🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`developercourses.com`

DNSSEC	⚠️ Not signed
A	88.208.252.9^{🇬🇧 IONOS-AS88.208.192.0/18 Fasthosts Internet Ltd}
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.com` ⭐
		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.com serial=1619774207

`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=1788024500

Subdomains

mailserver.developercourses.com

Same first word

developercourses.in

developercourses.com

developercourses.co

developercourses.workers.dev

Similar names

sourcedevelopers.com

developresources.com

coursedevelopers.com

Previous names

Next names

DNS History

9 records (5 active, 4 former)

○NSns.buydomains.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 16:23:28
○ 2015-06-01 06:39:30
○ 2026-08-29 17:53:32

●NSns1.livedns.co.uk2015-06-01 → 2026-08-29 · 3 obs

○ 2008-03-12 16:23:28
● 2015-06-01 06:39:30
● 2026-08-29 17:53:32

●NSns2.livedns.co.uk2015-06-01 → 2026-08-29 · 3 obs

○ 2008-03-12 16:23:28
● 2015-06-01 06:39:30
● 2026-08-29 17:53:32

●NSns3.livedns.co.uk2015-06-01 → 2026-08-29 · 3 obs

○ 2008-03-12 16:23:28
● 2015-06-01 06:39:30
● 2026-08-29 17:53:32

○NSthis-domain-for-sale.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 16:23:28
○ 2015-06-01 06:39:30
○ 2026-08-29 17:53:32

○MXdev.null2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 16:23:28
○ 2015-06-01 06:39:30
○ 2026-08-29 17:53:32

●MXmailserver.developercourses.com2015-06-01 → 2026-08-29 · 3 obs

○ 2008-03-12 16:23:28
● 2015-06-01 06:39:30
● 2026-08-29 17:53:32

○A208.254.26.1322008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 16:23:28
○ 2015-06-01 06:39:30
○ 2026-08-29 17:53:32

●A88.208.252.92015-06-01 → 2026-08-29 · 3 obs

○ 2008-03-12 16:23:28
● 2015-06-01 06:39:30
● 2026-08-29 17:53:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
developercourses.com	ns1.livedns.co.uk, ns2.livedns.co.uk, ns3.livedns.co.uk	-

✅ Authoritative Response

Server:217.160.81.244

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developercourses.com (unsigned zone)

⏱️ Timing

Total: 778ms | 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.com (pri: 10`
SOA	1	`ns1.livedns.co.uk admin.developercourses`

Analysis

Hierarchy

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

IP Addresses

developercourses.com directs to one IP number, which is 88.208.252.9.

Among the host names that share IP numbers with developercourses.com are wilson-audio.co.uk, siegeweb.com, busparty.london and two others.

Name Servers

developercourses.com is served by three name servers: ns1.livedns.co.uk, ns2.livedns.co.uk and ns3.livedns.co.uk.

At least some of developercourses.com's name servers are shared with other domains, for example eco-cute.store, thorworld.com, owenpine.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.

The hostnames ns1.livedns.co.uk, ns2.livedns.co.uk and ns3.livedns.co.uk each direct to two IP addresses — ns1.livedns.co.uk to 217.160.81.244 and 2001:8d8:fe:53:fa::1, ns2.livedns.co.uk to 217.160.82.244 and 2001:8d8:fe:53:fa::2, and ns3.livedns.co.uk to 185.132.35.244 and 2607:f1c0:fe:53:185:132:35:244.

Mail Servers

developercourses.com routes its mail through a single mail server, mailserver.developercourses.com.

mailserver.developercourses.com resolves to 213.171.216.114 and no other IP number.

developercourses.com - robtex.com