`masterclassapp.com`

DNSSEC	⚠️ Not signed
A	35.181.71.204^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
		PTR	`ec2-35-181-71-204.eu-west-3.compute.amazonaws.com`
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	`google-site-verification=7GsNqy7NKaQBb-pnQ59cmHwD7FA0Inj56EyQFsFEq3g`
SOA	`a.dns.gandi.net`hostmaster@gandi.net serial=1607187601

`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

Subdomains

cloud.masterclassapp.com

Same first word

masterclassapp.com

DNS History

7 records (6 active, 1 former)

●NSa.dns.gandi.net2015-08-13 → 2026-03-14 · 2 obs

● 2015-08-13 19:21:04
● 2026-03-14 16:07:52

●NSb.dns.gandi.net2015-08-13 → 2026-03-14 · 2 obs

● 2015-08-13 19:21:04
● 2026-03-14 16:07:52

●NSc.dns.gandi.net2015-08-13 → 2026-03-14 · 2 obs

● 2015-08-13 19:21:04
● 2026-03-14 16:07:52

●MXfb.mail.gandi.net2015-08-13 → 2026-03-14 · 2 obs

● 2015-08-13 19:21:04
● 2026-03-14 16:07:52

●MXspool.mail.gandi.net2015-08-13 → 2026-03-14 · 2 obs

● 2015-08-13 19:21:04
● 2026-03-14 16:07:52

○A176.31.251.1862015-08-13 → 2017-06-10 · 4 obs

● 2015-08-13 19:21:04
● 2017-06-10 11:24:50
○ 2026-02-17 05:43:00
○ 2026-03-14 16:07:52

●A35.181.71.2042026-02-17 → 2026-03-14 · 3 obs

○ 2017-06-10 11:24:50
● 2026-02-17 05:43:00
● 2026-03-14 16:07:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...	-
masterclassapp.com	a.dns.gandi.net, b.dns.gandi.net, c.dns.gandi.net	-

✅ Authoritative Response

Server: 213.167.229.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masterclassapp.com (unsigned zone)

⏱️ Timing

Total: 762ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.181.71.204`
NS	3	`a.dns.gandi.net, b.dns.gandi.net...`
MX	2	`fb.mail.gandi.net (pri: 50), spool.mail.gandi.net (pri: 10)`
TXT	1	`google-site-verification=7GsNqy7NKaQBb-p`
SOA	1	`a.dns.gandi.net hostmaster.gandi.net`

Analysis

Hierarchy

masterclassapp.com is a parent of cloud.masterclassapp.com.

IP Addresses

masterclassapp.com points to a single IP number: 35.181.71.204.

Other host names such as ec2-35-181-71-204.eu-west-3.compute.amazonaws.com and la440.com share IP numbers with masterclassapp.com.

Name Servers

The delegation for masterclassapp.com is handled by three name servers: a.dns.gandi.net, b.dns.gandi.net and c.dns.gandi.net.

masterclassapp.com at least partially shares name servers with other domains, for instance retraitedanslaville.fr, dooxt.com, cliiink.net, 12avenue.com and ccepo.fr.

Two IP numbers per host:

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

masterclassapp.com is handled by two mail servers: fb.mail.gandi.net and spool.mail.gandi.net.

masterclassapp.com uses the same mail server configuration as other domains, such as tomhe.net, clinique-veterinaire-jean-jaures.fr, thefamilyfarmeradventurehour.com, lomsko.com and promotool.fr.

masterclassapp.com shares mail servers with other domains, at least partially, for instance tuv-saintetiennebellevue.com and icone-brandkeeper.com.

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.

masterclassapp.com - robtex.com