`coursalexandre.com`

DNSSEC	⚠️ Not signed
A	185.157.245.148^{🇫🇷 NETRIX-AS185.157.245.0/24}
		PTR	`coursalexandre.com`
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
MX	`mail.coursalexandre.com` ⭐
		A	185.157.245.148^{🇫🇷 NETRIX-AS185.157.245.0/24}
			PTR	`coursalexandre.com`
TXT	`v=spf1 ip4:185.157.245.148 -all`
TXT	`mail._domainkey IN TXT ( v=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkqhkiG9w0B...`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1774703906

`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=1776229717

PTR for

148.245.157.185.in-addr.arpa

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coursalexandre.com	dns1.registrar-servers.com, dns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.133.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursalexandre.com (unsigned zone)

⏱️ Timing

Total: 90ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.157.245.148`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	1	`mail.coursalexandre.com (pri: 10)`
TXT	2	`v=spf1 ip4:185.157.245.148 -all, mail._domainkey IN TXT ( v=DKIM1; h=sha2`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)

Analysis

IP Addresses

coursalexandre.com points to a single IP: 185.157.245.148.

Other host names, for instance coursprod.com, share IP numbers with coursalexandre.com.

Name Servers

coursalexandre.com's delegation is to two name servers dns1.registrar-servers.com and dns2.registrar-servers.com.

coursalexandre.com shares the same name server configuration as other domains, such as classic7777.com, slotsmachinefree.com, beachy.co, nxnjz.net and matthewswitzer.com.

coursalexandre.com shares name servers with other domains to at least some extent, for instance irpwr.com and diannegodwin.me.

These name servers are commonly used with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Host names with two IP numbers: dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200.

Mail Servers

coursalexandre.com is served by a single mail server, mail.coursalexandre.com.

mail.coursalexandre.com points to IP number 185.157.245.148.

coursalexandre.com - robtex.com