opensource.builders - dns.ninja

opensource.builders

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:a5cd🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:49c6🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.198Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.165.205🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlovisa.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2627🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlovisa.ns.cloudflare.com
A2803:f800:50::6ca2:c227🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlovisa.ns.cloudflare.com
A2a06:98c1:50::ac40:2227🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlovisa.ns.cloudflare.com
A108.162.194.39🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlovisa.ns.cloudflare.com
A162.159.38.39Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlovisa.ns.cloudflare.com
A172.64.34.39🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlovisa.ns.cloudflare.com
NSpatryk.ns.cloudflare.com
A2606:4700:58::a29f:2c7a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
A2803:f800:50::6ca2:c37a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpatryk.ns.cloudflare.com
A2a06:98c1:50::ac40:237a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpatryk.ns.cloudflare.com
A108.162.195.122🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
A162.159.44.122Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
A172.64.35.122🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.198, 172.67.165.205
IPv6 hints2606:4700:3034::ac43:a5cd, 2606:4700:3037::6815:49c6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=212, name=cloudflare-ech.com
SOAlovisa.ns.cloudflare.comdns@cloudflare.com serial=2408200601

builders

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.builders ⭐
NSv0n1.nic.builders
NSv0n2.nic.builders
NSv0n3.nic.builders
NSv2n0.nic.builders
NSv2n1.nic.builders
SOAv0n0.nic.buildershostmaster@donuts.email serial=1785610052
rank #743210 globally
rank #4 in the tld
WOT: SAFE (62/100)
⚠️ On DNS blocklist: spam-tlds

Subdomains

www.opensource.builders

Same first word

opensource.pl
opensource.guide
opensource.co.jp
opensource.cafe
opensource.dk
opensource.ca
opensource.org.my
opensource.se
opensource.services
opensource.rs
opensource.org
opensource.expert
opensource.photography
opensource.at
opensource.bar
opensource.mobi
opensource.computer
opensource.business
opensource.azurefd.net
opensource.sa
opensource.systems
opensource.mt
opensource.fit
opensource.builders
opensource.is
opensource.institute
opensource.pt
opensource.my
opensource.io
opensource.ms
opensource.money
opensource.info
opensource.no
opensource.land
opensource.im
opensource.or.at
opensource.hk
opensource.engineering
opensource.ac.uk
opensource.to
opensource.events
opensource.cc
opensource.house
opensource.guru
opensource.day
opensource.ac.cn
opensource.gr
opensource.capital
opensource.com.vn
opensource.de
opensource.net.my
opensource.ch
opensource.aws
opensource.pw
opensource.gr.jp
opensource.net
opensource.co.ke
opensource.ec
opensource.cool
opensource.center
opensource.be
opensource.sn
opensource.lk
opensource.com
opensource.agency
opensource.es
opensource.jp
opensource.ro
opensource.google
opensource.sg
opensource.joburg
opensource.clothing
opensource.how
opensource.international
opensource.news
opensource.gov
opensource.ae
opensource.co.uk
opensource.com.br
opensource.ie
opensource.bg
opensource.it
opensource.tn
opensource.zone
opensource.care
opensource.id
opensource.bio

Similar names

neuroscope.co
reecoupons.com
sourceopen.org
opencourse.co.uk
superecono.com
opencourse.it
coopeneurs.com
opencourse.net
opencourse.fr
econosuper.com.mx
sourceopen.com
superecono.ca
opencourse.com
opencourse.info
opencourse.kr
opencourse.co
opencourse.org
neuroscope.net
neuroscope.org
neuroscope.ca
opencourse.ru
opencourse.de

DNS History

19 records (6 active, 13 former)

