justscience.us - robtex.com

justscience.us

DNSSEC⚠️ Not signed
A185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24
PTRcdn-185-199-108-153.github.com
A185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24
A185.199.110.153🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24
A185.199.111.153🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24
NSns1.dyna-ns.net ⭐
A2400:cb00:2049:1::a29f:1a5c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1b9e🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.92Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dyna-ns.net
A162.159.27.158Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dyna-ns.net
NSns2.dyna-ns.net
A2400:cb00:2049:1::a29f:1805🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1905🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.24.5Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.dyna-ns.net
A162.159.25.5Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.dyna-ns.net
SOAns1.dyna-ns.nethostmaster@justscience.us 2026-01-20 #2

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1774470725

Same first word

justscience.us
justscience.cn
justscience.in
justscience.de

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns1.dyna-ns.netns2.dyna-ns.netns65.domaincontrol.comns66.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA185.199.108.153185.199.109.153185.199.110.153185.199.111.153199.34.228.59
●NSns1.dyna-ns.net2026-03-19 → 2026-03-25 · 3 obs
○ 2020-03-03 04:46:06
● 2026-03-19 20:49:12
● 2026-03-25 20:39:36
●NSns2.dyna-ns.net2026-03-19 → 2026-03-25 · 3 obs
○ 2020-03-03 04:46:06
● 2026-03-19 20:49:12
● 2026-03-25 20:39:36
○NSns65.domaincontrol.com2015-07-08 → 2020-03-03 · 4 obs
● 2015-07-08 21:57:46
● 2020-03-03 04:46:06
○ 2026-03-19 20:49:12
○ 2026-03-25 20:39:36
○NSns66.domaincontrol.com2015-07-08 → 2020-03-03 · 4 obs
● 2015-07-08 21:57:46
● 2020-03-03 04:46:06
○ 2026-03-19 20:49:12
○ 2026-03-25 20:39:36
○MXmailstore1.secureserver.net2015-07-08 → 2020-03-03 · 4 obs
● 2015-07-08 21:57:46
● 2020-03-03 04:46:06
○ 2026-03-19 20:49:12
○ 2026-03-25 20:39:36
○MXsmtp.secureserver.net2015-07-08 → 2020-03-03 · 4 obs
● 2015-07-08 21:57:46
● 2020-03-03 04:46:06
○ 2026-03-19 20:49:12
○ 2026-03-25 20:39:36
●A185.199.108.1532026-03-19 → 2026-03-25 · 3 obs
○ 2020-03-03 04:46:06
● 2026-03-19 20:49:12
● 2026-03-25 20:39:36
●A185.199.109.1532026-03-19 → 2026-03-25 · 3 obs
○ 2020-03-03 04:46:06
● 2026-03-19 20:49:12
● 2026-03-25 20:39:36
●A185.199.110.1532026-03-19 → 2026-03-25 · 3 obs
○ 2020-03-03 04:46:06
● 2026-03-19 20:49:12
● 2026-03-25 20:39:36
●A185.199.111.1532026-03-19 → 2026-03-25 · 3 obs
○ 2020-03-03 04:46:06
● 2026-03-19 20:49:12
● 2026-03-25 20:39:36
○A199.34.228.592015-07-08 → 2020-03-03 · 4 obs
● 2015-07-08 21:57:46
● 2020-03-03 04:46:06
○ 2026-03-19 20:49:12
○ 2026-03-25 20:39:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
justscience.usns2.dyna-ns.net, ns1.dyna-ns.net-

✅ Authoritative Response

Server:162.159.27.158

NS records: ns2.dyna-ns.net, ns1.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for justscience.us (unsigned zone)

⏱️ Timing

Total: 587ms | Queries: -

📄 Records

TypeCountSample Data
A4185.199.111.153, 185.199.108.153...
NS2ns2.dyna-ns.net, ns1.dyna-ns.net
SOA1ns1.dyna-ns.net hostmaster.justscience.u

Analysis

IP Addresses

justscience.us maps to four IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

other host names include coltpini.com, sargant.com, prc779.github.io, oscarlab.github.io and dcbpw.org; they share IP numbers with justscience.us.

Name Servers

Two name servers ns1.dyna-ns.net and ns2.dyna-ns.net handle the delegation for justscience.us.

justscience.us shares the same name server setup as other domains, for instance wholife.com.cn, wang.ltd, vehiclebag.com, x-res.com and technoventure.nl.

Host names with four IP numbers:

ns1.dyna-ns.net points to: 2400:cb00:2049:1::a29f:1a5c, 2400:cb00:2049:1::a29f:1b9e, 162.159.26.92 and 162.159.27.158.

ns2.dyna-ns.net points to: 2400:cb00:2049:1::a29f:1805, 2400:cb00:2049:1::a29f:1905, 162.159.24.5 and 162.159.25.5.