rtk.us - dns.ninja
rtk.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=1782004812 | ||||||
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSbuy.internettraffic.com2015-08-18 → 2016-07-09 · 4 obs
● 2016-07-09 17:05:34
○ 2016-09-03 21:13:44
○ 2026-06-21 01:45:02
●NSdns1.registrar-servers.com2026-02-16 → 2026-06-21 · 3 obs
● 2026-02-16 02:05:36
● 2026-06-21 01:45:02
●NSdns2.registrar-servers.com2026-02-16 → 2026-06-21 · 3 obs
● 2026-02-16 02:05:36
● 2026-06-21 01:45:02
○NSns1.uniregistrymarket.link2016-09-03 → 2017-09-27 · 5 obs
● 2016-09-03 21:13:44
● 2017-09-27 01:52:12
○ 2026-02-16 02:05:36
○ 2026-06-21 01:45:02
○NSns2.uniregistrymarket.link2016-09-03 → 2017-09-27 · 5 obs
● 2016-09-03 21:13:44
● 2017-09-27 01:52:12
○ 2026-02-16 02:05:36
○ 2026-06-21 01:45:02
○NSsell.internettraffic.com2015-08-18 → 2016-07-09 · 4 obs
● 2016-07-09 17:05:34
○ 2016-09-03 21:13:44
○ 2026-06-21 01:45:02
●MXmail.protonmail.ch2026-02-16 → 2026-06-21 · 2 obs
● 2026-06-21 01:45:02
●MXmailsec.protonmail.ch2026-02-16 → 2026-06-21 · 2 obs
● 2026-06-21 01:45:02
○A69.172.201.1532016-07-09 → 2026-02-16 · 5 obs
● 2016-07-09 17:05:34
● 2026-02-16 02:05:36
○ 2026-03-19 14:54:16
○ 2026-06-21 01:45:02
○A69.172.201.2082015-08-18 → 2016-02-16 · 4 obs
● 2016-02-16 00:23:58
○ 2016-07-09 17:05:34
○ 2026-06-21 01:45:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | y.cctld.us, n.cctld.us, m.cctld.us, x.cctld.us... | - |
| rtk.us | dns2.registrar-servers.com, dns1.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns2.registrar-servers.com, dns1.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtk.us (unsigned zone)
⏱️ Timing
Total: 498ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 2 | v=spf1 include:_spf.protonmail.ch mx ~al, protonmail-verification=a7a464a9b5bd8a2e |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
Name Servers
The NS records for rtk.us delegate to dns1.registrar-servers.com and dns2.registrar-servers.com.
The name server configuration of rtk.us is shared with other domains, for instance infomallapp.shop, logosandlayouts.nl, lifeonthe.cloud and two others.
There is at least partial name server overlap between rtk.us and other domains — tadalafilsxp.com, drager.me, hstuetz.com and two more among them.
The name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com are often found in combination with these name servers.
dns1.registrar-servers.com resolves to 156.154.132.200 and 2610:a1:1024::200. Likewise, dns2.registrar-servers.com resolves to 156.154.133.200 and 2610:a1:1025::200 — two IP addresses apiece.
Mail Servers
rtk.us uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.
The mail server setup of rtk.us matches that of other domains such as plhk.dev, yashasolutions.com, arochah.com and two others.
At least some of the mail servers used by rtk.us are shared with other domains: adventvre.com, wildflower-farm.com, imagewest.com and two others among them.
mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129. Both hosts resolve to three IP numbers.