`cgconcept.lu`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:86e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:bc70^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.8.110^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.112^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`fred.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c171^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fred.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2171^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fred.ns.cloudflare.com`
		A	108.162.193.113^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	172.64.33.113^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	173.245.59.113^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.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`
MX	`mail.cgconcept.lu` ⭐
		A	46.105.75.10^{🇫🇷 OVH46.105.0.0/16 ISP Paris, France}
			PTR	`mail.cgconcept.lu`
TXT	`ca3-6cadc965a1fc40288c9a101f488f37b6`
TXT	`v=spf1 a:mail.cgconcept.lu ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.8.110, 172.67.188.112
		IPv6	2606:4700:3033::6815:86e, 2606:4700:3036::ac43:bc70
SOA	`fred.ns.cloudflare.com`dns@cloudflare.com serial=2396520242

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	TXT	`Exported: 2026-02-26 17:01:01`
	SOA	`ns1.dns.lu`noc@restena.lu serial=1772118072

Subdomains

mail.cgconcept.lu

Same first word

cgconcept.eu

cgconcept.lu

cgconcept.fr

Similar names

gcconcept.com

DNS History

17 records (7 active, 10 former)

●NSfred.ns.cloudflare.com2026-02-15 → 2026-03-19 · 3 obs

○ 2017-02-06 19:45:22
● 2026-02-15 06:14:50
● 2026-03-19 03:01:18

●NSgina.ns.cloudflare.com2026-02-15 → 2026-03-19 · 3 obs

○ 2017-02-06 19:45:22
● 2026-02-15 06:14:50
● 2026-03-19 03:01:18

○NSns51.1and1.com2015-07-09 → 2017-02-06 · 4 obs

● 2015-07-09 17:25:00
● 2017-02-06 19:45:22
○ 2026-02-15 06:14:50
○ 2026-03-19 03:01:18

○NSns52.1and1.com2015-07-09 → 2017-02-06 · 4 obs

● 2015-07-09 17:25:00
● 2017-02-06 19:45:22
○ 2026-02-15 06:14:50
○ 2026-03-19 03:01:18

●MXmail.cgconcept.lu2026-02-15 → 2026-03-19 · 3 obs

○ 2017-02-06 19:45:22
● 2026-02-15 06:14:50
● 2026-03-19 03:01:18

○MXmx00.1and1.com2015-07-09 → 2017-02-06 · 4 obs

● 2015-07-09 17:25:00
● 2017-02-06 19:45:22
○ 2026-02-15 06:14:50
○ 2026-03-19 03:01:18

○MXmx01.1and1.com2015-07-09 → 2017-02-06 · 4 obs

● 2015-07-09 17:25:00
● 2017-02-06 19:45:22
○ 2026-02-15 06:14:50
○ 2026-03-19 03:01:18

●A104.21.8.1102026-02-15 → 2026-03-19 · 3 obs

○ 2017-02-06 19:45:22
● 2026-02-15 06:14:50
● 2026-03-19 03:01:18

●A172.67.188.1122026-02-15 → 2026-03-19 · 3 obs

○ 2017-02-06 19:45:22
● 2026-02-15 06:14:50
● 2026-03-19 03:01:18

○A188.114.96.02026-02-15 → 2026-03-19 · 2 obs

○ 2026-02-15 06:14:50
○ 2026-03-19 03:01:18

○A188.114.97.02026-02-15 → 2026-03-19 · 2 obs

○ 2026-02-15 06:14:50
○ 2026-03-19 03:01:18

○A216.250.120.1312016-06-20 → 2017-02-06 · 5 obs

○ 2016-02-28 04:18:14
● 2016-06-20 04:57:48
● 2017-02-06 19:45:22
○ 2026-02-15 06:14:50
○ 2026-03-19 03:01:18

●A2606:4700:3033::6815:86e2026-02-15 → 2026-03-19 · 3 obs

○ 2017-02-06 19:45:22
● 2026-02-15 06:14:50
● 2026-03-19 03:01:18

●A2606:4700:3036::ac43:bc702026-02-15 → 2026-03-19 · 3 obs

○ 2017-02-06 19:45:22
● 2026-02-15 06:14:50
● 2026-03-19 03:01:18

○A2a06:98c1:3120::2026-02-15 → 2026-03-19 · 2 obs

○ 2026-02-15 06:14:50
○ 2026-03-19 03:01:18

○A2a06:98c1:3121::2026-02-15 → 2026-03-19 · 2 obs

○ 2026-02-15 06:14:50
○ 2026-03-19 03:01:18

○A74.208.89.1372015-07-09 → 2016-02-28 · 4 obs

● 2015-07-09 17:25:00
● 2016-02-28 04:18:14
○ 2016-06-20 04:57:48
○ 2026-03-19 03:01:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	g.dns.lu, i.dns.lu, j.dns.lu, k.dns.lu...	12 records
cgconcept.lu	fred.ns.cloudflare.com, gina.ns.cloudflare.com	-

✅ Authoritative Response

Server: 108.162.193.113

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cgconcept.lu (unsigned zone)

⏱️ Timing

Total: 969ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.188.112, 104.21.8.110`
AAAA	2	`2606:4700:3033::6815:86e, 2606:4700:3036::ac43:bc70`
NS	2	`fred.ns.cloudflare.com, gina.ns.cloudflare.com`
MX	1	`mail.cgconcept.lu (pri: 10)`
TXT	2	`ca3-6cadc965a1fc40288c9a101f488f37b6, v=spf1 a:mail.cgconcept.lu ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`fred.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (g.dns.lu, g.dns.lu, i.dns.lu...)

Analysis

Hierarchy

cgconcept.lu is the parent of mail.cgconcept.lu.

IP Addresses

cgconcept.lu points to four IP numbers: 2606:4700:3033::6815:86e, 2606:4700:3036::ac43:bc70, 104.21.8.110 and 172.67.188.112.

For instance, other host names fouhudro.sa.com, field-hop-swing.com, iberti.eu, www.exbet.com and xpertmapping.com share IP numbers with cgconcept.lu.

Name Servers

cgconcept.lu is delegated to two name servers: fred.ns.cloudflare.com and gina.ns.cloudflare.com.

cgconcept.lu uses the same name server setup as other domains such as garcias.lu, doctor.am, bigfibre.com, abccreative.com and berardi.org.

cgconcept.lu shares name servers with other domains at least partially, for example icaros.app, thamai.net, lafisa.de, tapi-mail.com and dragonfg.com.

These name servers are often used together with the name servers pablo.ns.cloudflare.com, dave.ns.cloudflare.com, jim.ns.cloudflare.com, raina.ns.cloudflare.com and elsa.ns.cloudflare.com.

Host names with six IP numbers: host name fred.ns.cloudflare.com points to: 2606:4700:58::adf5:3b71, 2803:f800:50::6ca2:c171, 2a06:98c1:50::ac40:2171, 108.162.193.113, 172.64.33.113 and 173.245.59.113; host name gina.ns.cloudflare.com points to: 2606:4700:50::adf5:3a75, 2803:f800:50::6ca2:c075, 2a06:98c1:50::ac40:2075, 108.162.192.117, 172.64.32.117 and 173.245.58.117.

Mail Servers

cgconcept.lu is handled by a single mail server, mail.cgconcept.lu.

mail.cgconcept.lu points to a single IP: 46.105.75.10.

cgconcept.lu - robtex.com

cgconcept.lu

lu

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`cgconcept.lu`

`lu`