mail.rubydevelop.com - dns.ninja
mail.rubydevelop.com
rubydevelop.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:41d0:800:2bc7:c917:7eb:3c30:76ba🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| NS | dns1.p18.nsone.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | dns2.p19.nsone.net ⚠️ Not in parent delegation | ||||||
| NS | dns3.p14.nsone.net ⚠️ Not in parent delegation | ||||||
| NS | dns4.p19.nsone.net ⚠️ Not in parent delegation | ||||||
| NS | ns1.rubydevelop.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.rubydevelop.com ⚠️ Not in zone NS records | ||||||
| MX | mx.rubydevelop.com ⭐ | ||||||
| TXT | v=spf1 ip6:2001:41d0:800:2bc7:b1ba:93b5:1c12:d35d ip6:2001:41d0:800:2bc7:f828... | ||||||
| SOA | dns1.p18.nsone.nethostmaster@nsone.net serial=1950051976 | ||||||
Previously MX for
Same first word
Similar names
Previous names
Next names
DNS History
2 records (1 active, 1 former)
○A51.79.33.392026-03-30 → 2026-04-16 · 4 obs
● 2026-04-16 19:55:26
○ 2026-05-11 08:20:32
○ 2026-09-05 20:16:54
●CNAMErubydevelop.com2026-07-09 → 2026-09-05 · 2 obs
● 2026-09-05 20:16:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| rubydevelop.com | ns1.rubydevelop.com, ns2.rubydevelop.com | 2 records |
✅ Authoritative Response
Server:51.89.194.199
NS records: ns1.rubydevelop.com, ns2.rubydevelop.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rubydevelop.com (unsigned zone)
⏱️ Timing
Total: 739ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | rubydevelop.com |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.rubydevelop.com, ns2.rubydevelop.com)
Analysis
IP Addresses
mail.rubydevelop.com points to a single IP number: 2001:41d0:800:2bc7:c917:7eb:3c30:76ba.
Other host names, among them rubydevelop.com and mx.rubydevelop.com, have IP numbers in common with mail.rubydevelop.com.
Name Servers
mail.rubydevelop.com is served by 6 authoritative name servers — among them ns1.rubydevelop.com, ns2.rubydevelop.com, dns3.p14.nsone.net and 3 others.
At least some of mail.rubydevelop.com's name servers are shared with other domains, for example ajhdl.org, kalvexian.com, roundrockscroll.com and two more.
These name servers tend to co-occur with dns4.p19.nsone.net, dns1.p18.nsone.net, dns2.p19.nsone.net and 7 other name servers in the same DNS delegations.
Four hostnames, each resolving to a pair of IP addresses: dns3.p14.nsone.net directs to 198.51.44.78 and 2620:4d:4000:6259:7:14:0:3; dns1.p18.nsone.net directs to 198.51.44.18 and 2620:4d:4000:6259:7:18:0:1; dns2.p19.nsone.net directs to 198.51.45.19 and 2a00:edc0:6259:7:19::2; dns4.p19.nsone.net directs to 198.51.45.83 and 2a00:edc0:6259:7:19::4.
Mail Servers
mail.rubydevelop.com has one mail server: mx.rubydevelop.com.
mail.rubydevelop.com shares its mail server setup with other domains, such as rubydevelop.com.
mx.rubydevelop.com carries a single IP number, which is 2001:41d0:800:2bc7:c917:7eb:3c30:76ba.