dev51.io - dns.ninja
dev51.io
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1784520909 | ||||||
Subdomains
www.dev51.io |
Same first word
Similar names
DNS History
11 records (10 active, 1 former)
●NSns-1206.awsdns-22.org2015-06-14 → 2026-07-20 · 2 obs
● 2026-07-20 04:21:44
●NSns-1945.awsdns-51.co.uk2015-06-14 → 2026-07-20 · 2 obs
● 2026-07-20 04:21:44
●NSns-809.awsdns-37.net2015-06-14 → 2026-07-20 · 2 obs
● 2026-07-20 04:21:44
●NSns-99.awsdns-12.com2015-06-14 → 2026-07-20 · 2 obs
● 2026-07-20 04:21:44
●MXalt1.aspmx.l.google.com2015-06-14 → 2026-07-20 · 2 obs
● 2026-07-20 04:21:44
●MXalt2.aspmx.l.google.com2015-06-14 → 2026-07-20 · 2 obs
● 2026-07-20 04:21:44
●MXalt3.aspmx.l.google.com2015-06-14 → 2026-07-20 · 2 obs
● 2026-07-20 04:21:44
●MXalt4.aspmx.l.google.com2015-06-14 → 2026-07-20 · 2 obs
● 2026-07-20 04:21:44
●MXaspmx.l.google.com2015-06-14 → 2026-07-20 · 2 obs
● 2026-07-20 04:21:44
○A146.185.190.1982015-06-14 → 2017-07-26 · 4 obs
● 2017-07-26 22:45:16
○ 2017-08-06 03:01:10
○ 2026-07-20 04:21:44
●A51.254.143.2272017-08-06 → 2026-07-20 · 3 obs
● 2017-08-06 03:01:10
● 2026-07-20 04:21:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, a0.nic.io, c0.nic.io, b0.nic.io | - |
| dev51.io | ns-99.awsdns-12.com, ns-809.awsdns-37.net, ns-1206.awsdns-22.org, ns-1945.awsdns-51.co.uk | - |
✅ Authoritative Response
Server:205.251.192.99
NS records: ns-99.awsdns-12.com, ns-809.awsdns-37.net, ns-1206.awsdns-22.org, ns-1945.awsdns-51.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dev51.io (unsigned zone)
⏱️ Timing
Total: 438ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.254.143.227 |
| NS | 4 | ns-1206.awsdns-22.org, ns-1945.awsdns-51.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 6 | MS=ms41280817, alertify-verify=W8ENgt0awasg7NK7cMaQtol1... |
| SOA | 1 | ns-99.awsdns-12.com hostmaster.dev51.io |
Analysis
Hierarchy
www.dev51.io is a subdomain of dev51.io.
IP Addresses
dev51.io resolves to one IP address: 51.254.143.227.
Other host names — ecom.tools, dev51.tools, unknown.software and 227.ip-51-254-143.eu — share IP numbers with dev51.io.
Name Servers
The authoritative name servers for dev51.io are ns-99.awsdns-12.com, ns-809.awsdns-37.net, ns-1206.awsdns-22.org and ns-1945.awsdns-51.co.uk.
The name servers of dev51.io overlap at least partially with those of other domains — among them rainpfl.com, goodgameempire.tv, d25vkp2xfmtyl4.cloudfront.net and two more.
Each of the four hosts ns-99.awsdns-12.com, ns-809.awsdns-37.net, ns-1206.awsdns-22.org and ns-1945.awsdns-51.co.uk has two IP addresses. ns-99.awsdns-12.com points to 205.251.192.99 and 2600:9000:5300:6300::1. ns-809.awsdns-37.net points to 205.251.195.41 and 2600:9000:5303:2900::1. ns-1206.awsdns-22.org points to 205.251.196.182 and 2600:9000:5304:b600::1. ns-1945.awsdns-51.co.uk points to 205.251.199.153 and 2600:9000:5307:9900::1.
Mail Servers
dev51.io has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
dev51.io has at least partial mail server overlap with other domains such as silkroadspices.ca, penbeta.com, alfocode.com and two more.
The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.
Hostnames that resolve to two IP addresses:
aspmx.l.google.com points to 173.194.45.26 and 2607:f8b0:4004:c1b::1a.
alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1a.