contechbuilding.com (unsigned zone)
⏱️ Timing
Total: 125ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns71.domaincontrol.com, ns72.domaincontrol.com |
| MX | 1 | contechbuilding-com.mail.protection.outl |
| TXT | 3 | v=spf1 ip4:64.19.69.34 include:spf.prote, apple-domain-verification=7AupHk4ryQ7VzU... |
| SOA | 1 | ns71.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns71.domaincontrol.com, ns71.domaincontrol.com, ns72.domaincontrol.com...)
Analysis
Hierarchy
contechbuilding.com is a parent domain of mail.contechbuilding.com.
IP Addresses
contechbuilding.com resolves to the IP addresses 13.248.243.5 and 76.223.105.230
Additional host names — expatlad.com, sciaticus.com, leachfamilyservices.com and two others — share IP numbers with contechbuilding.com.
Name Servers
DNS delegation for contechbuilding.com points to two name servers: ns71.domaincontrol.com and ns72.domaincontrol.com.
contechbuilding.com shares its name server setup with other domains, including exchange-1.com, carsonalities.com, halifaxcricketleague.co.uk and two others.
contechbuilding.com shares at least some of its name servers with other domains, such as acfkids.com and tidelandco.com.
ns71.domaincontrol.com directs to 97.74.105.46 and 2603:5:2194::2e. ns72.domaincontrol.com directs to 173.201.73.46 and 2603:5:2294::2e. Each host name carries two IP addresses.
Mail Servers
contechbuilding.com has one mail server: contechbuilding-com.mail.protection.outlook.com.
contechbuilding-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.9.17, 52.101.10.18, 52.101.11.10 and 5 other.