rttech.us - robtex.com
rttech.us
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1785813533 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns29.domaincontrol.com2015-06-12 → 2026-08-04 · 2 obs
● 2026-08-04 04:28:04
●NSns30.domaincontrol.com2015-06-12 → 2026-08-04 · 2 obs
● 2026-08-04 04:28:04
○MXmailstore1.secureserver.net2015-06-12 → 2017-04-18 · 4 obs
● 2017-04-18 17:22:20
○ 2026-06-07 03:16:52
○ 2026-08-04 04:28:04
●MXrttech-us.mail.protection.outlook.com2026-06-07 → 2026-08-04 · 3 obs
● 2026-06-07 03:16:52
● 2026-08-04 04:28:04
○MXsmtp.secureserver.net2015-06-12 → 2017-04-18 · 4 obs
● 2017-04-18 17:22:20
○ 2026-06-07 03:16:52
○ 2026-08-04 04:28:04
●A13.248.243.52026-06-07 → 2026-08-04 · 3 obs
● 2026-06-07 03:16:52
● 2026-08-04 04:28:04
●A76.223.105.2302026-06-07 → 2026-08-04 · 3 obs
● 2026-06-07 03:16:52
● 2026-08-04 04:28:04
○A97.74.144.1592015-06-12 → 2017-04-18 · 4 obs
● 2017-04-18 17:22:20
○ 2026-06-07 03:16:52
○ 2026-08-04 04:28:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us... | - |
| rttech.us | ns30.domaincontrol.com, ns29.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.72.15
NS records: ns30.domaincontrol.com, ns29.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rttech.us (unsigned zone)
⏱️ Timing
Total: 692ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns29.domaincontrol.com, ns30.domaincontrol.com |
| MX | 1 | rttech-us.mail.protection.outlook.com (p |
| TXT | 2 | v=spf1 include:secureserver.net -all, NETORGFT9166386.onmicrosoft.com |
| SOA | 1 | ns29.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
rttech.us points to the IP addresses 13.248.243.5 and 76.223.105.230
Among the host names that share IP numbers with rttech.us are nonprofit4all.com, sfgh.co.uk, makani-re.com and two others.
Name Servers
DNS delegation for rttech.us points to two name servers: ns29.domaincontrol.com and ns30.domaincontrol.com.
rttech.us has the same name server delegation as a number of other domains, such as icebumpercars.com, k12savings.com, larryleeds.com and two more.
ns29.domaincontrol.com directs to 97.74.104.15 and 2603:5:2181::f. ns30.domaincontrol.com directs to 173.201.72.15 and 2603:5:2281::f. Each host name carries two IP addresses.
Mail Servers
rttech.us routes its mail through a single mail server, rttech-us.mail.protection.outlook.com.
rttech-us.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.9.0, 52.101.10.6 and 52.101.11.15, along with 5 other.