osdev.org - dns.ninja
osdev.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1786003889 | ||||||
rank #3247 in the tld
WOT: SAFE (87/100)
📈 Tranco rank: #65,703
Subdomains
Same first word
osdev.ru |
osdev.info |
osdev.fr |
osdev.pl |
osdev.com |
osdev.net |
osdev.nl |
osdev.org |
osdev.de |
osdev.wiki |
osdev.co |
osdev.co.th |
osdev.me |
Similar names
DNS History
23 records (11 active, 12 former)
○NSdns1.registrar-servers.com2015-08-10 → 2021-05-25 · 4 obs
● 2021-05-25 19:12:12
○ 2026-02-21 18:09:16
○ 2026-08-06 08:50:48
○NSdns2.registrar-servers.com2015-08-10 → 2021-05-25 · 4 obs
● 2021-05-25 19:12:12
○ 2026-02-21 18:09:16
○ 2026-08-06 08:50:48
○NSdns3.registrar-servers.com2015-08-10 → 2016-07-16 · 4 obs
● 2016-07-16 16:39:40
○ 2016-09-27 00:01:20
○ 2026-08-06 08:50:48
○NSdns4.registrar-servers.com2015-08-10 → 2016-07-16 · 4 obs
● 2016-07-16 16:39:40
○ 2016-09-27 00:01:20
○ 2026-08-06 08:50:48
○NSdns5.registrar-servers.com2015-08-10 → 2016-07-16 · 4 obs
● 2016-07-16 16:39:40
○ 2016-09-27 00:01:20
○ 2026-08-06 08:50:48
●NSindie.ns.cloudflare.com2026-02-21 → 2026-08-06 · 3 obs
● 2026-02-21 18:09:16
● 2026-08-06 08:50:48
●NSotto.ns.cloudflare.com2026-02-21 → 2026-08-06 · 3 obs
● 2026-02-21 18:09:16
● 2026-08-06 08:50:48
●MXalt1.aspmx.l.google.com2015-08-10 → 2026-08-06 · 2 obs
● 2026-08-06 08:50:48
●MXalt2.aspmx.l.google.com2015-08-10 → 2026-08-06 · 2 obs
● 2026-08-06 08:50:48
●MXaspmx.l.google.com2015-08-10 → 2026-08-06 · 2 obs
● 2026-08-06 08:50:48
●MXaspmx2.googlemail.com2015-08-10 → 2026-08-06 · 2 obs
● 2026-08-06 08:50:48
●MXaspmx3.googlemail.com2015-08-10 → 2026-08-06 · 2 obs
● 2026-08-06 08:50:48
○MXsmtp.osdev.org2015-08-10 → 2021-05-25 · 4 obs
● 2021-05-25 19:12:12
○ 2026-02-21 18:09:16
○ 2026-08-06 08:50:48
●A104.21.69.1412026-02-21 → 2026-08-06 · 3 obs
● 2026-02-21 18:09:16
● 2026-08-06 08:50:48
○A162.255.119.2482016-09-27 → 2017-01-12 · 5 obs
● 2016-09-27 00:01:20
● 2017-01-12 05:54:46
○ 2021-05-25 19:12:12
○ 2026-08-06 08:50:48
○A162.255.119.2502016-04-21 → 2016-07-16 · 5 obs
● 2016-04-21 20:30:14
● 2016-07-16 16:39:40
○ 2016-09-27 00:01:20
○ 2026-08-06 08:50:48
●A172.67.209.292026-02-21 → 2026-08-06 · 3 obs
● 2026-02-21 18:09:16
● 2026-08-06 08:50:48
○A173.255.206.392021-05-25 → 2021-05-25 · 4 obs
● 2021-05-25 19:12:12
○ 2026-02-21 18:09:16
○ 2026-08-06 08:50:48
○A192.64.119.302015-08-10 → 2016-02-02 · 4 obs
● 2016-02-02 20:30:54
○ 2016-04-21 20:30:14
○ 2026-08-06 08:50:48
●A2606:4700:3031::6815:458d2026-07-13 → 2026-08-06 · 3 obs
● 2026-07-13 19:38:38
● 2026-08-06 08:50:48
○A2606:4700:3034::6815:458d2026-02-21 → 2026-02-21 · 4 obs
● 2026-02-21 18:09:16
○ 2026-07-13 19:38:38
○ 2026-08-06 08:50:48
●A2606:4700:3034::ac43:d11d2026-07-13 → 2026-08-06 · 3 obs
● 2026-07-13 19:38:38
● 2026-08-06 08:50:48
○A2606:4700:3036::ac43:d11d2026-02-21 → 2026-02-21 · 4 obs
● 2026-02-21 18:09:16
○ 2026-07-13 19:38:38
○ 2026-08-06 08:50:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| osdev.org | indie.ns.cloudflare.com, otto.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.163
NS records: indie.ns.cloudflare.com, otto.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for osdev.org (unsigned zone)
⏱️ Timing
Total: 593ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.209.29, 104.21.69.141 |
| AAAA | 2 | 2606:4700:3031::6815:458d, 2606:4700:3034::ac43:d11d |
| NS | 2 | indie.ns.cloudflare.com, otto.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| TXT | 2 | google-site-verification=qqGZDC_jkC0VkBL, v=spf1 include:aspmx.googlemail.com incl |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | indie.ns.cloudflare.com dns.cloudflare.c |
Analysis
Hierarchy
The host names blog.osdev.org, www.osdev.org, wiki.osdev.org, f.osdev.org and smtp.osdev.org — among a few others — fall under the parent domain osdev.org.
IP Addresses
osdev.org points to the four IP addresses 104.21.69.141, 172.67.209.29, 2606:4700:3031::6815:458d and 2606:4700:3034::ac43:d11d.
Two other host names, along with adizowi.top, bricky.ca and 66zhushou.cn, also share IP numbers with osdev.org.
Name Servers
The NS records for osdev.org delegate to indie.ns.cloudflare.com and otto.ns.cloudflare.com.
osdev.org shares its NS records with other domains, for example amanthukral.com, aussiecasinostays.com, cedimaips.com and two others.
At least some of osdev.org's name servers are shared with other domains, for example 233.33.199.in-addr.arpa, inproin.com.co, cityofgloversvilleny.gov and two more.
It is common for these name servers to be used in conjunction with the name servers lilyana.ns.cloudflare.com, dax.ns.cloudflare.com and ben.ns.cloudflare.com.
DNS names with 6 IP addresses:
indie.ns.cloudflare.com maps to 108.162.194.163, 162.159.38.163, 172.64.34.163 and 3 additional IP addresses.
otto.ns.cloudflare.com maps to 108.162.195.135, 162.159.44.135, 172.64.35.135 and 3 additional IP addresses.
Mail Servers
osdev.org has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between osdev.org and other domains, including olymdia.com, hearky.com, aisplac.com.ar and two others.
These mail servers tend to appear in combination with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
The A records for aspmx2.googlemail.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.
The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.
The A records for aspmx.l.google.com return 142.251.16.27 and 2607:f8b0:4004:c23::1b.
The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1b IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.26 IP addresses.