developfocus.com - dns.ninja
developfocus.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 82.71.204.24🇬🇧 ZEN-AS82.71.0.0/16 Zen Internet Ltd | ||||||
| PTR | cp14.hosting.zen.net.uk | ||||||
| NS | ns0.zen.co.uk ⭐ | ||||||
| A | 2a02:8010:7:1::53🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd | ||||||
| PTR | ns0.zen.co.uk | ||||||
| A | 212.23.8.1🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd | ||||||
| PTR | ns0.zen.co.uk | ||||||
| NS | ns1.zen.co.uk | ||||||
| A | 2a02:8010:2:8::53🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd | ||||||
| PTR | ns1.zen.co.uk | ||||||
| A | 212.23.3.1🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd | ||||||
| PTR | ns1.zen.co.uk | ||||||
| MX | mail.developfocus.com ⭐ | ||||||
| A | 82.71.204.24🇬🇧 ZEN-AS82.71.0.0/16 Zen Internet Ltd | ||||||
| PTR | cp14.hosting.zen.net.uk | ||||||
| TXT | v=spf1 +mx +a +ip4:82.71.204.24 ~all | ||||||
| TXT | v=spf1 include:_cphspf.zen.co.uk ~all | ||||||
| SOA | ns0.zen.co.uknetman@zen.co.uk 2025-08-28 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1787809190 | ||||||
Same first word
developfocus.com |
Similar names
Previous names
Next names
DNS History
6 records (4 active, 2 former)
○NSunamuno.zen.co.uk2015-05-29 → 2020-04-07 · 4 obs
● 2020-04-07 18:50:04
○ 2026-08-20 00:28:04
○ 2026-08-27 05:58:46
●MXmail.developfocus.com2026-08-20 → 2026-08-27 · 3 obs
● 2026-08-20 00:28:04
● 2026-08-27 05:58:46
○MXmailcluster.zen.co.uk2015-05-29 → 2020-04-07 · 4 obs
● 2020-04-07 18:50:04
○ 2026-08-20 00:28:04
○ 2026-08-27 05:58:46
●A82.71.204.242015-05-29 → 2026-08-27 · 2 obs
● 2026-08-27 05:58:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| developfocus.com | ns0.zen.co.uk, ns1.zen.co.uk | - |
✅ Authoritative Response
Server:212.23.3.1
NS records: ns0.zen.co.uk, ns1.zen.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for developfocus.com (unsigned zone)
⏱️ Timing
Total: 609ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.71.204.24 |
| NS | 2 | ns1.zen.co.uk, ns0.zen.co.uk |
| MX | 1 | mail.developfocus.com (pri: 10) |
| TXT | 2 | v=spf1 include:_cphspf.zen.co.uk ~all, v=spf1 +mx +a +ip4:82.71.204.24 ~all |
| SOA | 1 | ns0.zen.co.uk netman.zen.co.uk |
Analysis
IP Addresses
developfocus.com has exactly one IP address — 82.71.204.24.
kearnsco.co.uk, www.basesound.co.uk, mail.focalform.com plus two other host names have IP numbers in common with developfocus.com.
Name Servers
developfocus.com has two authoritative name servers — ns0.zen.co.uk and ns1.zen.co.uk.
The name server configuration of developfocus.com is shared with other domains, for instance lupton.me.uk, 159.68.82.in-addr.arpa, 93.155.217.in-addr.arpa and two others.
The name servers for developfocus.com overlap at least partially with those of other domains — for example focusvoicedata.com.
Both ns0.zen.co.uk and ns1.zen.co.uk have two IP addresses each. ns0.zen.co.uk resolves to 212.23.8.1 and 2a02:8010:7:1::53; ns1.zen.co.uk resolves to 212.23.3.1 and 2a02:8010:2:8::53.
Mail Servers
developfocus.com uses one mail server — mail.developfocus.com.
mail.developfocus.com points to one IP number — 82.71.204.24.