`crdx.org`

DNSSEC	⚠️ Not signed
A	68.183.254.78^{🇬🇧 DIGITALOCEAN68.183.252.0/22 DigitalOcean}
NS	`ns1.gandi.net` ⭐
		A	2001:4b98:aaaa::2^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-1-a.gandi.net`
		A	173.246.100.2^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-1-a.gandi.net`
NS	`ns-105-a.gandi.net`
		A	2001:4b98:aaaa::6a^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-105-a.gandi.net`
		A	173.246.100.106^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-105-a.gandi.net`
NS	`ns-173-b.gandi.net`
		A	2001:4b98:aaab::ae^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaab::/48 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`ns-173-b.gandi.net`
		A	213.167.230.174^{🇫🇷 GANDI-LIVEDNS213.167.230.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-173-b.gandi.net`
NS	`ns-32-c.gandi.net`
		A	2604:3400:aaac::21^{🇺🇸 GANDI-LIVEDNS2604:3400:aaac::/48 Gandi US Inc.}
			PTR	`ns-32-c.gandi.net`
		A	217.70.187.33^{🇫🇷 GANDI-LIVEDNS217.70.187.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-32-c.gandi.net`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
		A	204.75.18.216
			PTR	`ams-mx-01.messagingengine.com`
		A	204.75.18.217
			PTR	`ams-mx-02.messagingengine.com`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
SOA	`ns1.gandi.net`hostmaster@gandi.net serial=1781136000

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1781145120

Same first word

crdx.me

crdx.de

crdx.com

crdx.net

crdx.ru

crdx.org

crdx.nl

Similar names

rdcx.com

rdxc.org

xrcd.net

dxrc.net

rcxd.com.cn

crxd.com.cn

dcrx.cn

crxd.cn

xcrd.cn

dxrc.cn

rcdx.de

xcdr.cloud

xdcr.com

cdrx.io

cdxr.com.cn

rcdx.cn

cdrx.ru

drxc.ca

cdrx.com.cn

dcxr.cn

cdrx.net

rxdc.com

rdcx.shop

rdxc.cn

rdxc.com

drxc.com

drcx.com

xrdc.net

xrcd.eu

rdxc.net

cdxr.cn

xcdr.cc

cdrx.com

drxc.org

dxcr.com

cxrd.cn

dcrx.fr

rcxd.com

crxd.com

rdxc.com.cn

xcdr.cn

drxc.cn

dcrx.eu

DNS History

14 records (7 active, 7 former)

○NSa.dns.gandi.net2015-05-24 → 2017-01-27 · 4 obs

● 2015-05-24 13:44:56
● 2017-01-27 23:32:46
○ 2026-05-01 00:13:04
○ 2026-06-11 02:50:56

○NSb.dns.gandi.net2015-05-24 → 2017-01-27 · 4 obs

● 2015-05-24 13:44:56
● 2017-01-27 23:32:46
○ 2026-05-01 00:13:04
○ 2026-06-11 02:50:56

○NSc.dns.gandi.net2015-05-24 → 2017-01-27 · 4 obs

● 2015-05-24 13:44:56
● 2017-01-27 23:32:46
○ 2026-05-01 00:13:04
○ 2026-06-11 02:50:56

●NSns-105-a.gandi.net2026-05-01 → 2026-06-11 · 3 obs

○ 2017-01-27 23:32:46
● 2026-05-01 00:13:04
● 2026-06-11 02:50:56

●NSns-173-b.gandi.net2026-05-01 → 2026-06-11 · 3 obs

○ 2017-01-27 23:32:46
● 2026-05-01 00:13:04
● 2026-06-11 02:50:56

●NSns-32-c.gandi.net2026-05-01 → 2026-06-11 · 3 obs

○ 2017-01-27 23:32:46
● 2026-05-01 00:13:04
● 2026-06-11 02:50:56

●NSns1.gandi.net2026-05-01 → 2026-06-11 · 3 obs

○ 2017-01-27 23:32:46
● 2026-05-01 00:13:04
● 2026-06-11 02:50:56

○MXfb.mail.gandi.net2015-05-24 → 2017-01-27 · 4 obs

● 2015-05-24 13:44:56
● 2017-01-27 23:32:46
○ 2026-05-01 00:13:04
○ 2026-06-11 02:50:56

