rtcoolingandheating.com - robtex.com
rtcoolingandheating.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=1776071472 | ||||||
Same first word
rtcoolingandheating.com |
DNS History
5 records (5 active, 0 former)
●NSns21.domaincontrol.com2026-04-06 → 2026-04-13 · 2 obs
● 2026-04-13 09:34:00
●NSns22.domaincontrol.com2026-04-06 → 2026-04-13 · 2 obs
● 2026-04-13 09:34:00
●MXrtcoolingandheating-com.mail.protection.outlook.com2026-04-06 → 2026-04-13 · 2 obs
● 2026-04-13 09:34:00
●A13.248.243.52026-04-06 → 2026-04-13 · 2 obs
● 2026-04-13 09:34:00
●A76.223.105.2302026-04-06 → 2026-04-13 · 2 obs
● 2026-04-13 09:34:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net... | - |
| rtcoolingandheating.com | ns21.domaincontrol.com, ns22.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.100.11
NS records: ns21.domaincontrol.com, ns22.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtcoolingandheating.com (unsigned zone)
⏱️ Timing
Total: 113ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns21.domaincontrol.com, ns22.domaincontrol.com |
| MX | 1 | rtcoolingandheating-com.mail.protection. |
| TXT | 2 | NETORGFT13159448.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns21.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns21.domaincontrol.com, ns21.domaincontrol.com, ns22.domaincontrol.com...)
Analysis
IP Addresses
rtcoolingandheating.com points to two IP numbers: 13.248.243.5 and 76.223.105.230.
Other host names, for instance qvisitor.com, migalife.com, midnightcomics.net, prestigemedicalclinics.com and yanac.org share IP numbers with rtcoolingandheating.com.
Name Servers
rtcoolingandheating.com is delegated to two name servers: ns21.domaincontrol.com and ns22.domaincontrol.com.
rtcoolingandheating.com uses the same name server setup as other domains, for instance big-sale-warehouse.com, unauthorized.com, toughguycomputing.net, detriangle.com and osgrill.org.
Host names with two IP numbers:
The host ns21.domaincontrol.com points to 2603:5:2141::b and 97.74.100.11.
The host ns22.domaincontrol.com points to 2603:5:2241::b and 173.201.68.11.
Mail Servers
The mail server for rtcoolingandheating.com is rtcoolingandheating-com.mail.protection.outlook.com.
Host rtcoolingandheating-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c91d::b, 2a01:111:f403:f804::1, 2a01:111:f403:f905::4, 2a01:111:f403:f90c::, 40.93.192.1, 52.101.9.14, 52.101.50.4 and 52.101.194.15.