rtctel.com - dns.ninja
rtctel.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=1785116292 | ||||||
Subdomains
Same first word
Similar names
trtcle.org |
lecttr.be |
cerltt.com |
ltcert.com |
trtcle.com |
ltcert.co.in |
trelct.com |
ltcert.in |
cltret.com |
etclrt.xyz |
DNS History
15 records (8 active, 7 former)
○NSns.catt.com2015-07-26 → 2017-08-09 · 4 obs
● 2017-08-09 07:02:18
○ 2026-02-15 00:47:34
○ 2026-07-27 01:40:30
○NSns01.rtctel.com2026-07-02 → 2026-07-02 · 4 obs
● 2026-07-02 20:05:24
○ 2026-07-18 23:03:40
○ 2026-07-27 01:40:30
○NSns02.rtctel.com2026-07-02 → 2026-07-02 · 4 obs
● 2026-07-02 20:05:24
○ 2026-07-18 23:03:40
○ 2026-07-27 01:40:30
●NSns1.rtctel.com2026-02-15 → 2026-07-27 · 3 obs
● 2026-02-15 00:47:34
● 2026-07-27 01:40:30
○NSns2.catt.com2015-07-26 → 2017-08-09 · 4 obs
● 2017-08-09 07:02:18
○ 2026-02-15 00:47:34
○ 2026-07-27 01:40:30
●NSns2.rtctel.com2026-02-15 → 2026-07-27 · 3 obs
● 2026-02-15 00:47:34
● 2026-07-27 01:40:30
●MXalt1.aspmx.l.google.com2026-02-15 → 2026-07-27 · 11 obs
● 2026-02-15 00:47:34
○ 2026-07-02 20:05:24
● 2026-07-04 02:12:42
○ 2026-07-08 13:24:56
● 2026-07-09 02:07:54
○ 2026-07-09 03:41:54
● 2026-07-09 13:41:18
○ 2026-07-09 20:50:50
● 2026-07-18 23:03:40
● 2026-07-27 01:40:30
●MXalt2.aspmx.l.google.com2026-02-15 → 2026-07-27 · 11 obs
● 2026-02-15 00:47:34
○ 2026-07-02 20:05:24
● 2026-07-04 02:12:42
○ 2026-07-08 13:24:56
● 2026-07-09 02:07:54
○ 2026-07-09 03:41:54
● 2026-07-09 13:41:18
○ 2026-07-09 20:50:50
● 2026-07-18 23:03:40
● 2026-07-27 01:40:30
●MXalt3.aspmx.l.google.com2026-02-15 → 2026-07-27 · 11 obs
● 2026-02-15 00:47:34
○ 2026-07-02 20:05:24
● 2026-07-04 02:12:42
○ 2026-07-08 13:24:56
● 2026-07-09 02:07:54
○ 2026-07-09 03:41:54
● 2026-07-09 13:41:18
○ 2026-07-09 20:50:50
● 2026-07-18 23:03:40
● 2026-07-27 01:40:30
●MXalt4.aspmx.l.google.com2026-02-15 → 2026-07-27 · 11 obs
● 2026-02-15 00:47:34
○ 2026-07-02 20:05:24
● 2026-07-04 02:12:42
○ 2026-07-08 13:24:56
● 2026-07-09 02:07:54
○ 2026-07-09 03:41:54
● 2026-07-09 13:41:18
○ 2026-07-09 20:50:50
● 2026-07-18 23:03:40
● 2026-07-27 01:40:30
●MXaspmx.l.google.com2026-02-15 → 2026-07-27 · 11 obs
● 2026-02-15 00:47:34
○ 2026-07-02 20:05:24
● 2026-07-04 02:12:42
○ 2026-07-08 13:24:56
● 2026-07-09 02:07:54
○ 2026-07-09 03:41:54
● 2026-07-09 13:41:18
○ 2026-07-09 20:50:50
● 2026-07-18 23:03:40
● 2026-07-27 01:40:30
○MXrtctel-com.mail.protection.outlook.com2015-07-26 → 2017-08-09 · 4 obs
● 2017-08-09 07:02:18
○ 2026-02-15 00:47:34
○ 2026-07-27 01:40:30
○A64.18.100.1052015-07-26 → 2016-09-26 · 4 obs
● 2016-09-26 00:38:58
○ 2017-08-09 07:02:18
○ 2026-07-27 01:40:30
○A64.18.100.982017-08-09 → 2017-08-09 · 4 obs
● 2017-08-09 07:02:18
○ 2026-02-15 00:47:34
○ 2026-07-27 01:40:30
●A64.18.101.922026-02-15 → 2026-07-27 · 3 obs
● 2026-02-15 00:47:34
● 2026-07-27 01:40:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rtctel.com | ns-199.awsdns-24.com, ns-752.awsdns-30.net, ns-1930.awsdns-49.co.uk, ns-1532.awsdns-63.org... | 4 records |
✅ Authoritative Response
Server:64.18.101.1
NS records: ns-199.awsdns-24.com, ns-752.awsdns-30.net, ns-1930.awsdns-49.co.uk, ns-1532.awsdns-63.org, ns1.rtctel.com, ns2.rtctel.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtctel.com (unsigned zone)
⏱️ Timing
Total: 289ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.18.101.92 |
| NS | 2 | ns2.rtctel.com, ns1.rtctel.com |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 5 | kw4wdx043q4pwttwhxwr3041hr9mdm0g, Z3dcD81NOMiTpzverPcW/g==... |
| SOA | 1 | ns1.rtctel.com hostmaster.catt.com |
📌 Glue Records Collected
Total: 4
In-bailiwick: 2 (ns1.rtctel.com, ns2.rtctel.com)
Out-of-bailiwick: 2 (ns-199.awsdns-24.com, ns-199.awsdns-24.com)
Analysis
Hierarchy
rtctel.com acts as a parent domain for host-64-18-104-186.rtctel.com, host-64-18-111-94.rtctel.com, host-64-18-106-217.rtctel.com, host-64-18-122-223.rtctel.com, host-64-18-118-152.rtctel.com and hundreds of other host names beneath it.
IP Addresses
rtctel.com has exactly one IP address — 64.18.101.92.
Additional host names — including www.rtctel.com and preview.rtctel.com — share IP numbers with rtctel.com.
Name Servers
DNS delegation for rtctel.com points to two name servers: ns1.rtctel.com and ns2.rtctel.com.
The name server configuration of rtctel.com is shared with other domains, for instance covenant.edu, 117.18.64.in-addr.arpa, cattdev.com and two others.
ns1.rtctel.com directs to 64.18.101.1 and 64.18.101.5. ns2.rtctel.com directs to 64.18.101.2 and 64.18.101.9. Each host name carries two IP addresses.
Mail Servers
Mail for rtctel.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by rtctel.com are shared with other domains: ns500671.ns500731.ns500671.ns500742.ns500688.ns500705.ns500704.ns500704.ns500688.ns500678.ns500666.ns500653.ns500153.tenderladiesbz.com, ns500671.ns500742.ns500731.ns500754.ns500742.ns500671.ns500704.ns500671.ns500705.ns500705.ns500649.ns500649.ns500291.ns500131.lustychickser.com, ns500731.ns500731.ns500742.ns500704.ns500671.ns500704.ns500688.ns500649.ns500291.ns500291.ns500291.ns500291.ns500291.ns500131.lustychickser.com and two others among them.
These mail servers often appear in conjunction with the mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names pointing to two IP addresses:
aspmx.l.google.com has two IP addresses: 192.179.18.27 and 2607:f8b0:4004:c06::1b.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.