developercrucible.com - dns.ninja
developercrucible.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 84.16.251.118🇩🇪 LEASEWEB-DE-FRA-1084.16.224.0/19 Leaseweb DE | ||||||
| PTR | rs6.rcnoc.com | ||||||
| NS | rs61.rcnoc.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 84.16.251.118🇩🇪 LEASEWEB-DE-FRA-1084.16.224.0/19 Leaseweb DE | ||||||
| PTR | rs6.rcnoc.com | ||||||
| NS | rs41.rcnoc.com ⚠️ Not in zone NS records | ||||||
| A | 84.16.251.118🇩🇪 LEASEWEB-DE-FRA-1084.16.224.0/19 Leaseweb DE | ||||||
| PTR | rs6.rcnoc.com | ||||||
| NS | rs42.rcnoc.com ⚠️ Not in zone NS records | ||||||
| A | 84.16.251.97🇩🇪 LEASEWEB-DE-FRA-1084.16.224.0/19 Leaseweb DE | ||||||
| PTR | rs6.rcnoc.com | ||||||
| NS | rs62.rcnoc.com ⚠️ Not in parent delegation | ||||||
| A | 84.16.251.97🇩🇪 LEASEWEB-DE-FRA-1084.16.224.0/19 Leaseweb DE | ||||||
| PTR | rs6.rcnoc.com | ||||||
| MX | developercrucible.com ⭐ | ||||||
| A | 84.16.251.118🇩🇪 LEASEWEB-DE-FRA-1084.16.224.0/19 Leaseweb DE | ||||||
| PTR | rs6.rcnoc.com | ||||||
| TXT | v=spf1 ip4:84.16.251.118 include:relay.mailbaby.net ip4:88.198.22.18 ip4:173.... | ||||||
| SOA | rs61.rcnoc.comroot@rcnoc.com 2026-09-30 #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=1794020106 | ||||||
MX for
developercrucible.com |
Same first word
developercrucible.com |
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●MXdevelopercrucible.com2026-11-03 → 2026-11-07 · 2 obs
● 2026-11-07 03:12:10
●A84.16.251.1182026-11-03 → 2026-11-07 · 2 obs
● 2026-11-07 03:12:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net... | - |
| developercrucible.com | rs41.rcnoc.com, rs42.rcnoc.com | 2 records |
✅ Authoritative Response
Server:84.16.251.118
NS records: rs41.rcnoc.com, rs42.rcnoc.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for developercrucible.com (unsigned zone)
⏱️ Timing
Total: 681ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 84.16.251.118 |
| NS | 2 | rs62.rcnoc.com, rs61.rcnoc.com |
| MX | 1 | developercrucible.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:84.16.251.118 include:relay.m |
| SOA | 1 | rs61.rcnoc.com root.rcnoc.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (rs41.rcnoc.com, rs42.rcnoc.com)
Analysis
Mail Server Role
developercrucible.com acts as its own mail server.
IP Addresses
developercrucible.com points to a single IP number: 84.16.251.118.
Additional host names — shenachafiber.com, edu-coms.net, ssukepizza.co.ke and two others — share IP numbers with developercrucible.com.
Name Servers
developercrucible.com has four authoritative name servers: rs41.rcnoc.com, rs42.rcnoc.com, rs61.rcnoc.com and rs62.rcnoc.com.
The name servers of developercrucible.com overlap at least partially with those of other domains — among them kilome.co.ke, friendsanduru.org, beatussafarislimited.com and two more.
Each of the host names rs41.rcnoc.com, rs42.rcnoc.com, rs61.rcnoc.com and rs62.rcnoc.com has one IP address: rs41.rcnoc.com resolves to 84.16.251.118, rs42.rcnoc.com resolves to 84.16.251.97, rs61.rcnoc.com resolves to 84.16.251.118 and rs62.rcnoc.com resolves to 84.16.251.97.
rs41.rcnoc.com and rs61.rcnoc.com are host names that each point to 84.16.251.118 IP addresses.
rs42.rcnoc.com and rs62.rcnoc.com are host names that each point to 84.16.251.97 IP addresses.
Mail Servers
developercrucible.com has a single mail server: developercrucible.com itself.
developercrucible.com resolves to a single IP number: 84.16.251.118.