conceptcode.org - dns.ninja

conceptcode.org

DNSSEC⚠️ Not signed
A91.142.34.175🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE
PTRconceptcoders.com
PTRbirminghamfibre.co.uk
PTRnebula.nationalit.co.uk
NSns0.nationalit.co.uk
A91.142.34.210🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE
NSns1.nationalit.co.uk
A91.142.34.211🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE
MXinbound.conceptcoders.net
A91.142.34.212🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE
MXmailbackup.conceptcoders.net(20)
A91.142.34.130🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE
MXconceptcode.org(30)
A91.142.34.175🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE
PTRconceptcoders.com
PTRbirminghamfibre.co.uk
PTRnebula.nationalit.co.uk
TXTv=spf1 ip4:91.142.34.175 include:conceptcoders.net mx ~all
SOAns0.nationalit.co.ukchris@conceptcoders.com 2026-03-28 #5

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=1784506061

Previously MX for

Same first word

Similar names

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSns0.nationalit.co.ukns1.nationalit.co.ukhe001.conceptcoders.netns0.conceptcoders.netns1.conceptcoders.netserver1.conceptcoders.netserver4.conceptcoders.netserver6.conceptcoders.netMXconceptcode.orginbound.conceptcoders.netmailbackup.conceptcoders.netconceptcode-org.mail.protection.outlook.comA91.142.34.175
NShe001.conceptcoders.net2015-08-07 → 2017-03-22 · 5 obs
● 2015-08-07 11:03:04
○ 2015-09-09 19:08:36
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-20 00:30:48
NSns0.conceptcoders.net2015-08-07 → 2017-03-22 · 4 obs
● 2015-08-07 11:03:04
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-20 00:30:48
NSns0.nationalit.co.uk2026-02-16 → 2026-07-20 · 3 obs
○ 2017-03-22 09:35:20
● 2026-02-16 07:33:08
● 2026-07-20 00:30:48
NSns1.conceptcoders.net2015-08-07 → 2017-03-22 · 4 obs
● 2015-08-07 11:03:04
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-20 00:30:48
NSns1.nationalit.co.uk2026-02-16 → 2026-07-20 · 3 obs
○ 2017-03-22 09:35:20
● 2026-02-16 07:33:08
● 2026-07-20 00:30:48
NSserver1.conceptcoders.net2015-08-07 → 2017-03-22 · 4 obs
● 2015-08-07 11:03:04
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-20 00:30:48
NSserver4.conceptcoders.net2015-08-07 → 2017-03-22 · 4 obs
● 2015-08-07 11:03:04
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-20 00:30:48
NSserver6.conceptcoders.net2015-08-07 → 2017-03-22 · 4 obs
● 2015-08-07 11:03:04
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-20 00:30:48
MXconceptcode-org.mail.protection.outlook.com2015-08-07 → 2017-03-22 · 4 obs
● 2015-08-07 11:03:04
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-20 00:30:48
MXconceptcode.org2026-02-16 → 2026-07-20 · 6 obs
○ 2017-03-22 09:35:20
● 2026-02-16 07:33:08
● 2026-05-21 15:03:04
○ 2026-06-28 23:14:02
● 2026-07-20 00:30:46
● 2026-07-20 00:30:48
MXinbound.conceptcoders.net2015-08-07 → 2026-07-20 · 5 obs
● 2015-08-07 11:03:04
● 2026-05-21 15:03:04
○ 2026-06-28 23:14:02
● 2026-07-20 00:30:46
● 2026-07-20 00:30:48
MXmailbackup.conceptcoders.net2015-08-07 → 2026-07-20 · 5 obs
● 2015-08-07 11:03:04
● 2026-05-21 15:03:04
○ 2026-06-28 23:14:02
● 2026-07-20 00:30:46
● 2026-07-20 00:30:48
A91.142.34.1752026-02-16 → 2026-07-20 · 5 obs
● 2026-02-16 07:33:08
● 2026-05-21 15:03:04
○ 2026-06-28 23:14:02
● 2026-07-20 00:30:46
● 2026-07-20 00:30:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
conceptcode.orgns0.nationalit.co.uk, ns1.nationalit.co.uk-

✅ Authoritative Response

Server:91.142.34.211

NS records: ns0.nationalit.co.uk, ns1.nationalit.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for conceptcode.org (unsigned zone)

⏱️ Timing

Total: 3584ms | Queries: -

📄 Records

TypeCountSample Data
A191.142.34.175
NS2ns1.nationalit.co.uk, ns0.nationalit.co.uk
MX3conceptcode.org (pri: 30), inbound.conceptcoders.net (pri: 10)...
TXT1v=spf1 ip4:91.142.34.175 include:concept
SOA1ns0.nationalit.co.uk chris.conceptcoders

Analysis

IP Addresses

conceptcode.org has exactly one IP address — 91.142.34.175.

conceptcoder.com, conceptcoder.org, nebula.nationalit.co.uk and conceptcoder.info are examples of host names that share IP numbers with conceptcode.org.

Name Servers

Two name servers handle the delegation for conceptcode.org: ns0.nationalit.co.uk and ns1.nationalit.co.uk.

The name server configuration of conceptcode.org is shared with other domains, for instance conceptcode.com, masonyoung.co.uk, conceptcode.net and two others.

Both ns0.nationalit.co.uk and ns1.nationalit.co.uk have a single IP address each — ns0.nationalit.co.uk resolves to 91.142.34.210 while ns1.nationalit.co.uk resolves to 91.142.34.211.

Mail Servers

The MX configuration for conceptcode.org lists three mail servers: conceptcode.org, inbound.conceptcoders.net and mailbackup.conceptcoders.net.

At least some of the mail servers used by conceptcode.org are shared with other domains: conceptcoder.info, nationalit.co.uk, conceptcoder.com and two others among them.

These mail servers tend to be used in conjunction with the mail servers mailgate1.conceptcoders.net.

conceptcode.org points to 91.142.34.175; inbound.conceptcoders.net points to 91.142.34.212; mailbackup.conceptcoders.net points to 91.142.34.130 — each hostname maps to exactly one IP address.