🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`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.uk`netman@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.net`nstld@verisign-grs.com serial=1788075170

Subdomains

mail.developfocus.com

Same first word

developfocus.com

Similar names

coupleofdevs.com

focusdevelop.com

Previous names

Next names

DNS History

6 records (4 active, 2 former)

●NSns0.zen.co.uk2015-05-29 → 2026-08-30 · 5 obs

● 2015-05-29 20:12:40
● 2020-04-07 18:50:04
○ 2026-08-29 06:10:40
● 2026-08-29 06:48:36
● 2026-08-30 07:44:48

●NSns1.zen.co.uk2015-05-29 → 2026-08-30 · 5 obs

● 2015-05-29 20:12:40
● 2020-04-07 18:50:04
○ 2026-08-29 06:10:40
● 2026-08-29 06:48:36
● 2026-08-30 07:44:48

○NSunamuno.zen.co.uk2015-05-29 → 2020-04-07 · 4 obs

● 2015-05-29 20:12:40
● 2020-04-07 18:50:04
○ 2026-08-20 00:28:04
○ 2026-08-30 07:44:48

●MXmail.developfocus.com2026-08-20 → 2026-08-30 · 5 obs

○ 2020-04-07 18:50:04
● 2026-08-20 00:28:04
○ 2026-08-29 06:10:40
● 2026-08-29 06:48:36
● 2026-08-30 07:44:48

○MXmailcluster.zen.co.uk2015-05-29 → 2020-04-07 · 4 obs

● 2015-05-29 20:12:40
● 2020-04-07 18:50:04
○ 2026-08-20 00:28:04
○ 2026-08-30 07:44:48

●A82.71.204.242015-05-29 → 2026-08-30 · 5 obs

● 2015-05-29 20:12:40
● 2020-04-07 18:50:04
○ 2026-08-29 06:10:40
● 2026-08-29 06:48:36
● 2026-08-30 07:44:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.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: 1031ms | 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

Hierarchy

developfocus.com is the parent zone for mail.developfocus.com.

IP Addresses

developfocus.com resolves to one IP address: 82.71.204.24.

calibredigital.co.uk, kearnsco.co.uk, www.basesound.co.uk and two other host names share IP numbers with developfocus.com.

Name Servers

developfocus.com has two authoritative name servers — ns0.zen.co.uk and ns1.zen.co.uk.

developfocus.com uses the same name servers as several other domains — among them lupton.me.uk, 159.68.82.in-addr.arpa, 93.155.217.in-addr.arpa and two more.

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

Mail for developfocus.com is handled by a single mail server, mail.developfocus.com.

mail.developfocus.com points to one IP number — 82.71.204.24.

developfocus.com - robtex.com