buildroot.org - dns.ninja

buildroot.org

DNSSEC⚠️ Not signed
A2a01:4f8:173:1526::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A138.201.205.61🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4
NShydrogen.ns.hetzner.com ⭐
A2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRhydrogen.ns.hetzner.com
A213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRhydrogen.ns.hetzner.com
NShelium.ns.hetzner.de
A2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRhelium.ns.hetzner.de
A193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRhelium.ns.hetzner.de
NSoxygen.ns.hetzner.com
A2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRoxygen.ns.hetzner.com
A88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRoxygen.ns.hetzner.com
MXsmtp1.osuosl.org ⭐
A2605:bc80:3010::138🇺🇸 LINK-OREGON2605:bc80::/32 University of Oregon
PTRsmtp1.osuosl.org
A140.211.166.138🇺🇸 LINK-OREGON140.211.0.0/16 University of Oregon
PTRsmtp1.osuosl.org
MXsmtp2.osuosl.org ⭐
A2605:bc80:3010::133🇺🇸 LINK-OREGON2605:bc80::/32 University of Oregon
PTRsmtp2.osuosl.org
A140.211.166.133🇺🇸 LINK-OREGON140.211.0.0/16 University of Oregon
PTRsmtp2.osuosl.org
MXsmtp3.osuosl.org ⭐
A2605:bc80:3010::136🇺🇸 LINK-OREGON2605:bc80::/32 University of Oregon
PTRsmtp3.osuosl.org
A140.211.166.136🇺🇸 LINK-OREGON140.211.0.0/16 University of Oregon
PTRsmtp3.osuosl.org
MXsmtp4.osuosl.org ⭐
A2605:bc80:3010::137🇺🇸 LINK-OREGON2605:bc80::/32 University of Oregon
PTRsmtp4.osuosl.org
A140.211.166.137🇺🇸 LINK-OREGON140.211.0.0/16 University of Oregon
PTRsmtp4.osuosl.org
TXTv=spf1 mx include:_spf.osuosl.org -all
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-08-01 #1

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=1786619212
rank #66182 globally
rank #6855 in the tld
WOT: SAFE (64/100)
📈 Tranco rank: #198,959

Subdomains

srv01.buildroot.org
git.buildroot.org
bugs.buildroot.org
www.buildroot.org

Same first word

buildroot.org
buildroot.com
buildroot.net

Similar names

doorbuilt.com
rootbuild.com
torobuild.com
turboloid.com
lubritodo.co

DNS History

16 records (9 active, 7 former)