●MXin1-smtp.messagingengine.com2026-05-01 → 2026-06-11 · 3 obs

○ 2017-01-27 23:32:46
● 2026-05-01 00:13:04
● 2026-06-11 02:50:56

●MXin2-smtp.messagingengine.com2026-05-01 → 2026-06-11 · 3 obs

○ 2017-01-27 23:32:46
● 2026-05-01 00:13:04
● 2026-06-11 02:50:56

○MXspool.mail.gandi.net2015-05-24 → 2017-01-27 · 4 obs

● 2015-05-24 13:44:56
● 2017-01-27 23:32:46
○ 2026-05-01 00:13:04
○ 2026-06-11 02:50:56

○A2001:4b98:dc0:950::1392015-05-24 → 2017-01-27 · 4 obs

● 2015-05-24 13:44:56
● 2017-01-27 23:32:46
○ 2026-05-01 00:13:04
○ 2026-06-11 02:50:56

○A217.70.180.1392015-05-24 → 2017-01-27 · 4 obs

● 2015-05-24 13:44:56
● 2017-01-27 23:32:46
○ 2026-05-01 00:13:04
○ 2026-06-11 02:50:56

●A68.183.254.782026-05-01 → 2026-06-11 · 3 obs

○ 2017-01-27 23:32:46
● 2026-05-01 00:13:04
● 2026-06-11 02:50:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
crdx.org	ns-105-a.gandi.net, ns-173-b.gandi.net, ns-32-c.gandi.net	-

✅ Authoritative Response

Server:173.246.100.106

NS records: ns-105-a.gandi.net, ns-173-b.gandi.net, ns-32-c.gandi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crdx.org (unsigned zone)

⏱️ Timing

Total: 1092ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`68.183.254.78`
NS	3	`ns-32-c.gandi.net, ns-173-b.gandi.net...`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com ?`
SOA	1	`ns1.gandi.net hostmaster.gandi.net`

Analysis

IP Addresses

crdx.org resolves to one IP address: 68.183.254.78.

There are other host names — irc.sysnode.org among them — that share IP numbers with crdx.org.

Name Servers

crdx.org is delegated to four name servers, ns-105-a.gandi.net, ns-173-b.gandi.net, ns-32-c.gandi.net and ns1.gandi.net.

crdx.org shares at least some of its name servers with other domains, including studyrama.fr, yamuti.com, stradalex.com and two others.

These name servers are frequently seen alongside ns-90-b.gandi.net, ns-78-b.gandi.net, ns-161-a.gandi.net and 6 other name servers.

The host names ns-105-a.gandi.net, ns-173-b.gandi.net, ns-32-c.gandi.net and ns1.gandi.net each resolve to two IP addresses: ns-105-a.gandi.net resolves to 173.246.100.106 and 2001:4b98:aaaa::6a; ns-173-b.gandi.net resolves to 213.167.230.174 and 2001:4b98:aaab::ae; ns-32-c.gandi.net resolves to 217.70.187.33 and 2604:3400:aaac::21; ns1.gandi.net resolves to 173.246.100.2 and 2001:4b98:aaaa::2.

Mail Servers

Mail for crdx.org is handled by two mail servers — in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

crdx.org uses an identical mail server configuration to several other domains — among them mail.diktis.org, thunderforest.com, pro-research.com and two more.

crdx.org shares at least some of its mail servers with other domains, such as pixn.com.

Hostnames that resolve to 8 IP addresses:

in1-smtp.messagingengine.com has IP addresses 103.168.172.216, 103.168.172.217 and 103.168.172.218, plus 5 other.

Hostnames that resolve to 6 IP addresses:

in2-smtp.messagingengine.com has IP addresses 202.12.124.216, 202.12.124.217 and 202.12.124.218, plus 3 other.

crdx.org - robtex.com

crdx.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`crdx.org`

`org`