osdev.org - dns.ninja

osdev.org

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:458d🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:d11d🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.69.141Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.209.29🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSindie.ns.cloudflare.com
A2606:4700:50::a29f:26a3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRindie.ns.cloudflare.com
A2803:f800:50::6ca2:c2a3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRindie.ns.cloudflare.com
A2a06:98c1:50::ac40:22a3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRindie.ns.cloudflare.com
A108.162.194.163🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRindie.ns.cloudflare.com
A162.159.38.163Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRindie.ns.cloudflare.com
A172.64.34.163🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRindie.ns.cloudflare.com
NSotto.ns.cloudflare.com
A2606:4700:58::a29f:2c87🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRotto.ns.cloudflare.com
A2803:f800:50::6ca2:c387🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRotto.ns.cloudflare.com
A2a06:98c1:50::ac40:2387🇺🇸 Cloudflare2a06:98c1:50::/45
PTRotto.ns.cloudflare.com
A108.162.195.135🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRotto.ns.cloudflare.com
A162.159.44.135Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRotto.ns.cloudflare.com
A172.64.35.135🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRotto.ns.cloudflare.com
MXaspmx.l.google.com
A2607:f8b0:4004:c23::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadrs-in-f27.1e100.net
A172.253.115.27🇺🇸 Google172.253.115.0/24
PTRbg-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(10)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(10)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
TXTgoogle-site-verification=qqGZDC_jkC0VkBLdC5Nb9d4KFQISB-dzxlnIId2DI0E
TXTv=spf1 include:aspmx.googlemail.com include:rp.oracleemaildelivery.com includ...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.69.141, 172.67.209.29
IPv6 hints2606:4700:3034::6815:458d, 2606:4700:3036::ac43:d11d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com
SOAindie.ns.cloudflare.comdns@cloudflare.com serial=2405480161

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1781424744
rank #29196 globally
rank #3276 in the tld
WOT: SAFE (87/100)
📈 Tranco rank: #78,288

Subdomains

Same first word

Similar names

DNS History

21 records (11 active, 10 former)