20162017201820192020202120222023202420252026NShelium.ns.hetzner.dehydrogen.ns.hetzner.comoxygen.ns.hetzner.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXsmtp1.osuosl.orgsmtp2.osuosl.orgsmtp3.osuosl.orgsmtp4.osuosl.orgA138.201.205.612a01:4f8:173:1526::2140.211.167.122140.211.167.224
●NShelium.ns.hetzner.de2026-04-02 → 2026-08-13 · 3 obs
○ 2017-04-24 20:06:36
● 2026-04-02 21:13:22
● 2026-08-13 11:39:38
●NShydrogen.ns.hetzner.com2026-04-02 → 2026-08-13 · 3 obs
○ 2017-04-24 20:06:36
● 2026-04-02 21:13:22
● 2026-08-13 11:39:38
○NSns1.gratisdns.dk2015-06-11 → 2017-04-24 · 4 obs
● 2015-06-11 15:22:02
● 2017-04-24 20:06:36
○ 2026-04-02 21:13:22
○ 2026-08-13 11:39:38
○NSns2.gratisdns.dk2015-06-11 → 2017-04-24 · 4 obs
● 2015-06-11 15:22:02
● 2017-04-24 20:06:36
○ 2026-04-02 21:13:22
○ 2026-08-13 11:39:38
○NSns3.gratisdns.dk2015-06-11 → 2017-04-24 · 4 obs
● 2015-06-11 15:22:02
● 2017-04-24 20:06:36
○ 2026-04-02 21:13:22
○ 2026-08-13 11:39:38
○NSns4.gratisdns.dk2015-06-11 → 2017-04-24 · 4 obs
● 2015-06-11 15:22:02
● 2017-04-24 20:06:36
○ 2026-04-02 21:13:22
○ 2026-08-13 11:39:38
○NSns5.gratisdns.dk2015-06-11 → 2017-04-24 · 4 obs
● 2015-06-11 15:22:02
● 2017-04-24 20:06:36
○ 2026-04-02 21:13:22
○ 2026-08-13 11:39:38
●NSoxygen.ns.hetzner.com2026-04-02 → 2026-08-13 · 3 obs
○ 2017-04-24 20:06:36
● 2026-04-02 21:13:22
● 2026-08-13 11:39:38
●MXsmtp1.osuosl.org2015-06-11 → 2026-08-13 · 2 obs
● 2015-06-11 15:22:02
● 2026-08-13 11:39:38
●MXsmtp2.osuosl.org2015-06-11 → 2026-08-13 · 2 obs
● 2015-06-11 15:22:02
● 2026-08-13 11:39:38
●MXsmtp3.osuosl.org2015-06-11 → 2026-08-13 · 2 obs
● 2015-06-11 15:22:02
● 2026-08-13 11:39:38
●MXsmtp4.osuosl.org2015-06-11 → 2026-08-13 · 2 obs
● 2015-06-11 15:22:02
● 2026-08-13 11:39:38
●A138.201.205.612026-04-02 → 2026-08-13 · 3 obs
○ 2017-04-24 20:06:36
● 2026-04-02 21:13:22
● 2026-08-13 11:39:38
○A140.211.167.1222016-08-08 → 2017-04-24 · 5 obs
○ 2016-03-25 12:52:06
● 2016-08-08 19:47:56
● 2017-04-24 20:06:36
○ 2026-04-02 21:13:22
○ 2026-08-13 11:39:38
○A140.211.167.2242015-06-11 → 2016-03-25 · 4 obs
● 2015-06-11 15:22:02
● 2016-03-25 12:52:06
○ 2016-08-08 19:47:56
○ 2026-08-13 11:39:38
●A2a01:4f8:173:1526::22026-04-02 → 2026-08-13 · 3 obs
○ 2017-04-24 20:06:36
● 2026-04-02 21:13:22
● 2026-08-13 11:39:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
buildroot.orgoxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de-

✅ Authoritative Response

Server:88.198.229.192

NS records: oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buildroot.org (unsigned zone)

⏱️ Timing

Total: 764ms | Queries: -

📄 Records

TypeCountSample Data
A1138.201.205.61
AAAA12a01:4f8:173:1526::2
NS3hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com...
MX4smtp1.osuosl.org (pri: 10), smtp2.osuosl.org (pri: 10)...
TXT1v=spf1 mx include:_spf.osuosl.org -all
SOA1hydrogen.ns.hetzner.com dns.hetzner.com

Analysis

Hierarchy

buildroot.org is the parent domain of srv01.buildroot.org, git.buildroot.org, bugs.buildroot.org and www.buildroot.org.

IP Addresses

buildroot.org directs to two IP numbers, 138.201.205.61 and 2a01:4f8:173:1526::2

buildroot.org shares its IP numbers with other host names like buildroot.net, srv01.buildroot.org and static.61.205.201.138.clients.your-server.de.

Name Servers

buildroot.org carries NS records delegating to hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

buildroot.org shares at least some of its name servers with other domains, including goe-db.de, 4cheating.de, paradoxon.info and two others.

These name servers are frequently paired with the name servers ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de.

hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de are three hostnames that each resolve to a pair of IP addresses: hydrogen.ns.hetzner.com to 213.133.100.98 and 2a01:4f8:0:1::add:1098, oxygen.ns.hetzner.com to 88.198.229.192 and 2a01:4f8:0:1::add:2992, and helium.ns.hetzner.de to 193.47.99.5 and 2001:67c:192c::add:5.

Mail Servers

Four mail servers handle email for buildroot.org: smtp1.osuosl.org, smtp2.osuosl.org, smtp3.osuosl.org and smtp4.osuosl.org.

buildroot.org has at least partial mail server overlap with other domains such as driverdev.osuosl.org, buildroot.net, deluge-torrent.org and two more.

The host names smtp1.osuosl.org, smtp2.osuosl.org, smtp3.osuosl.org and smtp4.osuosl.org each resolve to two IP addresses: smtp1.osuosl.org resolves to 140.211.166.138 and 2605:bc80:3010::138; smtp2.osuosl.org resolves to 140.211.166.133 and 2605:bc80:3010::133; smtp3.osuosl.org resolves to 140.211.166.136 and 2605:bc80:3010::136; smtp4.osuosl.org resolves to 140.211.166.137 and 2605:bc80:3010::137.