rtbuilders.com - robtex.com
rtbuilders.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com ⭐ | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com | ||||||
| A | 173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns4.namefind.com | ||||||
| NS | verification-lpn25vxbqn7uv8x7vry6sb.ns101.verify.hn ⚠️ Not in zone NS records | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #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=1794479796 | ||||||
Subdomains
mail.rtbuilders.com |
Same first word
Similar names
Previous names
Next names
DNS History
11 records (5 active, 6 former)
○NSns1.one-dom6.com2015-05-19 → 2020-03-31 · 4 obs
● 2020-03-31 22:05:02
○ 2026-10-02 07:39:14
○ 2026-11-12 11:04:24
○NSns2.one-dom6.com2015-05-19 → 2020-03-31 · 6 obs
● 2016-09-23 21:26:28
○ 2017-04-18 14:06:34
● 2020-03-31 22:05:02
○ 2026-10-02 07:39:14
○ 2026-11-12 11:04:24
●NSns3.afternic.com2026-10-02 → 2026-11-12 · 3 obs
● 2026-10-02 07:39:14
● 2026-11-12 11:04:24
●NSns4.afternic.com2026-10-02 → 2026-11-12 · 3 obs
● 2026-10-02 07:39:14
● 2026-11-12 11:04:24
●NSverification-lpn25vxbqn7uv8x7vry6sb.ns101.verify.hn2026-10-02 → 2026-11-12 · 3 obs
● 2026-10-02 07:39:14
● 2026-11-12 11:04:24
○MXmail.rtbuilders.com2015-05-19 → 2020-03-31 · 7 obs
● 2016-01-16 02:25:32
○ 2016-04-07 01:49:14
● 2016-09-23 21:26:28
● 2020-03-31 22:05:02
○ 2026-10-02 07:39:14
○ 2026-11-12 11:04:24
○MXsmtp.one-cluster.net2016-04-07 → 2016-04-07 · 4 obs
● 2016-04-07 01:49:14
○ 2016-09-23 21:26:28
○ 2026-11-12 11:04:24
●A13.248.169.482026-10-02 → 2026-11-12 · 3 obs
● 2026-10-02 07:39:14
● 2026-11-12 11:04:24
○A34.206.182.1352017-04-18 → 2020-03-31 · 5 obs
● 2017-04-18 14:06:34
● 2020-03-31 22:05:02
○ 2026-10-02 07:39:14
○ 2026-11-12 11:04:24
○A38.113.115.1282015-05-19 → 2016-09-23 · 4 obs
● 2016-09-23 21:26:28
○ 2017-04-18 14:06:34
○ 2026-11-12 11:04:24
●A76.223.54.1462026-10-02 → 2026-11-12 · 3 obs
● 2026-10-02 07:39:14
● 2026-11-12 11:04:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net... | - |
| rtbuilders.com | ns3.afternic.com, ns4.afternic.com, verification-lpn25vxbqn7uv8x7vry6sb.ns101.verify.hn | 2 records |
✅ Authoritative Response
Server:97.74.98.65
NS records: ns3.afternic.com, ns4.afternic.com, verification-lpn25vxbqn7uv8x7vry6sb.ns101.verify.hn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtbuilders.com (unsigned zone)
⏱️ Timing
Total: 3399ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)
Analysis
Hierarchy
rtbuilders.com is a parent domain of mail.rtbuilders.com.
IP Addresses
rtbuilders.com resolves to the IP addresses 13.248.169.48 and 76.223.54.146
Two other host names, along with *.itismail.com, namesforbusinesses.com and www.rgang.com, also share IP numbers with rtbuilders.com.
Name Servers
The authoritative name servers for rtbuilders.com are ns3.afternic.com, ns4.afternic.com and verification-lpn25vxbqn7uv8x7vry6sb.ns101.verify.hn — three in total.
rtbuilders.com shares at least some of its name servers with other domains, including pernimius.com, wraptools.ca, europeanpickleballtour.com and two others.
These name servers are frequently paired with the name servers ns1.afternic.com and ns2.afternic.com.
Host names that have two IP addresses:
verification-lpn25vxbqn7uv8x7vry6sb.ns101.verify.hn directs traffic to 13.248.169.48 and 76.223.54.146.
Host names that point to one IP address:
ns3.afternic.com has the IP address 97.74.98.65.
ns4.afternic.com has the IP address 173.201.66.65.