clusterbuilder.org - dns.ninja

clusterbuilder.org

DNSSEC⚠️ Not signed
A164.90.131.236🇺🇸 DIGITALOCEAN164.90.128.0/20 DigitalOcean
NSns1.digitalocean.com ⭐
A2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.digitalocean.com
A2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
MXsmtp.clusterbuilder.org ⭐
A164.90.131.236🇺🇸 DIGITALOCEAN164.90.128.0/20 DigitalOcean
SOAns1.digitalocean.comhostmaster@clusterbuilder.org serial=0

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=1783187822

Subdomains

smtp.clusterbuilder.org

Same first word

clusterbuilder.org

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSns1.digitalocean.comns2.digitalocean.comns3.digitalocean.comns03.domaincontrol.comns04.domaincontrol.comns27.domaincontrol.comns28.domaincontrol.comMXsmtp.clusterbuilder.orgA164.90.131.236127.0.0.1204.15.87.25150.63.202.42
○NSns03.domaincontrol.com2015-07-02 → 2017-02-11 · 4 obs
● 2015-07-02 02:41:40
● 2017-02-11 03:09:58
○ 2020-01-16 06:39:40
○ 2026-07-04 18:28:40
○NSns04.domaincontrol.com2015-07-02 → 2017-02-11 · 4 obs
● 2015-07-02 02:41:40
● 2017-02-11 03:09:58
○ 2020-01-16 06:39:40
○ 2026-07-04 18:28:40
●NSns1.digitalocean.com2026-02-23 → 2026-07-04 · 3 obs
○ 2020-01-16 06:39:40
● 2026-02-23 20:23:16
● 2026-07-04 18:28:40
●NSns2.digitalocean.com2026-02-23 → 2026-07-04 · 3 obs
○ 2020-01-16 06:39:40
● 2026-02-23 20:23:16
● 2026-07-04 18:28:40
○NSns27.domaincontrol.com2020-01-16 → 2020-01-16 · 4 obs
○ 2017-02-11 03:09:58
● 2020-01-16 06:39:40
○ 2026-02-23 20:23:16
○ 2026-07-04 18:28:40
○NSns28.domaincontrol.com2020-01-16 → 2020-01-16 · 4 obs
○ 2017-02-11 03:09:58
● 2020-01-16 06:39:40
○ 2026-02-23 20:23:16
○ 2026-07-04 18:28:40
●NSns3.digitalocean.com2026-02-23 → 2026-07-04 · 3 obs
○ 2020-01-16 06:39:40
● 2026-02-23 20:23:16
● 2026-07-04 18:28:40
●MXsmtp.clusterbuilder.org2026-02-23 → 2026-07-04 · 2 obs
● 2026-02-23 20:23:16
● 2026-07-04 18:28:40
○A127.0.0.12026-02-23 → 2026-07-04 · 2 obs
○ 2026-02-23 20:23:16
○ 2026-07-04 18:28:40
●A164.90.131.2362026-02-23 → 2026-07-04 · 3 obs
○ 2020-01-16 06:39:40
● 2026-02-23 20:23:16
● 2026-07-04 18:28:40
○A204.15.87.2512015-07-02 → 2017-02-11 · 4 obs
● 2015-07-02 02:41:40
● 2017-02-11 03:09:58
○ 2020-01-16 06:39:40
○ 2026-07-04 18:28:40
○A50.63.202.422020-01-16 → 2020-01-16 · 4 obs
○ 2017-02-11 03:09:58
● 2020-01-16 06:39:40
○ 2026-02-23 20:23:16
○ 2026-07-04 18:28:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
clusterbuilder.orgns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com-

✅ Authoritative Response

Server:172.64.49.209

NS records: ns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for clusterbuilder.org (unsigned zone)

⏱️ Timing

Total: 1114ms | Queries: -

📄 Records

TypeCountSample Data
A1164.90.131.236
NS3ns1.digitalocean.com, ns3.digitalocean.com...
MX1smtp.clusterbuilder.org (pri: 10)
SOA1ns1.digitalocean.com hostmaster.clusterb

Analysis

Hierarchy

clusterbuilder.org is a parent domain of smtp.clusterbuilder.org.

IP Addresses

clusterbuilder.org has exactly one IP address — 164.90.131.236.

www.tmatiel.nl, mail.briefmarkenverein-schleswig.de, tmatiel.nl plus two other host names have IP numbers in common with clusterbuilder.org.

Name Servers

clusterbuilder.org is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

clusterbuilder.org shares at least some of its name servers with other domains, including 1.0.0.3.3.3.5.1.0.0.0.0.0.0.0.0.0.d.0.0.2.0.0.0.0.c.0.b.3.0.a.2.ip6.arpa, andriiponomarenko.com, comments.mona.artpro.co and two others.

ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com each resolve to two IP addresses: ns1.digitalocean.com resolves to 172.64.52.210 and 2606:4700:52::ac40:34d2; ns2.digitalocean.com resolves to 172.64.53.21 and 2606:4700:5a::ac40:3515; ns3.digitalocean.com resolves to 172.64.49.209 and 2606:4700:52::ac40:31d1.

Mail Servers

clusterbuilder.org uses one mail server — smtp.clusterbuilder.org.

smtp.clusterbuilder.org resolves to a single IP number: 164.90.131.236.