scienceforhighschool.com - robtex.com

scienceforhighschool.com

DNSSEC⚠️ Not signed
A2620:127:f00f:9::🇨🇦 Cloudflare2620:127:f00f::/48 151 O'Connor Street, Ground floor Ottawa ON K2P 2L8 Canada
A23.227.38.69🇨🇦 Cloudflare23.227.38.0/23 Shopify 151 O'Connor Street, Ground floor Ottawa ON K2P 2L8 Canada
NSns-cloud-a1.googledomains.com ⭐
A2001:4860:4802:32::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a1.googledomains.com
A216.239.32.106🇺🇸 Google216.239.32.0/24
PTRns-cloud-a1.googledomains.com
NSns-cloud-a2.googledomains.com
A2001:4860:4802:34::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a2.googledomains.com
A216.239.34.106🇺🇸 Google216.239.34.0/24
PTRns-cloud-a2.googledomains.com
NSns-cloud-a3.googledomains.com
A2001:4860:4802:36::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a3.googledomains.com
A216.239.36.106🇺🇸 Google216.239.36.0/24
PTRns-cloud-a3.googledomains.com
NSns-cloud-a4.googledomains.com
A2001:4860:4802:38::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a4.googledomains.com
A216.239.38.106🇺🇸 Google216.239.38.0/24
PTRns-cloud-a4.googledomains.com
MXmx.scienceforhighschool.com.cust.b.hostedemail.com ⭐
A64.98.36.4🇨🇦 TUCOWS-364.98.36.0/24
PTRmx.b.hostedemail.com
SOAns-cloud-a1.googledomains.comcloud-dns-hostmaster@google.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

scienceforhighschool.com

DNS History

17 records (7 active, 10 former)

20162017201820192020202120222023202420252026NSns-cloud-a1.googledomains.comns-cloud-a2.googledomains.comns-cloud-a3.googledomains.comns-cloud-a4.googledomains.comns1.hangingrockstudios.comns1.hostek.comns2.hangingrockstudios.comns2.hostek.comMXmx.scienceforhighschool.com.cust.b.hostedemail.commail.scienceforhighschool.commail6.hostek.comA23.227.38.692620:127:f00f:9::199.83.129.0199.83.129.18199.83.131.1866.201.104.30
●NSns-cloud-a1.googledomains.com2026-03-23 → 2026-03-23 · 2 obs
○ 2017-10-26 21:31:58
● 2026-03-23 23:45:12
●NSns-cloud-a2.googledomains.com2026-03-23 → 2026-03-23 · 2 obs
○ 2017-10-26 21:31:58
● 2026-03-23 23:45:12
●NSns-cloud-a3.googledomains.com2026-03-23 → 2026-03-23 · 2 obs
○ 2017-10-26 21:31:58
● 2026-03-23 23:45:12
●NSns-cloud-a4.googledomains.com2026-03-23 → 2026-03-23 · 2 obs
○ 2017-10-26 21:31:58
● 2026-03-23 23:45:12
○NSns1.hangingrockstudios.com2015-11-07 → 2017-10-26 · 4 obs
○ 2015-06-18 15:29:24
● 2015-11-07 07:21:22
● 2017-10-26 21:31:58
○ 2026-03-23 23:45:12
○NSns1.hostek.com2015-06-18 → 2015-06-18 · 3 obs
● 2015-06-18 15:29:24
○ 2015-11-07 07:21:22
○ 2026-03-23 23:45:12
○NSns2.hangingrockstudios.com2015-11-07 → 2017-10-26 · 4 obs
○ 2015-06-18 15:29:24
● 2015-11-07 07:21:22
● 2017-10-26 21:31:58
○ 2026-03-23 23:45:12
○NSns2.hostek.com2015-06-18 → 2015-06-18 · 3 obs
● 2015-06-18 15:29:24
○ 2015-11-07 07:21:22
○ 2026-03-23 23:45:12
○MXmail.scienceforhighschool.com2015-11-07 → 2017-10-26 · 4 obs
○ 2015-06-18 15:29:24
● 2015-11-07 07:21:22
● 2017-10-26 21:31:58
○ 2026-03-23 23:45:12
○MXmail6.hostek.com2015-06-18 → 2015-06-18 · 3 obs
● 2015-06-18 15:29:24
○ 2015-11-07 07:21:22
○ 2026-03-23 23:45:12
●MXmx.scienceforhighschool.com.cust.b.hostedemail.com2026-03-23 → 2026-03-23 · 2 obs
○ 2017-10-26 21:31:58
● 2026-03-23 23:45:12
○A199.83.129.02015-11-07 → 2016-04-13 · 5 obs
○ 2015-06-18 15:29:24
● 2015-11-07 07:21:22
● 2016-04-13 13:09:40
○ 2016-11-25 22:26:32
○ 2026-03-23 23:45:12
○A199.83.129.182016-11-25 → 2017-10-26 · 4 obs
○ 2016-04-13 13:09:40
● 2016-11-25 22:26:32
● 2017-10-26 21:31:58
○ 2026-03-23 23:45:12
○A199.83.131.182017-10-26 → 2017-10-26 · 3 obs
○ 2016-11-25 22:26:32
● 2017-10-26 21:31:58
○ 2026-03-23 23:45:12
●A23.227.38.692026-03-23 → 2026-03-23 · 2 obs
○ 2017-10-26 21:31:58
● 2026-03-23 23:45:12
●A2620:127:f00f:9::2026-03-23 → 2026-03-23 · 2 obs
○ 2017-10-26 21:31:58
● 2026-03-23 23:45:12
○A66.201.104.302015-06-18 → 2015-06-18 · 3 obs
● 2015-06-18 15:29:24
○ 2015-11-07 07:21:22
○ 2026-03-23 23:45:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...-
scienceforhighschool.comns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com8 records

✅ Authoritative Response

Server:216.239.32.106

NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for scienceforhighschool.com (unsigned zone)

⏱️ Timing

Total: 448ms | Queries: -

📄 Records

TypeCountSample Data
A123.227.38.69
AAAA12620:127:f00f:9::
NS4ns-cloud-a2.googledomains.com, ns-cloud-a4.googledomains.com...
MX1mx.scienceforhighschool.com.cust.b.hoste
SOA1ns-cloud-a1.googledomains.com cloud-dns-

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)

Analysis

IP Addresses

scienceforhighschool.com resolves to two IP numbers: 2620:127:f00f:9:: and 23.227.38.69.

Other host names, for instance kingkush.com, avenewra.com, ugmerch.it, ezsolarkits.com and byrcal.com share IP numbers with scienceforhighschool.com.

Name Servers

scienceforhighschool.com is delegated to four name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.

scienceforhighschool.com shares some name servers with other domains, for example onlinepasaj.com, hotfield.net, pcmdn.net, sebskin.com and solutionsconnector.com.

Host names with two IP numbers

Two IPs per host:

ns-cloud-a1.googledomains.com points to 2001:4860:4802:32::6a and 216.239.32.106

ns-cloud-a2.googledomains.com points to 2001:4860:4802:34::6a and 216.239.34.106

ns-cloud-a3.googledomains.com points to 2001:4860:4802:36::6a and 216.239.36.106

ns-cloud-a4.googledomains.com points to 2001:4860:4802:38::6a and 216.239.38.106

Mail Servers

scienceforhighschool.com is handled by a single mail server, mx.scienceforhighschool.com.cust.b.hostedemail.com.

Host name mx.scienceforhighschool.com.cust.b.hostedemail.com points to IP 64.98.36.4.