computerfirst.org - dns.ninja

computerfirst.org

DNSSEC⚠️ Not signed
NSns1-02.azure-dns.com ⭐
A2603:1061:0:700::2🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-02.azure-dns.com
A13.107.236.2🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-02.azure-dns.com
NSns2-02.azure-dns.net
A2620:1ec:8ec:700::2🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-02.azure-dns.net
A150.171.21.2🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-02.azure-dns.net
NSns3-02.azure-dns.org
A2a01:111:4000:700::2🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-02.azure-dns.org
A204.14.183.2🇺🇸 Microsoft204.14.180.0/22
PTRns3-02.azure-dns.org
NSns4-02.azure-dns.info
A2620:1ec:bda:700::2🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-02.azure-dns.info
A208.84.5.2🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-02.azure-dns.info
MXcomputerfirst-org.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::4🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca04::f🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A2a01:111:f403:ca04::10🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-dbapr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::5🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am1pr04cu00105.inbound.protection.outlook.com
A52.101.68.15🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db6pr03cu00107.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
A52.101.73.11🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am1pr04cu00103.inbound.protection.outlook.com
A52.101.73.28🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00204.inbound.protection.outlook.com
TXTMS=ms56977305
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns1-02.azure-dns.comazuredns-hostmaster@microsoft.com serial=1

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=1782289458

Subdomains

www.computerfirst.org

Same first word

computerfirst.org
computerfirst.net

Similar names

firstcomputer.hu

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSns1-02.azure-dns.comns2-02.azure-dns.netns3-02.azure-dns.orgns4-02.azure-dns.infoa.ns.joker.comb.ns.joker.comc.ns.joker.comMXcomputerfirst-org.mail.protection.outlook.comA92.48.110.5
○NSa.ns.joker.com2015-06-02 → 2017-04-06 · 4 obs
● 2015-06-02 23:49:06
● 2017-04-06 20:31:50
○ 2026-06-05 08:45:20
○ 2026-06-24 09:06:46
○NSb.ns.joker.com2015-06-02 → 2017-04-06 · 4 obs
● 2015-06-02 23:49:06
● 2017-04-06 20:31:50
○ 2026-06-05 08:45:20
○ 2026-06-24 09:06:46
○NSc.ns.joker.com2015-06-02 → 2017-04-06 · 4 obs
● 2015-06-02 23:49:06
● 2017-04-06 20:31:50
○ 2026-06-05 08:45:20
○ 2026-06-24 09:06:46
●NSns1-02.azure-dns.com2026-06-05 → 2026-06-24 · 3 obs
○ 2017-04-06 20:31:50
● 2026-06-05 08:45:20
● 2026-06-24 09:06:46
●NSns2-02.azure-dns.net2026-06-05 → 2026-06-24 · 3 obs
○ 2017-04-06 20:31:50
● 2026-06-05 08:45:20
● 2026-06-24 09:06:46
●NSns3-02.azure-dns.org2026-06-05 → 2026-06-24 · 3 obs
○ 2017-04-06 20:31:50
● 2026-06-05 08:45:20
● 2026-06-24 09:06:46
●NSns4-02.azure-dns.info2026-06-05 → 2026-06-24 · 3 obs
○ 2017-04-06 20:31:50
● 2026-06-05 08:45:20
● 2026-06-24 09:06:46
●MXcomputerfirst-org.mail.protection.outlook.com2015-06-02 → 2026-06-24 · 2 obs
● 2015-06-02 23:49:06
● 2026-06-24 09:06:46
○A92.48.110.52015-06-02 → 2017-04-06 · 4 obs
● 2015-06-02 23:49:06
● 2017-04-06 20:31:50
○ 2026-06-05 08:45:20
○ 2026-06-24 09:06:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
computerfirst.orgns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info2 records

✅ Authoritative Response

Server:204.14.183.2

NS records: ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computerfirst.org (unsigned zone)

⏱️ Timing

Total: 233ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns1-02.azure-dns.com, ns2-02.azure-dns.net...
MX1computerfirst-org.mail.protection.outloo
TXT2MS=ms56977305, v=spf1 include:spf.protection.outlook.co
SOA1ns1-02.azure-dns.com azuredns-hostmaster

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3-02.azure-dns.org, ns3-02.azure-dns.org)

Analysis

Hierarchy

computerfirst.org is a parent domain of www.computerfirst.org.

Name Servers

The domain computerfirst.org is delegated to these four name servers: ns1-02.azure-dns.com, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns3-02.azure-dns.org.

computerfirst.org shares at least some of its name servers with other domains, including temaplan.se, smacktalking.com, tosyalimetalurji.com.tr and two others.

The host names ns1-02.azure-dns.com, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns3-02.azure-dns.org each resolve to two IP addresses: ns1-02.azure-dns.com resolves to 13.107.236.2 and 2603:1061:0:700::2; ns4-02.azure-dns.info resolves to 208.84.5.2 and 2620:1ec:bda:700::2; ns2-02.azure-dns.net resolves to 150.171.21.2 and 2620:1ec:8ec:700::2; ns3-02.azure-dns.org resolves to 204.14.183.2 and 2a01:111:4000:700::2.

Mail Servers

computerfirst.org routes its mail through a single mail server, computerfirst-org.mail.protection.outlook.com.

computerfirst-org.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.15, 52.101.73.2 and 52.101.73.11, along with 5 other.