k12science.org - robtex.com

k12science.org

DNSSEC⚠️ Not signed
A149.28.247.121🇺🇸 AS-VULTR149.28.240.0/20 Vultr Assigned Prefix
PTRfbcc.tempurl.host
NSdns1.registrar-servers.com ⭐
A2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.registrar-servers.com
A2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
SOAdns1.registrar-servers.comhostmaster@registrar-servers.com serial=1672727158

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=1775095647
WOT: SAFE (64/100)

Same first word

k12science.org
k12science.net

DNS History

9 records (3 active, 6 former)

20162017201820192020202120222023202420252026NSdns1.registrar-servers.comdns2.registrar-servers.comns1.linode.comns2.linode.comns3.linode.comns4.linode.comns5.linode.comA149.28.247.12166.228.34.124
●NSdns1.registrar-servers.com2026-03-31 → 2026-04-02 · 3 obs
○ 2017-02-19 05:34:08
● 2026-03-31 00:49:06
● 2026-04-02 02:16:34
●NSdns2.registrar-servers.com2026-03-31 → 2026-04-02 · 3 obs
○ 2017-02-19 05:34:08
● 2026-03-31 00:49:06
● 2026-04-02 02:16:34
○NSns1.linode.com2015-07-12 → 2017-02-19 · 4 obs
● 2015-07-12 07:29:50
● 2017-02-19 05:34:08
○ 2026-03-31 00:49:06
○ 2026-04-02 02:16:34
○NSns2.linode.com2015-07-12 → 2017-02-19 · 4 obs
● 2015-07-12 07:29:50
● 2017-02-19 05:34:08
○ 2026-03-31 00:49:06
○ 2026-04-02 02:16:34
○NSns3.linode.com2015-07-12 → 2017-02-19 · 4 obs
● 2015-07-12 07:29:50
● 2017-02-19 05:34:08
○ 2026-03-31 00:49:06
○ 2026-04-02 02:16:34
○NSns4.linode.com2015-07-12 → 2017-02-19 · 4 obs
● 2015-07-12 07:29:50
● 2017-02-19 05:34:08
○ 2026-03-31 00:49:06
○ 2026-04-02 02:16:34
○NSns5.linode.com2015-07-12 → 2017-02-19 · 4 obs
● 2015-07-12 07:29:50
● 2017-02-19 05:34:08
○ 2026-03-31 00:49:06
○ 2026-04-02 02:16:34
●A149.28.247.1212026-03-31 → 2026-04-02 · 3 obs
○ 2017-02-19 05:34:08
● 2026-03-31 00:49:06
● 2026-04-02 02:16:34
○A66.228.34.1242015-07-12 → 2017-02-19 · 4 obs
● 2015-07-12 07:29:50
● 2017-02-19 05:34:08
○ 2026-03-31 00:49:06
○ 2026-04-02 02:16:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org-
k12science.orgdns1.registrar-servers.com, dns2.registrar-servers.com-

✅ Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for k12science.org (unsigned zone)

⏱️ Timing

Total: 99ms | Queries: -

📄 Records

TypeCountSample Data
A1149.28.247.121
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
SOA1dns1.registrar-servers.com hostmaster.re

Analysis

IP Addresses

k12science.org resolves to one IP number: 149.28.247.121.

Other host names, for example fbcc.tempurl.host, share IP numbers with k12science.org.

Name Servers

k12science.org's delegation uses two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.

k12science.org uses the same name server setup as other domains, such as olymoly.com, wendoverbrown.com, muhlcpa.com, tubesmachine.com and ooana.net.

k12science.org shares name servers with other domains at least partially, for example xrand.com, ronandshira.com and cibaipoker.com.

These name servers are commonly used with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Host names with two IPs:

dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200

dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200