2017201820192020202120222023202420252026NSlovisa.ns.cloudflare.compatryk.ns.cloudflare.comns.parktons.comns2.parktons.comA104.21.73.198172.67.165.2052606:4700:3034::ac43:a5cd2606:4700:3037::6815:49c6172.64.80.1185.28.193.192188.114.96.0188.114.97.02606:4700:130:436c:6f75:6466:6c61:72652606:4700:3030::6815:49c62606:4700:3031::ac43:a5cd2a06:98c1:3120::2a06:98c1:3121::31.170.178.179PTRvisit.keznews.com
●NSlovisa.ns.cloudflare.com2026-02-16 → 2026-08-01 · 3 obs
○ 2016-12-10 18:49:52
● 2026-02-16 04:13:14
● 2026-08-01 19:29:28
○NSns.parktons.com2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 18:49:52
○ 2026-02-16 04:13:14
○ 2026-08-01 19:29:28
○NSns2.parktons.com2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 18:49:52
○ 2026-02-16 04:13:14
○ 2026-08-01 19:29:28
●NSpatryk.ns.cloudflare.com2026-02-16 → 2026-08-01 · 3 obs
○ 2016-12-10 18:49:52
● 2026-02-16 04:13:14
● 2026-08-01 19:29:28
●A104.21.73.1982026-02-17 → 2026-08-01 · 9 obs
○ 2026-02-16 04:13:14
● 2026-02-17 23:35:32
● 2026-04-13 09:39:22
○ 2026-04-13 10:27:46
● 2026-04-24 16:49:48
● 2026-05-08 22:27:50
○ 2026-05-09 19:29:08
● 2026-05-10 16:23:14
● 2026-08-01 19:29:28
○A172.64.80.12026-02-16 → 2026-02-16 · 4 obs
○ 2016-12-10 18:49:52
● 2026-02-16 04:13:14
○ 2026-02-17 23:35:32
○ 2026-08-01 19:29:28
●A172.67.165.2052026-02-17 → 2026-08-01 · 9 obs
○ 2026-02-16 04:13:14
● 2026-02-17 23:35:32
● 2026-04-13 09:39:22
○ 2026-04-13 10:27:46
● 2026-04-24 16:49:48
● 2026-05-08 22:27:50
○ 2026-05-09 19:29:08
● 2026-05-10 16:23:14
● 2026-08-01 19:29:28
○A185.28.193.1922016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 18:49:52
○ 2026-02-16 04:13:14
○ 2026-08-01 19:29:28
○A188.114.96.02026-04-13 → 2026-05-09 · 7 obs
○ 2026-04-13 09:39:22
● 2026-04-13 10:27:46
○ 2026-04-24 16:49:48
○ 2026-05-08 22:27:50
● 2026-05-09 19:29:08
○ 2026-05-10 16:23:14
○ 2026-08-01 19:29:28
○A188.114.97.02026-04-13 → 2026-05-09 · 7 obs
○ 2026-04-13 09:39:22
● 2026-04-13 10:27:46
○ 2026-04-24 16:49:48
○ 2026-05-08 22:27:50
● 2026-05-09 19:29:08
○ 2026-05-10 16:23:14
○ 2026-08-01 19:29:28
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-16 → 2026-03-18 · 7 obs
○ 2016-12-10 18:49:52
● 2026-02-16 04:13:14
○ 2026-02-17 23:35:32
○ 2026-03-10 02:47:38
● 2026-03-18 09:37:44
○ 2026-03-25 12:55:18
○ 2026-08-01 19:29:28
○A2606:4700:3030::6815:49c62026-02-17 → 2026-05-10 · 14 obs
○ 2026-02-16 04:13:14
● 2026-02-17 23:35:32
● 2026-03-10 02:47:38
○ 2026-03-18 09:37:44
● 2026-03-25 12:55:18
● 2026-04-08 12:04:28
○ 2026-04-13 09:39:22
○ 2026-04-13 10:27:46
● 2026-04-24 16:49:48
● 2026-05-08 22:27:50
○ 2026-05-09 19:29:08
● 2026-05-10 16:23:14
○ 2026-07-15 01:02:40
○ 2026-08-01 19:29:28
○A2606:4700:3031::ac43:a5cd2026-02-17 → 2026-05-10 · 14 obs
○ 2026-02-16 04:13:14
● 2026-02-17 23:35:32
● 2026-03-10 02:47:38
○ 2026-03-18 09:37:44
● 2026-03-25 12:55:18
● 2026-04-08 12:04:28
○ 2026-04-13 09:39:22
○ 2026-04-13 10:27:46
● 2026-04-24 16:49:48
● 2026-05-08 22:27:50
○ 2026-05-09 19:29:08
● 2026-05-10 16:23:14
○ 2026-07-15 01:02:40
○ 2026-08-01 19:29:28
●A2606:4700:3034::ac43:a5cd2026-07-15 → 2026-08-01 · 3 obs
○ 2026-05-10 16:23:14
● 2026-07-15 01:02:40
● 2026-08-01 19:29:28
●A2606:4700:3037::6815:49c62026-07-15 → 2026-08-01 · 3 obs
○ 2026-05-10 16:23:14
● 2026-07-15 01:02:40
● 2026-08-01 19:29:28
○A2a06:98c1:3120::2026-04-13 → 2026-05-09 · 8 obs
○ 2026-04-08 12:04:28
● 2026-04-13 09:39:22
● 2026-04-13 10:27:46
○ 2026-04-24 16:49:48
○ 2026-05-08 22:27:50
● 2026-05-09 19:29:08
○ 2026-05-10 16:23:14
○ 2026-08-01 19:29:28
○A2a06:98c1:3121::2026-04-13 → 2026-05-09 · 8 obs
○ 2026-04-08 12:04:28
● 2026-04-13 09:39:22
● 2026-04-13 10:27:46
○ 2026-04-24 16:49:48
○ 2026-05-08 22:27:50
● 2026-05-09 19:29:08
○ 2026-05-10 16:23:14
○ 2026-08-01 19:29:28
○A31.170.178.1792016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 18:49:52
○ 2026-02-16 04:13:14
○ 2026-08-01 19:29:28
○PTRvisit.keznews.com2016-12-10 → 2026-02-16 · 4 obs
● 2016-12-10 18:49:52
● 2026-02-16 04:13:14
○ 2026-02-17 23:35:32
○ 2026-08-01 19:29:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
buildersv0n1.nic.builders, v2n1.nic.builders, v0n0.nic.builders, v2n0.nic.builders...12 records
opensource.builderspatryk.ns.cloudflare.com, lovisa.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.122

