opgrefw.com - robtex.com
opgrefw.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.146.6.253🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix | ||||||
| PTR | ec2-54-146-6-253.compute-1.amazonaws.com | ||||||
| NS | ns1.opgrefw.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.opgrefw.com ⭐ | ||||||
| A | 46.4.12.146🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| MX | mx2.opgrefw.com ⭐ | ||||||
| A | 46.4.10.173🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| TXT | v=spf1 include:_incspfcheck.mailspike.net ?all | ||||||
| SOA | ns1.opgrefw.comhostmaster@opgrefw.com serial=1778065301 | ||||||
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=1778629606 | ||||||
Same first word
opgrefw.com |
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1.opgrefw.com2026-05-08 → 2026-05-13 · 2 obs
● 2026-05-13 00:10:58
●MXmx1.opgrefw.com2026-05-08 → 2026-05-13 · 2 obs
● 2026-05-13 00:10:58
●MXmx2.opgrefw.com2026-05-08 → 2026-05-13 · 2 obs
● 2026-05-13 00:10:58
●A54.146.6.2532026-05-08 → 2026-05-13 · 2 obs
● 2026-05-13 00:10:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net... | - |
| opgrefw.com | ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net | - |
✅ Authoritative Response
Server:18.205.186.231
NS records: ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opgrefw.com (unsigned zone)
⏱️ Timing
Total: 1776ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.146.6.253 |
| NS | 4 | ns4.csof.net, ns3.csof.net... |
| MX | 2 | mx1.opgrefw.com (pri: 10), mx2.opgrefw.com (pri: 10) |
| TXT | 1 | v=spf1 include:_incspfcheck.mailspike.ne |
| SOA | 1 | ns1.opgrefw.com hostmaster.opgrefw.com |
Analysis
IP Addresses
opgrefw.com resolves to a single IP address: 54.146.6.253.
Other host names including dfe041a63729d8036b683d6c9d6cf7f4.com, giuediaudnudunfo.ru, www.fresh1.oracover.buzz, www.a5d7da2f4811d3efa9cc46182807106c.com and waitboat.net share IP numbers with opgrefw.com.
Name Servers
opgrefw.com is delegated to five name servers: ns1.opgrefw.com, ns1.csof.net, ns2.csof.net, ns3.csof.net and ns4.csof.net.
opgrefw.com at least partially shares name servers with other domains, including mopooc.com, af37106626d3c0eaa9671e7180746e3c.info, ciyejmogsxnefypiwpew.com, 9e82527dccfba52e0f6b721c8b7f81ef.org and 66229636f6333aae0a74d975d559cabe.com.
these name servers are commonly used with ns5.csof.net, ns6.csof.net, ns7.csof.net and ns8.csof.net.
Hostnames with a single IP:
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
opgrefw.com is handled by two mail servers: mx1.opgrefw.com and mx2.opgrefw.com.
Host names with a single IP:
mx1.opgrefw.com points to 46.4.12.146.
mx2.opgrefw.com points to 46.4.10.173.