ns1.opensourcemodels.org - robtex.com

ns1.opensourcemodels.org

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:2f0f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8fa2🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.47.15Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.162🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.47.15, 172.67.143.162
IPv62606:4700:3035::6815:2f0f, 2606:4700:3035::ac43:8fa2

opensourcemodels.org

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:2f0f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8fa2🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.47.15Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.162🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdahlia.ns.cloudflare.com ⭐
NSsullivan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.47.15, 172.67.143.162
IPv62606:4700:3035::6815:2f0f, 2606:4700:3035::ac43:8fa2
SOAdahlia.ns.cloudflare.comdns@cloudflare.com serial=2395732004

Previously NS for

learningtreechennai.com
opensourcemodels.org
wigmore-associates.co.uk
priceandsize.com

Same first word

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ns1.diskstation.me
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ns1.rag-cloud.hosteur.com
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ns1.rag-cloud-ch.hosteur.com
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ns1.im
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ns1.dev-myqnapcloud.com
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ns1.tokyo
ns1.ovh
ns1.gov.ps
ns1.us.kg
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ns1.co.com
ns1.mircloud.us
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ns1.appengine.flow.ch
ns1.myasustor.com
ns1.dscloud.mobi
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ns1.gov.sc
ns1.demo.jelastic.com
ns1.myqnapcloud.cn
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ns1.kg
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ns1.be
ns1.tuxfamily.org
ns1.unicloud.pl
ns1.lublin.pl
ns1.co.nz
ns1.mcdir.ru
ns1.servehttp.com
ns1.co.za
ns1.gov.az
ns1.dev
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1ns.at
sn1.biz
n1s.com
1ns.com
1ns.ru
1ns.ca
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sn1.dk

DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026A104.21.47.15172.67.143.1622606:4700:3035::6815:2f0f2606:4700:3035::ac43:8fa2192.185.91.100192.185.91.1802606:4700:130:436c:6f75:6466:6c61:7265
●A104.21.47.152026-03-04 → 2026-03-23 · 3 obs
○ 2017-09-10 05:12:18
● 2026-03-04 16:24:00
● 2026-03-23 06:57:36
●A172.67.143.1622026-03-04 → 2026-03-23 · 3 obs
○ 2017-09-10 05:12:18
● 2026-03-04 16:24:00
● 2026-03-23 06:57:36
○A192.185.91.1002017-06-30 → 2017-09-10 · 5 obs
○ 2016-12-28 06:09:48
● 2017-06-30 10:48:30
● 2017-09-10 05:12:18
○ 2026-03-04 16:24:00
○ 2026-03-23 06:57:36
○A192.185.91.1802015-05-26 → 2016-12-28 · 4 obs
● 2015-05-26 22:43:28
● 2016-12-28 06:09:48
○ 2017-06-30 10:48:30
○ 2026-03-23 06:57:36
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-04 → 2026-03-04 · 4 obs
○ 2017-09-10 05:12:18
● 2026-03-04 16:24:00
○ 2026-03-04 18:26:18
○ 2026-03-23 06:57:36
●A2606:4700:3035::6815:2f0f2026-03-04 → 2026-03-23 · 3 obs
○ 2026-03-04 16:24:00
● 2026-03-04 18:26:18
● 2026-03-23 06:57:36
●A2606:4700:3035::ac43:8fa22026-03-04 → 2026-03-23 · 3 obs
○ 2026-03-04 16:24:00
● 2026-03-04 18:26:18
● 2026-03-23 06:57:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
opensourcemodels.orgsullivan.ns.cloudflare.com, dahlia.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.89

NS records: sullivan.ns.cloudflare.com, dahlia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensourcemodels.org (unsigned zone)

⏱️ Timing

Total: 323ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.47.15, 172.67.143.162
AAAA22606:4700:3035::ac43:8fa2, 2606:4700:3035::6815:2f0f
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

Four IP numbers are pointed to by ns1.opensourcemodels.org: 2606:4700:3035::6815:2f0f, 2606:4700:3035::ac43:8fa2, 104.21.47.15 and 172.67.143.162.

other host names including mail.oulanshi.net, hranticinadaleticin.com, mail.amphicar.net, www.hrheroblogs.com and etcsmtdl.info share IP numbers with ns1.opensourcemodels.org.