k1sw.com - robtex.com
k1sw.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.27.79.221🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix | ||||||
| PTR | ec2-52-27-79-221.us-west-2.compute.amazonaws.com | ||||||
| NS | ns4.csof.net ⭐ | ||||||
| A | 52.20.19.77🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-19-77.compute-1.amazonaws.com | ||||||
| NS | ns1.csof.net | ||||||
| A | 18.205.186.231🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-18-205-186-231.compute-1.amazonaws.com | ||||||
| NS | ns2.csof.net | ||||||
| A | 23.21.178.27🇺🇸 Amazon23.20.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-23-21-178-27.compute-1.amazonaws.com | ||||||
| NS | ns3.csof.net | ||||||
| A | 3.214.185.54🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-214-185-54.compute-1.amazonaws.com | ||||||
| MX | mx1.k1sw.com ⭐ | ||||||
| A | 46.4.12.146🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| PTR | static.146.12.4.46.clients.your-server.de | ||||||
| MX | mx2.k1sw.com ⭐ | ||||||
| A | 46.4.10.173🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| PTR | static.173.10.4.46.clients.your-server.de | ||||||
| TXT | v=spf1 include:_incspfcheck.mailspike.net ?all | ||||||
| SOA | ns4.csof.nethostmaster@k1sw.com serial=1774863801 | ||||||
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=1774863697 | ||||||
Subdomains
Same first word
k1sw.com |
Similar names
DNS History
10 records (7 active, 3 former)
○NSjm1.dns.com2019-12-16 → 2019-12-16 · 3 obs
○ 2026-03-09 02:13:22
○ 2026-03-30 09:44:28
○NSjm2.dns.com2019-12-16 → 2019-12-16 · 3 obs
○ 2026-03-09 02:13:22
○ 2026-03-30 09:44:28
●NSns1.csof.net2026-03-09 → 2026-03-30 · 3 obs
● 2026-03-09 02:13:22
● 2026-03-30 09:44:28
●NSns2.csof.net2026-03-09 → 2026-03-30 · 3 obs
● 2026-03-09 02:13:22
● 2026-03-30 09:44:28
●NSns3.csof.net2026-03-09 → 2026-03-30 · 3 obs
● 2026-03-09 02:13:22
● 2026-03-30 09:44:28
●NSns4.csof.net2026-03-09 → 2026-03-30 · 3 obs
● 2026-03-09 02:13:22
● 2026-03-30 09:44:28
●MXmx1.k1sw.com2026-03-09 → 2026-03-30 · 2 obs
● 2026-03-30 09:44:28
●MXmx2.k1sw.com2026-03-09 → 2026-03-30 · 2 obs
● 2026-03-30 09:44:28
○A160.124.132.1062019-12-16 → 2019-12-16 · 3 obs
○ 2026-03-09 02:13:22
○ 2026-03-30 09:44:28
●A52.27.79.2212026-03-09 → 2026-03-30 · 3 obs
● 2026-03-09 02:13:22
● 2026-03-30 09:44:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| k1sw.com | ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net | - |
✅ Authoritative Response
Server:3.214.185.54
NS records: ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for k1sw.com (unsigned zone)
⏱️ Timing
Total: 468ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.27.79.221 |
| NS | 4 | ns1.csof.net, ns4.csof.net... |
| MX | 2 | mx2.k1sw.com (pri: 10), mx1.k1sw.com (pri: 10) |
| TXT | 1 | v=spf1 include:_incspfcheck.mailspike.ne |
| SOA | 1 | ns4.csof.net hostmaster.k1sw.com |
Analysis
Hierarchy
k1sw.com is parent of mx1.k1sw.com and mx2.k1sw.com.
IP Addresses
k1sw.com points to a single IP: 52.27.79.221.
Other host names, for instance lygyvuj.com, uopqc06ea75d5a2c.top, 087b15fc2a72dcfd24d01d8534cda3f5.net, 36736d650ed0edf5e77bc691dccf71bb.xyz and www.08da13e7998a8a03f7fb6a236f5a9514.org share IP numbers with k1sw.com.
Name Servers
k1sw.com is delegated to four name servers: ns1.csof.net, ns2.csof.net, ns3.csof.net and ns4.csof.net.
k1sw.com at least partially shares its name servers with other domains, for instance 255d7aef8b9897488fdcab78a89d5fd2.click, blackievirus.com, bc157f2cfa8c94fb47924e1cbb742d7a.com, f371da7f698b738af7696196eb136cc5.com and hfeys8ce2403d5c8.com.
these name servers are commonly used together with ns5.csof.net, ns6.csof.net, ns7.csof.net and ns8.csof.net.
Host names with one IP number: ns1.csof.net points to 18.205.186.231; ns2.csof.net points to 23.21.178.27; ns3.csof.net points to 3.214.185.54; ns4.csof.net points to 52.20.19.77.
Mail Servers
Two mail servers mx1.k1sw.com and mx2.k1sw.com handle k1sw.com.
Host names with a single IP:
mx1.k1sw.com resolves to 46.4.12.146.
mx2.k1sw.com resolves to 46.4.10.173.