`javainterviewguide.com`

DNSSEC	⚠️ Not signed
A	162.243.186.164^{🇺🇸 DIGITALOCEAN162.243.184.0/22 DigitalOcean}
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
SOA	`ns1.digitalocean.com`hostmaster@javainterviewguide.com serial=1475633464

`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=1776018052

Same first word

javainterviewguide.com

DNS History

4 records (4 active, 0 former)

●NSns1.digitalocean.com2016-12-17 → 2026-04-12 · 2 obs

● 2016-12-17 00:45:48
● 2026-04-12 18:33:00

●NSns2.digitalocean.com2016-12-17 → 2026-04-12 · 2 obs

● 2016-12-17 00:45:48
● 2026-04-12 18:33:00

●NSns3.digitalocean.com2016-12-17 → 2026-04-12 · 2 obs

● 2016-12-17 00:45:48
● 2026-04-12 18:33:00

●A162.243.186.1642016-12-17 → 2026-04-12 · 2 obs

● 2016-12-17 00:45:48
● 2026-04-12 18:33:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net...	-
javainterviewguide.com	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	3 records

✅ Authoritative Response

Server:172.64.53.21

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for javainterviewguide.com (unsigned zone)

⏱️ Timing

Total: 303ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.243.186.164`
NS	3	`ns1.digitalocean.com, ns3.digitalocean.com...`
SOA	1	`ns1.digitalocean.com hostmaster.javainte`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

IP Addresses

javainterviewguide.com points to a single IP number: 162.243.186.164.

Other host names, for instance imadp.com and ipoprospector.com, share IP numbers with javainterviewguide.com.

Name Servers

The domain javainterviewguide.com is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

javainterviewguide.com shares name servers with other domains at least partially, for instance netcopiadoras.com, component.host, webartdesign.io, marthataylorviolin.com and memorista.com.

Host names with two IP numbers:

ns1.digitalocean.com points to 2606:4700:52::ac40:34d2 and 172.64.52.210

ns2.digitalocean.com points to 2606:4700:5a::ac40:3515 and 172.64.53.21

ns3.digitalocean.com points to 2606:4700:52::ac40:31d1 and 172.64.49.209

javainterviewguide.com - robtex.com