conceptcode.org - dns.ninja
conceptcode.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.142.34.175🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE | ||||||
| PTR | conceptcoders.com | ||||||
| PTR | birminghamfibre.co.uk | ||||||
| PTR | nebula.nationalit.co.uk | ||||||
| NS | ns0.nationalit.co.uk ⭐ | ||||||
| A | 91.142.34.210🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE | ||||||
| NS | ns1.nationalit.co.uk | ||||||
| A | 91.142.34.211🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE | ||||||
| MX | inbound.conceptcoders.net ⭐ | ||||||
| A | 91.142.34.212🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE | ||||||
| MX | mailbackup.conceptcoders.net(20) | ||||||
| A | 91.142.34.130🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE | ||||||
| MX | conceptcode.org(30) | ||||||
| A | 91.142.34.175🇬🇧 CC-AS91.142.32.0/20 CC-UK-AGGREGATE | ||||||
| PTR | conceptcoders.com | ||||||
| PTR | birminghamfibre.co.uk | ||||||
| PTR | nebula.nationalit.co.uk | ||||||
| TXT | v=spf1 ip4:91.142.34.175 include:conceptcoders.net mx ~all | ||||||
| SOA | ns0.nationalit.co.ukchris@conceptcoders.com 2026-03-28 #5 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1784763900 | ||||||
MX for
conceptcode.org |
Same first word
conceptcode.nl |
conceptcode.org |
conceptcode.com |
conceptcode.net |
Similar names
DNS History
13 records (6 active, 7 former)
○NShe001.conceptcoders.net2015-08-07 → 2017-03-22 · 5 obs
○ 2015-09-09 19:08:36
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-23 00:11:52
○NSns0.conceptcoders.net2015-08-07 → 2017-03-22 · 4 obs
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-23 00:11:52
●NSns0.nationalit.co.uk2026-02-16 → 2026-07-23 · 3 obs
● 2026-02-16 07:33:08
● 2026-07-23 00:11:52
○NSns1.conceptcoders.net2015-08-07 → 2017-03-22 · 4 obs
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-23 00:11:52
●NSns1.nationalit.co.uk2026-02-16 → 2026-07-23 · 3 obs
● 2026-02-16 07:33:08
● 2026-07-23 00:11:52
○NSserver1.conceptcoders.net2015-08-07 → 2017-03-22 · 4 obs
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-23 00:11:52
○NSserver4.conceptcoders.net2015-08-07 → 2017-03-22 · 4 obs
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-23 00:11:52
○NSserver6.conceptcoders.net2015-08-07 → 2017-03-22 · 4 obs
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-23 00:11:52
○MXconceptcode-org.mail.protection.outlook.com2015-08-07 → 2017-03-22 · 4 obs
● 2017-03-22 09:35:20
○ 2026-02-16 07:33:08
○ 2026-07-23 00:11:52
●MXconceptcode.org2026-02-16 → 2026-07-23 · 6 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
● 2026-07-23 00:11:52
●MXinbound.conceptcoders.net2015-08-07 → 2026-07-23 · 5 obs
● 2026-05-21 15:03:04
○ 2026-06-28 23:14:02
● 2026-07-20 00:30:46
● 2026-07-23 00:11:52
●MXmailbackup.conceptcoders.net2015-08-07 → 2026-07-23 · 5 obs
● 2026-05-21 15:03:04
○ 2026-06-28 23:14:02
● 2026-07-20 00:30:46
● 2026-07-23 00:11:52
●A91.142.34.1752026-02-16 → 2026-07-23 · 5 obs
● 2026-05-21 15:03:04
○ 2026-06-28 23:14:02
● 2026-07-20 00:30:46
● 2026-07-23 00:11:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| conceptcode.org | ns1.nationalit.co.uk, ns0.nationalit.co.uk | - |
✅ Authoritative Response
Server:91.142.34.210
NS records: ns1.nationalit.co.uk, ns0.nationalit.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for conceptcode.org (unsigned zone)
⏱️ Timing
Total: 3206ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.142.34.175 |
| NS | 2 | ns0.nationalit.co.uk, ns1.nationalit.co.uk |
| MX | 3 | conceptcode.org (pri: 30), inbound.conceptcoders.net (pri: 10)... |
| TXT | 1 | v=spf1 ip4:91.142.34.175 include:concept |
| SOA | 1 | ns0.nationalit.co.uk chris.conceptcoders |
Analysis
Mail Server Role
conceptcode.org serves as a mail server for conceptcode.org.
inbound.conceptcoders.net, mailbackup.conceptcoders.net and conceptcode.org are frequently seen together as mail servers.
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.