osdev.co - dns.ninja
osdev.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759685386 | ||||||
Same first word
osdev.com |
osdev.net |
osdev.nl |
osdev.org |
osdev.cn |
osdev.de |
osdev.wiki |
osdev.co |
osdev.it |
osdev.co.th |
osdev.me |
osdev.ru |
osdev.info |
osdev.fr |
osdev.pl |
Similar names
DNS History
11 records (8 active, 3 former)
○NSghs.google.com2015-07-26 → 2016-04-05 · 4 obs
● 2016-04-05 19:13:26
○ 2017-04-18 22:23:38
○ 2026-06-18 21:58:34
●NSns09.domaincontrol.com2015-07-26 → 2026-06-18 · 2 obs
● 2026-06-18 21:58:34
●NSns10.domaincontrol.com2015-07-26 → 2026-06-18 · 2 obs
● 2026-06-18 21:58:34
●MXalt1.aspmx.l.google.com2015-07-26 → 2026-06-18 · 2 obs
● 2026-06-18 21:58:34
●MXalt2.aspmx.l.google.com2015-07-26 → 2026-06-18 · 2 obs
● 2026-06-18 21:58:34
●MXalt3.aspmx.l.google.com2026-03-23 → 2026-06-18 · 3 obs
● 2026-03-23 01:24:36
● 2026-06-18 21:58:34
●MXalt4.aspmx.l.google.com2026-03-23 → 2026-06-18 · 3 obs
● 2026-03-23 01:24:36
● 2026-06-18 21:58:34
●MXaspmx.l.google.com2015-07-26 → 2026-06-18 · 2 obs
● 2026-06-18 21:58:34
○MXaspmx2.googlemail.com2015-07-26 → 2017-04-18 · 4 obs
● 2017-04-18 22:23:38
○ 2026-03-23 01:24:36
○ 2026-06-18 21:58:34
○MXaspmx3.googlemail.com2015-07-26 → 2017-04-18 · 4 obs
● 2017-04-18 22:23:38
○ 2026-03-23 01:24:36
○ 2026-06-18 21:58:34
●A203.146.140.2162015-07-26 → 2026-06-18 · 2 obs
● 2026-06-18 21:58:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| osdev.co | ns10.domaincontrol.com, ns09.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.104.5
NS records: ns10.domaincontrol.com, ns09.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for osdev.co (unsigned zone)
⏱️ Timing
Total: 460ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.146.140.216 |
| NS | 2 | ns09.domaincontrol.com, ns10.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 3 | google-site-verification=HxO7YHEN6nF466l, v=spf1 include:dc-aa8e722993._spfm.osdev... |
| SOA | 1 | ns09.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
osdev.co has exactly one IP address — 203.146.140.216.
Name Servers
osdev.co uses two name servers for its delegation: ns09.domaincontrol.com and ns10.domaincontrol.com.
The name server configuration of osdev.co is shared with other domains, for instance yuseph.com, rkna.net, sunflowersoccer.org and two others.
The two host names ns09.domaincontrol.com and ns10.domaincontrol.com each have a pair of IP addresses: ns09.domaincontrol.com has 97.74.104.5 and 2603:5:2180::5, and ns10.domaincontrol.com has 173.201.72.5 and 2603:5:2280::5.
Mail Servers
osdev.co is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by osdev.co are shared with other domains: tbarpatio.com, pma.si, heliosglobaltech.com and two others among them.
These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com directs traffic to 142.251.163.26 and 2607:f8b0:4004:c09::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.