NS records: patryk.ns.cloudflare.com, lovisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensource.builders (unsigned zone)

⏱️ Timing

Total: 1007ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.165.205, 104.21.73.198
AAAA22606:4700:3037::6815:49c6, 2606:4700:3034::ac43:a5cd
NS2lovisa.ns.cloudflare.com, patryk.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1lovisa.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.builders, v2n0.nic.builders, v0n3.nic.builders...)

Analysis

Hierarchy

The domain www.opensource.builders falls under the parent opensource.builders.

IP Addresses

opensource.builders directs to four IP numbers, which are 104.21.73.198, 172.67.165.205, 2606:4700:3034::ac43:a5cd and 2606:4700:3037::6815:49c6.

Additional host names — joker123win789.online, www.jungfraubahn.info, evroteh.id and two others — share IP numbers with opensource.builders.

Name Servers

opensource.builders is delegated to two name servers: lovisa.ns.cloudflare.com and patryk.ns.cloudflare.com.

opensource.builders shares its name server setup with other domains, including bwin-app.at, a-dokter.id, fesolacs.com and two others.

At least some of opensource.builders's name servers are shared with other domains, for example magnel96.ru, sjsrf.com, romistore.com.br and two more.

These name servers are often deployed together with the name servers sofia.ns.cloudflare.com, giancarlo.ns.cloudflare.com, toby.ns.cloudflare.com and west.ns.cloudflare.com.

Host names with 6 IP numbers:

lovisa.ns.cloudflare.com resolves to 108.162.194.39, 162.159.38.39, 172.64.34.39 and 3 other IP addresses.

patryk.ns.cloudflare.com resolves to 108.162.195.122, 162.159.44.122, 172.64.35.122 and 3 other IP addresses.