21things4students.org - robtex.com

21things4students.org

DNSSEC⚠️ Not signed
A198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.49.23.145🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.145🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
NSns-cloud-b1.googledomains.com ⭐
A2001:4860:4802:32::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b1.googledomains.com
A216.239.32.107🇺🇸 Google216.239.32.0/24
PTRns-cloud-b1.googledomains.com
NSns-cloud-b2.googledomains.com
A2001:4860:4802:34::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b2.googledomains.com
A216.239.34.107🇺🇸 Google216.239.34.0/24
PTRns-cloud-b2.googledomains.com
NSns-cloud-b3.googledomains.com
A2001:4860:4802:36::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b3.googledomains.com
A216.239.36.107🇺🇸 Google216.239.36.0/24
PTRns-cloud-b3.googledomains.com
NSns-cloud-b4.googledomains.com
A2001:4860:4802:38::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b4.googledomains.com
A216.239.38.107🇺🇸 Google216.239.38.0/24
PTRns-cloud-b4.googledomains.com
SOAns-cloud-b1.googledomains.comcloud-dns-hostmaster@google.com serial=4

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=1774446930

Same first word

21things4students.org
21things4students.net

DNS History

17 records (8 active, 9 former)

20162017201820192020202120222023202420252026NSns-cloud-b1.googledomains.comns-cloud-b2.googledomains.comns-cloud-b3.googledomains.comns-cloud-b4.googledomains.comns1.dsredirection.comns1.renewyourname.netns2.dsredirection.comns2.renewyourname.netA198.185.159.144198.185.159.145198.49.23.144198.49.23.145208.73.210.212208.73.211.191208.73.211.194208.73.211.19969.172.201.217
●NSns-cloud-b1.googledomains.com2026-03-25 → 2026-03-25 · 3 obs
○ 2017-04-09 18:26:08
● 2026-03-25 14:11:20
● 2026-03-25 14:11:22
●NSns-cloud-b2.googledomains.com2026-03-25 → 2026-03-25 · 3 obs
○ 2017-04-09 18:26:08
● 2026-03-25 14:11:20
● 2026-03-25 14:11:22
●NSns-cloud-b3.googledomains.com2026-03-25 → 2026-03-25 · 3 obs
○ 2017-04-09 18:26:08
● 2026-03-25 14:11:20
● 2026-03-25 14:11:22
●NSns-cloud-b4.googledomains.com2026-03-25 → 2026-03-25 · 3 obs
○ 2017-04-09 18:26:08
● 2026-03-25 14:11:20
● 2026-03-25 14:11:22
○NSns1.dsredirection.com2015-08-15 → 2016-08-11 · 4 obs
● 2015-08-15 16:24:02
● 2016-08-11 23:04:00
○ 2017-04-09 18:26:08
○ 2026-03-25 14:11:22
○NSns1.renewyourname.net2017-04-09 → 2017-04-09 · 4 obs
○ 2016-08-11 23:04:00
● 2017-04-09 18:26:08
○ 2026-03-25 14:11:20
○ 2026-03-25 14:11:22
○NSns2.dsredirection.com2015-08-15 → 2016-08-11 · 4 obs
● 2015-08-15 16:24:02
● 2016-08-11 23:04:00
○ 2017-04-09 18:26:08
○ 2026-03-25 14:11:22
○NSns2.renewyourname.net2017-04-09 → 2017-04-09 · 4 obs
○ 2016-08-11 23:04:00
● 2017-04-09 18:26:08
○ 2026-03-25 14:11:20
○ 2026-03-25 14:11:22
●A198.185.159.1442026-03-25 → 2026-03-25 · 3 obs
○ 2017-04-09 18:26:08
● 2026-03-25 14:11:20
● 2026-03-25 14:11:22
●A198.185.159.1452026-03-25 → 2026-03-25 · 3 obs
○ 2017-04-09 18:26:08
● 2026-03-25 14:11:20
● 2026-03-25 14:11:22
●A198.49.23.1442026-03-25 → 2026-03-25 · 3 obs
○ 2017-04-09 18:26:08
● 2026-03-25 14:11:20
● 2026-03-25 14:11:22
●A198.49.23.1452026-03-25 → 2026-03-25 · 3 obs
○ 2017-04-09 18:26:08
● 2026-03-25 14:11:20
● 2026-03-25 14:11:22
○A208.73.210.2122015-08-15 → 2016-08-11 · 4 obs
● 2015-08-15 16:24:02
● 2016-08-11 23:04:00
○ 2017-04-09 18:26:08
○ 2026-03-25 14:11:22
○A208.73.211.1912015-08-15 → 2016-08-11 · 4 obs
● 2015-08-15 16:24:02
● 2016-08-11 23:04:00
○ 2017-04-09 18:26:08
○ 2026-03-25 14:11:22
○A208.73.211.1942015-08-15 → 2016-08-11 · 4 obs
● 2015-08-15 16:24:02
● 2016-08-11 23:04:00
○ 2017-04-09 18:26:08
○ 2026-03-25 14:11:22
○A208.73.211.1992015-08-15 → 2016-08-11 · 4 obs
● 2015-08-15 16:24:02
● 2016-08-11 23:04:00
○ 2017-04-09 18:26:08
○ 2026-03-25 14:11:22
○A69.172.201.2172017-04-09 → 2017-04-09 · 4 obs
○ 2016-08-11 23:04:00
● 2017-04-09 18:26:08
○ 2026-03-25 14:11:20
○ 2026-03-25 14:11:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
21things4students.orgns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com-

✅ Authoritative Response

Server:216.239.36.107

NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21things4students.org (unsigned zone)

⏱️ Timing

Total: 447ms | Queries: -

📄 Records

TypeCountSample Data
A4198.49.23.145, 198.185.159.144...
NS4ns-cloud-b4.googledomains.com, ns-cloud-b1.googledomains.com...
SOA1ns-cloud-b1.googledomains.com cloud-dns-

Analysis

IP Addresses

21things4students.org maps to four IP numbers: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Other host names, for instance nukustudio.org, begleyhutton.com, calderalabs.org, kaim.in and sakibulalam.com share IP numbers with 21things4students.org.

Name Servers

21things4students.org's delegation is handled by four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.

21things4students.org partially shares name servers with other domains; examples include sixmonthbracesmiami.com, scootersstuff.com, lightsource.com, sportrusser.de and freebabyultrasound.com.

Host names with two IPs:

ns-cloud-b1.googledomains.com points to 2001:4860:4802:32::6b and 216.239.32.107

ns-cloud-b2.googledomains.com points to 2001:4860:4802:34::6b and 216.239.34.107

ns-cloud-b3.googledomains.com points to 2001:4860:4802:36::6b and 216.239.36.107

ns-cloud-b4.googledomains.com points to 2001:4860:4802:38::6b and 216.239.38.107