`nc4u.us`

DNSSEC	⚠️ Not signed
A	217.70.184.38^{🇫🇷 GANDI-AS217.70.184.0/24 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
		PTR	`webredir.vip.gandi.net`
NS	`a.dns.gandi.net` ⭐
		A	2604:3400:abca::1^{🇺🇸 GANDI-LIVEDNS2604:3400:abca::/48 A-DNS}
			PTR	`a.dns.gandi.net`
		A	173.246.98.1^{🇺🇸 GANDI-LIVEDNS173.246.98.0/24 A-DNS}
			PTR	`a.dns.gandi.net`
NS	`b.dns.gandi.net`
		A	2001:4b98:abcb::1^{🇫🇷 GANDI-LIVEDNS2001:4b98:abcb::/48 B-DNS}
			PTR	`b.dns.gandi.net`
		A	213.167.229.1^{🇫🇷 GANDI-LIVEDNS213.167.229.0/24 B-DNS}
			PTR	`b.dns.gandi.net`
NS	`c.dns.gandi.net`
		A	2604:3400:abcc::1^{🇺🇸 GANDI-LIVEDNS2604:3400:abcc::/48 c.dns.gandi.net}
			PTR	`c.dns.gandi.net`
		A	217.70.179.1^{🇫🇷 GANDI-LIVEDNS217.70.179.0/24 C-DNS}
			PTR	`c.dns.gandi.net`
MX	`spool.mail.gandi.net` ⭐
		A	2001:4b98:e00::1^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool.mail.gandi.net`
		A	217.70.178.1^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool.mail.gandi.net`
MX	`fb.mail.gandi.net`⁽⁵⁰⁾
		A	2001:4b98:dc4:8::215^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool6.mail.gandi.net`
		A	2001:4b98:dc4:8::216^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool7.mail.gandi.net`
		A	2001:4b98:dc4:8::217^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool8.mail.gandi.net`
		A	217.70.178.215^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool6.mail.gandi.net`
		A	217.70.178.216^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool7.mail.gandi.net`
		A	217.70.178.217^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool8.mail.gandi.net`
TXT	`v=spf1 include:_mailcust.gandi.net ?all`
SOA	`a.dns.gandi.net`hostmaster@gandi.net serial=1614963653

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1776080872

WOT: SAFE (2/100)

Subdomains

netconcept.nc4u.us

Same first word

nc4u.com.br

nc4u.com

nc4u.jp

nc4u.us

Similar names

cn4u.org

nuc4.com

n4uc.net

c4un.com

cn4u.de

cun4.com

4cun.com

cn4u.com

4ucn.com

cnu4.github.io

cu4n.fun

4unc.com

DNS History

12 records (6 active, 6 former)

●NSa.dns.gandi.net2026-03-28 → 2026-04-13 · 3 obs

○ 2016-08-21 22:34:30
● 2026-03-28 14:42:24
● 2026-04-13 12:05:20

●NSb.dns.gandi.net2026-03-28 → 2026-04-13 · 3 obs

○ 2016-08-21 22:34:30
● 2026-03-28 14:42:24
● 2026-04-13 12:05:20

●NSc.dns.gandi.net2026-03-28 → 2026-04-13 · 3 obs

○ 2016-08-21 22:34:30
● 2026-03-28 14:42:24
● 2026-04-13 12:05:20

○NSns.nc4u.us2015-07-20 → 2016-08-21 · 7 obs

● 2015-07-20 06:46:12
● 2016-02-26 18:23:42
○ 2016-05-27 13:12:24
● 2016-08-10 14:39:24
● 2016-08-21 22:34:30
○ 2026-03-28 14:42:24
○ 2026-04-13 12:05:20

○NSns1.nc4u.net2015-07-20 → 2016-08-21 · 9 obs

● 2015-07-20 06:46:12
● 2015-11-17 23:21:54
○ 2016-02-11 17:14:08
○ 2016-02-26 18:23:42
● 2016-05-27 13:12:24
○ 2016-08-10 14:39:24
● 2016-08-21 22:34:30
○ 2026-03-28 14:42:24
○ 2026-04-13 12:05:20

