`coreconceptsdns.com`

DNSSEC	⚠️ Not signed
A	103.14.236.18^{🇸🇬 M1NET-SG-AP103.14.236.0/22 Xssist Group Pte Ltd 171A Edgedale Plains 17-430}
		PTR	`server.coreconceptsdns.com`
NS	`gina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c075^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2075^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gina.ns.cloudflare.com`
		A	108.162.192.117^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	172.64.32.117^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	173.245.58.117^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
NS	`hugh.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c175^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hugh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2175^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hugh.ns.cloudflare.com`
		A	108.162.193.117^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	172.64.33.117^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	173.245.59.117^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
MX	`mail.coreconcepts.sg` ⭐
SOA	`gina.ns.cloudflare.com`dns@cloudflare.com serial=2405528440

`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=1783216141

Subdomains

server.coreconceptsdns.com

ns2.coreconceptsdns.com

ns1.coreconceptsdns.com

Same first word

coreconceptsdns.com

DNS History

7 records (4 active, 3 former)

●NSgina.ns.cloudflare.com2026-02-17 → 2026-07-05 · 3 obs

○ 2017-05-14 20:01:46
● 2026-02-17 13:12:42
● 2026-07-05 02:14:40

●NShugh.ns.cloudflare.com2026-02-17 → 2026-07-05 · 3 obs

○ 2017-05-14 20:01:46
● 2026-02-17 13:12:42
● 2026-07-05 02:14:40

○NSns1.ipmirror.com2015-05-24 → 2017-05-14 · 4 obs

● 2015-05-24 15:59:28
● 2017-05-14 20:01:46
○ 2026-02-17 13:12:42
○ 2026-07-05 02:14:40

○NSns2.ipmirror.com2015-05-24 → 2017-05-14 · 4 obs

● 2015-05-24 15:59:28
● 2017-05-14 20:01:46
○ 2026-02-17 13:12:42
○ 2026-07-05 02:14:40

○NSns3.ipmirror.com2015-05-24 → 2017-05-14 · 4 obs

● 2015-05-24 15:59:28
● 2017-05-14 20:01:46
○ 2026-02-17 13:12:42
○ 2026-07-05 02:14:40

●MXmail.coreconcepts.sg2026-02-17 → 2026-07-05 · 2 obs

● 2026-02-17 13:12:42
● 2026-07-05 02:14:40

●A103.14.236.182026-02-17 → 2026-07-05 · 2 obs

● 2026-02-17 13:12:42
● 2026-07-05 02:14:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
coreconceptsdns.com	gina.ns.cloudflare.com, hugh.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.117

NS records: gina.ns.cloudflare.com, hugh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coreconceptsdns.com (unsigned zone)

⏱️ Timing

Total: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.14.236.18`
NS	2	`gina.ns.cloudflare.com, hugh.ns.cloudflare.com`
MX	1	`mail.coreconcepts.sg (pri: 0)`
SOA	1	`gina.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (gina.ns.cloudflare.com, gina.ns.cloudflare.com, gina.ns.cloudflare.com...)

Analysis

Hierarchy

server.coreconceptsdns.com, ns2.coreconceptsdns.com and ns1.coreconceptsdns.com are all subdomains of coreconceptsdns.com.

IP Addresses

coreconceptsdns.com resolves to one IP address: 103.14.236.18.

Host names such as ns1.coreconceptsdns.com, coreconcepts.sg and server.coreconceptsdns.com share their IP numbers with coreconceptsdns.com.

Name Servers

coreconceptsdns.com has two authoritative name servers — gina.ns.cloudflare.com and hugh.ns.cloudflare.com.

coreconceptsdns.com uses the same name servers as several other domains — among them rojadirectaonline.org, d20.info, minecraft-mp.com and two more.

The name servers of coreconceptsdns.com overlap at least partially with those of other domains — among them floridamusicservice.com, cw.com.tw, vtfe.com.au and two more.

These name servers commonly co-occur with the name servers chan.ns.cloudflare.com, dave.ns.cloudflare.com, jim.ns.cloudflare.com and anderson.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

gina.ns.cloudflare.com points to 108.162.192.117, 172.64.32.117, 173.245.58.117 and 3 other IP addresses.

hugh.ns.cloudflare.com points to 108.162.193.117, 172.64.33.117, 173.245.59.117 and 3 other IP addresses.

Mail Servers

Mail for coreconceptsdns.com is handled by a single mail server, mail.coreconcepts.sg.

The mail server configuration of coreconceptsdns.com is identical to that of other domains — coreconcepts.com.sg being one example.

coreconceptsdns.com - robtex.com