`cresfa-formation.com`

DNSSEC	🔒 Signed (DS record present)
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	`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-131-a.gandi.net`
		A	2001:4b98:aaaa::84^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-131-a.gandi.net`
		A	173.246.100.132^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-131-a.gandi.net`
NS	`ns-135-c.gandi.net`
		A	2604:3400:aaac::88^{🇺🇸 GANDI-LIVEDNS2604:3400:aaac::/48 Gandi US Inc.}
			PTR	`ns-135-c.gandi.net`
		A	217.70.187.136^{🇫🇷 GANDI-LIVEDNS217.70.187.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-135-c.gandi.net`
NS	`ns-165-b.gandi.net`
		A	2001:4b98:aaab::a6^{🇫🇷 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-165-b.gandi.net`
		A	213.167.230.166^{🇫🇷 GANDI-LIVEDNS213.167.230.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-165-b.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	`ns1.gandi.net`hostmaster@gandi.net serial=1773878400

`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=1771291435

Same first word

cresfa-formation.com

Similar names

arcef-formations.fr

DNS History

14 records (7 active, 7 former)

○NSa.dns.gandi.net2017-12-26 → 2017-12-26 · 3 obs

○ 2016-12-18 14:20:00
● 2017-12-26 17:33:34
○ 2026-03-23 14:22:24

○NSb.dns.gandi.net2017-12-26 → 2017-12-26 · 3 obs

○ 2016-12-18 14:20:00
● 2017-12-26 17:33:34
○ 2026-03-23 14:22:24

○NSc.dns.gandi.net2017-12-26 → 2017-12-26 · 3 obs

○ 2016-12-18 14:20:00
● 2017-12-26 17:33:34
○ 2026-03-23 14:22:24

●NSns-131-a.gandi.net2026-03-23 → 2026-03-23 · 2 obs

○ 2017-12-26 17:33:34
● 2026-03-23 14:22:24

●NSns-135-c.gandi.net2026-03-23 → 2026-03-23 · 2 obs

○ 2017-12-26 17:33:34
● 2026-03-23 14:22:24

●NSns-165-b.gandi.net2026-03-23 → 2026-03-23 · 2 obs

○ 2017-12-26 17:33:34
● 2026-03-23 14:22:24

●NSns1.gandi.net2026-03-23 → 2026-03-23 · 2 obs

○ 2017-12-26 17:33:34
● 2026-03-23 14:22:24

○NSns3.dns26.net2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 14:20:00
○ 2017-12-26 17:33:34
○ 2026-03-23 14:22:24

○NSns4.dns26.net2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 14:20:00
○ 2017-12-26 17:33:34
○ 2026-03-23 14:22:24

●MXfb.mail.gandi.net2017-12-26 → 2026-03-23 · 3 obs

○ 2016-12-18 14:20:00
● 2017-12-26 17:33:34
● 2026-03-23 14:22:24

○MXmail.cresfa-formation.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 14:20:00
○ 2017-12-26 17:33:34
○ 2026-03-23 14:22:24

●MXspool.mail.gandi.net2017-12-26 → 2026-03-23 · 3 obs

○ 2016-12-18 14:20:00
● 2017-12-26 17:33:34
● 2026-03-23 14:22:24

●A217.70.184.382017-12-26 → 2026-03-23 · 3 obs

○ 2016-12-18 14:20:00
● 2017-12-26 17:33:34
● 2026-03-23 14:22:24

○A92.39.255.452016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 14:20:00
○ 2017-12-26 17:33:34
○ 2026-03-23 14:22:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cresfa-formation.com	ns-131-a.gandi.net, ns-165-b.gandi.net, ns-135-c.gandi.net	-

✅ Authoritative Response

Server:217.70.187.136

NS records: ns-131-a.gandi.net, ns-165-b.gandi.net, ns-135-c.gandi.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 668ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.70.184.38`
NS	3	`ns-131-a.gandi.net, ns-165-b.gandi.net...`
MX	2	`spool.mail.gandi.net (pri: 10), fb.mail.gandi.net (pri: 50)`
TXT	1	`v=spf1 include:_mailcust.gandi.net ?all`
SOA	1	`ns1.gandi.net hostmaster.gandi.net`

Analysis

IP Addresses

cresfa-formation.com resolves to one IP number: 217.70.184.38.

Other host names, for instance gestonline.fr, aircraftservices.international, bqlms.com, bouffort.net and sunstar.it share IP numbers with cresfa-formation.com.

Name Servers

cresfa-formation.com delegates to four name servers: ns-131-a.gandi.net, ns-135-c.gandi.net, ns-165-b.gandi.net and ns1.gandi.net.

cresfa-formation.com at least partially shares name servers with other domains, including maylie.fr, titrafilm.com, microsoft-dynamics-crm-online.de, smartsupport.fr and curio.is.

these name servers are commonly used with ns-84-c.gandi.net, ns-75-b.gandi.net, ns-38-c.gandi.net, ns-100-c.gandi.net, ns-144-c.gandi.net, ns-235-c.gandi.net, ns-14-c.gandi.net, ns-217-a.gandi.net and ns-79-a.gandi.net.

Host names with two IP numbers: ns-131-a.gandi.net points to 2001:4b98:aaaa::84 and 173.246.100.132; ns-135-c.gandi.net points to 2604:3400:aaac::88 and 217.70.187.136; ns-165-b.gandi.net points to 2001:4b98:aaab::a6 and 213.167.230.166; ns1.gandi.net points to 2001:4b98:aaaa::2 and 173.246.100.2.

Mail Servers

cresfa-formation.com is served by two mail servers fb.mail.gandi.net and spool.mail.gandi.net.

cresfa-formation.com shares the same mail server setup as other domains, for instance talmeliers.com, souvenirsfromearth.tv, algorithme.info, btwin.co.il and alphavalue.be.

cresfa-formation.com shares some mail servers with other domains, at least in part; for example s-et-f.com and priv.fr.

Host names with six IP numbers: fb.mail.gandi.net 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 names with two IP numbers: spool.mail.gandi.net points to 2001:4b98:e00::1 and 217.70.178.1.

cresfa-formation.com - robtex.com