20162017201820192020202120222023202420252026NSindie.ns.cloudflare.comotto.ns.cloudflare.comdns1.registrar-servers.comdns2.registrar-servers.comdns3.registrar-servers.comdns4.registrar-servers.comdns5.registrar-servers.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comsmtp.osdev.orgA104.21.69.141172.67.209.292606:4700:3034::6815:458d2606:4700:3036::ac43:d11d162.255.119.248162.255.119.250173.255.206.39192.64.119.30
NSdns1.registrar-servers.com2015-08-10 → 2021-05-25 · 4 obs
● 2015-08-10 21:06:32
● 2021-05-25 19:12:12
○ 2026-02-21 18:09:16
○ 2026-06-14 08:26:16
NSdns2.registrar-servers.com2015-08-10 → 2021-05-25 · 4 obs
● 2015-08-10 21:06:32
● 2021-05-25 19:12:12
○ 2026-02-21 18:09:16
○ 2026-06-14 08:26:16
NSdns3.registrar-servers.com2015-08-10 → 2016-07-16 · 4 obs
● 2015-08-10 21:06:32
● 2016-07-16 16:39:40
○ 2016-09-27 00:01:20
○ 2026-06-14 08:26:16
NSdns4.registrar-servers.com2015-08-10 → 2016-07-16 · 4 obs
● 2015-08-10 21:06:32
● 2016-07-16 16:39:40
○ 2016-09-27 00:01:20
○ 2026-06-14 08:26:16
NSdns5.registrar-servers.com2015-08-10 → 2016-07-16 · 4 obs
● 2015-08-10 21:06:32
● 2016-07-16 16:39:40
○ 2016-09-27 00:01:20
○ 2026-06-14 08:26:16
NSindie.ns.cloudflare.com2026-02-21 → 2026-06-14 · 3 obs
○ 2021-05-25 19:12:12
● 2026-02-21 18:09:16
● 2026-06-14 08:26:16
NSotto.ns.cloudflare.com2026-02-21 → 2026-06-14 · 3 obs
○ 2021-05-25 19:12:12
● 2026-02-21 18:09:16
● 2026-06-14 08:26:16
MXalt1.aspmx.l.google.com2015-08-10 → 2026-06-14 · 2 obs
● 2015-08-10 21:06:32
● 2026-06-14 08:26:16
MXalt2.aspmx.l.google.com2015-08-10 → 2026-06-14 · 2 obs
● 2015-08-10 21:06:32
● 2026-06-14 08:26:16
MXaspmx.l.google.com2015-08-10 → 2026-06-14 · 2 obs
● 2015-08-10 21:06:32
● 2026-06-14 08:26:16
MXaspmx2.googlemail.com2015-08-10 → 2026-06-14 · 2 obs
● 2015-08-10 21:06:32
● 2026-06-14 08:26:16
MXaspmx3.googlemail.com2015-08-10 → 2026-06-14 · 2 obs
● 2015-08-10 21:06:32
● 2026-06-14 08:26:16
MXsmtp.osdev.org2015-08-10 → 2021-05-25 · 4 obs
● 2015-08-10 21:06:32
● 2021-05-25 19:12:12
○ 2026-02-21 18:09:16
○ 2026-06-14 08:26:16
A104.21.69.1412026-02-21 → 2026-06-14 · 3 obs
○ 2021-05-25 19:12:12
● 2026-02-21 18:09:16
● 2026-06-14 08:26:16
A162.255.119.2482016-09-27 → 2017-01-12 · 5 obs
○ 2016-07-16 16:39:40
● 2016-09-27 00:01:20
● 2017-01-12 05:54:46
○ 2021-05-25 19:12:12
○ 2026-06-14 08:26:16
A162.255.119.2502016-04-21 → 2016-07-16 · 5 obs
○ 2016-02-02 20:30:54
● 2016-04-21 20:30:14
● 2016-07-16 16:39:40
○ 2016-09-27 00:01:20
○ 2026-06-14 08:26:16
A172.67.209.292026-02-21 → 2026-06-14 · 3 obs
○ 2021-05-25 19:12:12
● 2026-02-21 18:09:16
● 2026-06-14 08:26:16
A173.255.206.392021-05-25 → 2021-05-25 · 4 obs
○ 2017-01-12 05:54:46
● 2021-05-25 19:12:12
○ 2026-02-21 18:09:16
○ 2026-06-14 08:26:16
A192.64.119.302015-08-10 → 2016-02-02 · 4 obs
● 2015-08-10 21:06:32
● 2016-02-02 20:30:54
○ 2016-04-21 20:30:14
○ 2026-06-14 08:26:16
A2606:4700:3034::6815:458d2026-02-21 → 2026-06-14 · 3 obs
○ 2021-05-25 19:12:12
● 2026-02-21 18:09:16
● 2026-06-14 08:26:16
A2606:4700:3036::ac43:d11d2026-02-21 → 2026-06-14 · 3 obs
○ 2021-05-25 19:12:12
● 2026-02-21 18:09:16
● 2026-06-14 08:26:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
osdev.orgotto.ns.cloudflare.com, indie.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.135

NS records: otto.ns.cloudflare.com, indie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osdev.org (unsigned zone)

⏱️ Timing

Total: 332ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.69.141, 172.67.209.29
AAAA22606:4700:3036::ac43:d11d, 2606:4700:3034::6815:458d
NS2indie.ns.cloudflare.com, otto.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...
TXT2google-site-verification=qqGZDC_jkC0VkBL, v=spf1 include:aspmx.googlemail.com incl
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1indie.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 four IP numbers: 104.21.69.141, 172.67.209.29, 2606:4700:3034::6815:458d and 2606:4700:3036::ac43:d11d.

Two other host names, along with adizowi.top, bricky.ca and blog.americanheritage1.com, 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 the same name server setup with other domains, for instance amanthukral.com and cedimaips.com.

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 ben.ns.cloudflare.com, lilyana.ns.cloudflare.com and dax.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 108.177.123.26 and 2800:3f0:4003:c0f::1b.

The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

The A records for aspmx.l.google.com return 172.253.115.27 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.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 108.177.123.26 IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.26 IP addresses.