rf-engineering.com - dns.ninja
rf-engineering.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 97.107.140.186🇺🇸 AKAMAI-LINODE-AP97.107.128.0/20 Akamai Technologies | ||||||
| PTR | coledd.com | ||||||
| NS | ns1.coledd.com ⭐ | ||||||
| A | 97.107.140.186🇺🇸 AKAMAI-LINODE-AP97.107.128.0/20 Akamai Technologies | ||||||
| PTR | coledd.com | ||||||
| NS | ns2.coledd.com | ||||||
| A | 97.107.140.186🇺🇸 AKAMAI-LINODE-AP97.107.128.0/20 Akamai Technologies | ||||||
| PTR | coledd.com | ||||||
| MX | mail.rf-engineering.com ⭐ | ||||||
| A | 97.107.140.186🇺🇸 AKAMAI-LINODE-AP97.107.128.0/20 Akamai Technologies | ||||||
| PTR | coledd.com | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.coledd.comhostmaster@coledd.com 2019-04-11 #1 | ||||||
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=1782022835 | ||||||
Subdomains
mail.rf-engineering.com |
Same first word
rf-engineering.com |
rf-engineering.co.uk |
Similar names
DNS History
6 records (4 active, 2 former)
○NSns.coledd.com2008-03-04 → 2008-03-04 · 3 obs
○ 2015-06-23 12:15:06
○ 2026-06-21 06:46:38
●NSns1.coledd.com2015-06-23 → 2026-06-21 · 3 obs
● 2015-06-23 12:15:06
● 2026-06-21 06:46:38
●NSns2.coledd.com2008-03-04 → 2026-06-21 · 2 obs
● 2026-06-21 06:46:38
●MXmail.rf-engineering.com2008-03-04 → 2026-06-21 · 2 obs
● 2026-06-21 06:46:38
○A66.219.130.1462008-03-04 → 2008-03-04 · 3 obs
○ 2015-06-23 12:15:06
○ 2026-06-21 06:46:38
●A97.107.140.1862015-06-23 → 2026-06-21 · 3 obs
● 2015-06-23 12:15:06
● 2026-06-21 06:46:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net... | - |
| rf-engineering.com | ns2.coledd.com, ns1.coledd.com | 2 records |
✅ Authoritative Response
Server:97.107.140.186
NS records: ns2.coledd.com, ns1.coledd.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rf-engineering.com (unsigned zone)
⏱️ Timing
Total: 142ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 97.107.140.186 |
| NS | 2 | ns1.coledd.com, ns2.coledd.com |
| MX | 1 | mail.rf-engineering.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.coledd.com hostmaster.coledd.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.coledd.com, ns1.coledd.com)
Analysis
Hierarchy
The domain mail.rf-engineering.com falls under the parent rf-engineering.com.
IP Addresses
rf-engineering.com points to a single IP number: 97.107.140.186.
Additional host names — coledd.com, mail.implantradio.com, implantableradio.com and two others — share IP numbers with rf-engineering.com.
Name Servers
DNS delegation for rf-engineering.com points to two name servers: ns1.coledd.com and ns2.coledd.com.
rf-engineering.com shares its name server setup with other domains, including synthint.com, medicole.com, implantradio.com and two others.
Both ns1.coledd.com and ns2.coledd.com have a single IP address, 97.107.140.186, and share it.
Host names pointing to 97.107.140.186 IP addresses: ns1.coledd.com and ns2.coledd.com.
Mail Servers
rf-engineering.com has one mail server: mail.rf-engineering.com.
mail.rf-engineering.com has exactly one IP number: 97.107.140.186.