○NSns2.nc4u.net2015-07-20 → 2016-08-21 · 4 obs

● 2015-07-20 06:46:12
● 2016-08-21 22:34:30
○ 2026-03-28 14:42:24
○ 2026-04-13 12:05:20

●MXfb.mail.gandi.net2026-03-28 → 2026-04-13 · 3 obs

○ 2016-08-21 22:34:30
● 2026-03-28 14:42:24
● 2026-04-13 12:05:20

○MXmail.nc4u.us2015-07-20 → 2016-08-21 · 4 obs

● 2015-07-20 06:46:12
● 2016-08-21 22:34:30
○ 2026-03-28 14:42:24
○ 2026-04-13 12:05:20

●MXspool.mail.gandi.net2026-03-28 → 2026-04-13 · 3 obs

○ 2016-08-21 22:34:30
● 2026-03-28 14:42:24
● 2026-04-13 12:05:20

○A174.136.14.1982015-11-17 → 2016-08-21 · 5 obs

○ 2015-07-20 06:46:12
● 2015-11-17 23:21:54
● 2016-08-21 22:34:30
○ 2026-03-28 14:42:24
○ 2026-04-13 12:05:20

○A216.224.176.1182015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 06:46:12
○ 2015-11-17 23:21:54
○ 2026-04-13 12:05:20

●A217.70.184.382026-03-28 → 2026-04-13 · 3 obs

○ 2016-08-21 22:34:30
● 2026-03-28 14:42:24
● 2026-04-13 12:05:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	x.cctld.us, f.cctld.us, k.cctld.us, n.cctld.us...	15 records
nc4u.us	a.dns.gandi.net, b.dns.gandi.net, c.dns.gandi.net	-

✅ Authoritative Response

Server:217.70.179.1

NS records: a.dns.gandi.net, b.dns.gandi.net, c.dns.gandi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nc4u.us (unsigned zone)

⏱️ Timing

Total: 913ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.70.184.38`
NS	3	`c.dns.gandi.net, b.dns.gandi.net...`
MX	2	`fb.mail.gandi.net (pri: 50), spool.mail.gandi.net (pri: 10)`
TXT	1	`v=spf1 include:_mailcust.gandi.net ?all`
SOA	1	`a.dns.gandi.net hostmaster.gandi.net`

📌 Glue Records Collected

Total: 15

In-bailiwick: 15 (y.cctld.us, x.cctld.us, w.cctld.us...)

Analysis

Hierarchy

The parent of netconcept.nc4u.us is nc4u.us.

IP Addresses

nc4u.us points to a single IP number: 217.70.184.38.

Other host names, for instance oddex.com, locentrepots.com, cilsfm.ca, mon-espace-compte.fr and patrium.fr share IP numbers with nc4u.us.

Name Servers

The domain nc4u.us is delegated to three name servers: a.dns.gandi.net, b.dns.gandi.net and c.dns.gandi.net.

nc4u.us shares name servers with other domains at least partially, for instance quix.fr, droussel.net, fpmconsulting.net, interfinance.com and cerbamam.com.

Host names with two IP numbers:

a.dns.gandi.net points to 2604:3400:abca::1 and 173.246.98.1

b.dns.gandi.net points to 2001:4b98:abcb::1 and 213.167.229.1

c.dns.gandi.net points to 2604:3400:abcc::1 and 217.70.179.1

Mail Servers

nc4u.us is handled by two mail servers: fb.mail.gandi.net and spool.mail.gandi.net.

nc4u.us shares the same mail server setup as other domains, including sinbiose.eu, campinglesbastets.com, fbcci.com, humini.net and e-klar.xyz.

nc4u.us shares some mail servers with other domains, including 1shot.email, multi-affichage.com, c-sgroup.net, vnit.fr and initiative.solutions.

Host name fb.mail.gandi.net with six IPs points to 2001:4b98:dc4:8::215, 2001:4b98:dc4:8::216, 2001:4b98:dc4:8::217, 217.70.178.215, 217.70.178.216 and 217.70.178.217; Host name spool.mail.gandi.net with two IPs points to 2001:4b98:e00::1 and 217.70.178.1.

nc4u.us - robtex.com

nc4u.us

us

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

`nc4u.us`

`us`