rtcol.com - dns.ninja
rtcol.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=1785757052 | ||||||
Previously NS for
Subdomains
Same first word
rtcol.com |
Similar names
DNS History
15 records (6 active, 9 former)
●NSns1-35.azure-dns.com2026-02-16 → 2026-08-03 · 3 obs
● 2026-02-16 15:34:58
● 2026-08-03 11:56:34
○NSns1.api-digital.com2015-08-18 → 2019-01-02 · 4 obs
● 2019-01-02 01:29:42
○ 2026-02-16 15:34:58
○ 2026-08-03 11:56:34
●NSns2-35.azure-dns.net2026-02-16 → 2026-08-03 · 3 obs
● 2026-02-16 15:34:58
● 2026-08-03 11:56:34
○NSns2.api-digital.com2015-08-18 → 2019-01-02 · 4 obs
● 2019-01-02 01:29:42
○ 2026-02-16 15:34:58
○ 2026-08-03 11:56:34
●NSns3-35.azure-dns.org2026-02-16 → 2026-08-03 · 3 obs
● 2026-02-16 15:34:58
● 2026-08-03 11:56:34
●NSns4-35.azure-dns.info2026-02-16 → 2026-08-03 · 3 obs
● 2026-02-16 15:34:58
● 2026-08-03 11:56:34
●MXrtcol-com.mx.av-mx.com2026-02-16 → 2026-08-03 · 3 obs
● 2026-02-16 15:34:58
● 2026-08-03 11:56:34
○MXrtcol.com.mx1.virtacore.rcimx.net2015-08-18 → 2019-01-02 · 4 obs
● 2019-01-02 01:29:42
○ 2026-02-16 15:34:58
○ 2026-08-03 11:56:34
○MXrtcol.com.mx2.virtacore.rcimx.net2015-08-18 → 2019-01-02 · 4 obs
● 2019-01-02 01:29:42
○ 2026-02-16 15:34:58
○ 2026-08-03 11:56:34
○MXrtcol.com.mx3.virtacore.rcimx.net2015-08-18 → 2019-01-02 · 4 obs
● 2019-01-02 01:29:42
○ 2026-02-16 15:34:58
○ 2026-08-03 11:56:34
○MXrtcol.com.mx4.virtacore.rcimx.net2015-08-18 → 2019-01-02 · 4 obs
● 2019-01-02 01:29:42
○ 2026-02-16 15:34:58
○ 2026-08-03 11:56:34
○A199.16.221.912015-08-18 → 2015-10-06 · 4 obs
● 2015-10-06 23:24:34
○ 2015-10-22 01:35:36
○ 2026-08-03 11:56:34
○A199.16.221.982015-10-22 → 2019-01-02 · 5 obs
● 2015-10-22 01:35:36
● 2019-01-02 01:29:42
○ 2026-02-16 15:34:58
○ 2026-08-03 11:56:34
○A72.167.157.912015-08-18 → 2015-08-18 · 3 obs
○ 2015-09-08 15:19:02
○ 2026-08-03 11:56:34
●A75.119.204.2422026-02-16 → 2026-08-03 · 3 obs
● 2026-02-16 15:34:58
● 2026-08-03 11:56:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net... | - |
| rtcol.com | ns1-35.azure-dns.com, ns2-35.azure-dns.net, ns3-35.azure-dns.org, ns4-35.azure-dns.info | 2 records |
✅ Authoritative Response
Server:13.107.206.35
NS records: ns1-35.azure-dns.com, ns2-35.azure-dns.net, ns3-35.azure-dns.org, ns4-35.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtcol.com (unsigned zone)
⏱️ Timing
Total: 399ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 75.119.204.242 |
| NS | 4 | ns1-35.azure-dns.com, ns2-35.azure-dns.net... |
| MX | 1 | rtcol-com.mx.av-mx.com (pri: 10) |
| TXT | 2 | google-site-verification=52iTLw7W_7gLEaS, v=spf1 include:spf1.neonova.net ~all |
| SOA | 1 | ns1-35.azure-dns.com azuredns-hostmaster |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-35.azure-dns.com, ns1-35.azure-dns.com)
Analysis
Hierarchy
rtcol.com is a parent domain; its children include dns1.rtcol.com, dns2.rtcol.com, mail.rtcol.com, smtp.rtcol.com, webmail.rtcol.com and a few other host names.
IP Addresses
rtcol.com has exactly one IP address — 75.119.204.242.
apache2-linus.pdx1-shared-a1-28.dreamhost.com, anglotraducciones.com, macombdental.com plus two other host names have IP numbers in common with rtcol.com.
Name Servers
Four name servers handle the delegation for rtcol.com: ns1-35.azure-dns.com, ns4-35.azure-dns.info, ns2-35.azure-dns.net and ns3-35.azure-dns.org.
rtcol.com partially shares its NS delegation with several other domains, including nfusionsolutions.com, crestnicholson.com, advanceautoparts.palantirfoundry.com and two others.
ns1-35.azure-dns.com, ns4-35.azure-dns.info, ns2-35.azure-dns.net and ns3-35.azure-dns.org each carry two IP addresses. ns1-35.azure-dns.com has 150.171.10.35 and 2603:1061:0:10::23; ns4-35.azure-dns.info has 13.107.206.35 and 2620:1ec:bda:10::23; ns2-35.azure-dns.net has 150.171.16.35 and 2620:1ec:8ec:10::23; ns3-35.azure-dns.org has 13.107.222.35 and 2a01:111:4000:10::23.
Mail Servers
rtcol.com uses one mail server — rtcol-com.mx.av-mx.com.
rtcol-com.mx.av-mx.com resolves to a single IP number: 150.136.204.204.