developercourses.co - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`developercourses.co`

DNSSEC	⚠️ Not signed
A	88.208.252.9^{🇬🇧 IONOS-AS88.208.192.0/18 Fasthosts Internet Ltd}
		PTR	`server88-208-252-9.fasthosts.net.uk`
NS	`ns1.livedns.co.uk` ⭐
		A	2001:8d8:fe:53:fa::1^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1.slndns.co.uk`
		A	217.160.81.244^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1.livedns.co.uk`
NS	`ns2.livedns.co.uk`
		A	2001:8d8:fe:53:fa::2^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns2.slndns.co.uk`
		A	217.160.82.244^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns2.livedns.co.uk`
NS	`ns3.livedns.co.uk`
		A	2607:f1c0:fe:53:185:132:35:244^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns3.livedns.co.uk`
		A	185.132.35.244^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
MX	`mailserver.developercourses.co` ⭐
		A	213.171.216.114^{🇬🇧 IONOS-AS213.171.192.0/19 Fasthosts Internet Ltd}
			PTR	`mail213-171-216-114.livemail.co.uk`
SOA	`ns1.livedns.co.uk`admin@developercourses.co serial=1619774201

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759742074

Subdomains

mailserver.developercourses.co

Same first word

developercourses.co

developercourses.in

developercourses.com

Similar names

sourcedevelopers.com

developresources.com

coursedevelopers.com

Previous names

Next names

DNS History

5 records (5 active, 0 former)

●NSns1.livedns.co.uk2015-07-12 → 2026-08-25 · 2 obs

● 2015-07-12 19:33:08
● 2026-08-25 22:06:56

●NSns2.livedns.co.uk2015-07-12 → 2026-08-25 · 2 obs

● 2015-07-12 19:33:08
● 2026-08-25 22:06:56

●NSns3.livedns.co.uk2015-07-12 → 2026-08-25 · 2 obs

● 2015-07-12 19:33:08
● 2026-08-25 22:06:56

●MXmailserver.developercourses.co2015-07-12 → 2026-08-25 · 2 obs

● 2015-07-12 19:33:08
● 2026-08-25 22:06:56

●A88.208.252.92015-07-12 → 2026-08-25 · 2 obs

● 2015-07-12 19:33:08
● 2026-08-25 22:06:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	8 records
developercourses.co	ns1.livedns.co.uk, ns2.livedns.co.uk, ns3.livedns.co.uk	-

✅ Authoritative Response

Server:217.160.82.244

NS records: ns1.livedns.co.uk, ns2.livedns.co.uk, ns3.livedns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developercourses.co (unsigned zone)

⏱️ Timing

Total: 1215ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.208.252.9`
NS	3	`ns1.livedns.co.uk, ns3.livedns.co.uk...`
MX	1	`mailserver.developercourses.co (pri: 10)`
SOA	1	`ns1.livedns.co.uk admin.developercourses`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.registrydns.co, a.registrydns.co, b.registrydns.co...)

Analysis

Hierarchy

The domain mailserver.developercourses.co falls under the parent developercourses.co.

IP Addresses

developercourses.co resolves to one IP address: 88.208.252.9.

wyatthomes.com, the-neos.com, gizo.co.uk and two other host names share IP numbers with developercourses.co.

Name Servers

Three name servers are authoritative for developercourses.co: ns1.livedns.co.uk, ns2.livedns.co.uk and ns3.livedns.co.uk.

At least some of developercourses.co's name servers are shared with other domains, for example ianblick.com, arnoldpattesting.co.uk, knhp.co.uk and two more.

These name servers tend to be deployed in combination with the name servers ns1.fast-hosts.org and ns2.fast-hosts.org.

ns1.livedns.co.uk resolves to 217.160.81.244 and 2001:8d8:fe:53:fa::1. ns2.livedns.co.uk resolves to 217.160.82.244 and 2001:8d8:fe:53:fa::2. ns3.livedns.co.uk resolves to 185.132.35.244 and 2607:f1c0:fe:53:185:132:35:244. All three hostnames point to two IP numbers each.

Mail Servers

Mail for developercourses.co is handled by a single mail server, mailserver.developercourses.co.

There is one IP number for mailserver.developercourses.co: 213.171.216.114.