rf61c.com - robtex.com
rf61c.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 | ns1.rf61c.com ⭐ | ||||||
| A | 18.205.186.231🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-18-205-186-231.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 | ||||||
| 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 | ||||||
| MX | mx1.rf61c.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.rf61c.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 | ns1.rf61c.comhostmaster@rf61c.com serial=1785817465 | ||||||
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=1785817417 | ||||||
Subdomains
Same first word
rf61c.com |
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1.rf61c.com2026-05-08 → 2026-08-04 · 2 obs
● 2026-08-04 04:46:02
●MXmx1.rf61c.com2026-05-08 → 2026-08-04 · 2 obs
● 2026-08-04 04:46:02
●MXmx2.rf61c.com2026-05-08 → 2026-08-04 · 2 obs
● 2026-08-04 04:46:02
●A52.27.79.2212026-05-08 → 2026-08-04 · 2 obs
● 2026-08-04 04:46:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rf61c.com | ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net | - |
✅ Authoritative Response
Server:52.20.19.77
NS records: ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rf61c.com (unsigned zone)
⏱️ Timing
Total: 335ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.27.79.221 |
| NS | 4 | ns4.csof.net, ns1.csof.net... |
| MX | 2 | mx1.rf61c.com (pri: 10), mx2.rf61c.com (pri: 10) |
| TXT | 1 | v=spf1 include:_incspfcheck.mailspike.ne |
| SOA | 1 | ns1.rf61c.com hostmaster.rf61c.com |
Analysis
Hierarchy
rf61c.com sits above ns1.rf61c.com, mx1.rf61c.com and mx2.rf61c.com in the domain hierarchy.
IP Addresses
rf61c.com has exactly one IP address — 52.27.79.221.
www.314ebc3e9023df7b921ce3b4894c6ea3.net, 5565071e8cc7dfd5653adbdfb1923986.net, www.7741ca84d681eead13b207cdeaf0ce65.com plus two other host names have IP numbers in common with rf61c.com.
Name Servers
Five name servers handle delegation for rf61c.com: ns1.rf61c.com, ns1.csof.net, ns2.csof.net and two others.
There is at least partial name server overlap between rf61c.com and other domains — lgecugkeqolok5b.com, 5d4ec1aafc46ad5349687ea87a011a75.info, aefeb1f0d768942f.top and two more among them.
These name servers regularly appear alongside ns3.csof.net, ns4.csof.net, ns5.csof.net and 3 other name servers in NS record sets.
Host names resolving to a single IP address:
ns1.rf61c.com points to 18.205.186.231.
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.
ns1.rf61c.com and ns1.csof.net are host names that each point to 18.205.186.231 IP addresses.
Mail Servers
rf61c.com uses two mail servers, mx1.rf61c.com and mx2.rf61c.com.
mx1.rf61c.com → 46.4.12.146 and mx2.rf61c.com → 46.4.10.173: one IP number per host name.