`optimum-referencement.com`

DNSSEC	⚠️ Not signed
A	81.88.57.68^{🇮🇹 REGISTER-AS81.88.48.0/20 Register.IT S.p.A. prefix}
NS	`ns1.host7x24.com` ⭐
		A	2a01:8100:2911::2:184:4^{🇮🇹 REGISTER-AS2a01:8100:2000::/36}
		A	81.88.61.4^{🇮🇹 REGISTER-AS81.88.48.0/20 Register.IT S.p.A. prefix}
			PTR	`host-81-88-61-4.dedicatedservers.it`
NS	`ns2.host7x24.com`
		A	81.88.63.41^{🇮🇹 REGISTER-AS81.88.63.0/24 Register.IT S.p.A. prefix}
			PTR	`host-81-88-63-41.dedicatedservers.it`
MX	`mx1.optimum-referencement.com` ⭐
		A	81.88.48.101^{🇮🇹 REGISTER-AS81.88.48.0/20 Register.IT S.p.A. prefix}
			PTR	`massenet.register.it`
TXT	`google-site-verification=bmsfYqY3vX-u1AC05E9R01u4eioJ6umfZEwBoL81PBM`
TXT	`v=spf1 include:spf.webapps.net ~all`
SOA	`ns1.host7x24.com`root@amen.fr 2025-05-30 #6

`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=1774564232

Subdomains

mx1.optimum-referencement.com

Same first word

optimum-referencement.com

DNS History

6 records (4 active, 2 former)

●NSns1.host7x24.com2015-05-20 → 2026-03-26 · 2 obs

● 2015-05-20 19:20:40
● 2026-03-26 22:59:10

●NSns2.host7x24.com2015-05-20 → 2026-03-26 · 2 obs

● 2015-05-20 19:20:40
● 2026-03-26 22:59:10

●MXmx1.optimum-referencement.com2015-05-20 → 2026-03-26 · 2 obs

● 2015-05-20 19:20:40
● 2026-03-26 22:59:10

○A185.2.4.372016-08-12 → 2017-06-14 · 4 obs

○ 2016-03-29 07:23:34
● 2016-08-12 06:52:22
● 2017-06-14 21:10:32
○ 2026-03-26 22:59:10

○A81.88.48.952015-05-20 → 2016-03-29 · 4 obs

● 2015-05-20 19:20:40
● 2016-03-29 07:23:34
○ 2016-08-12 06:52:22
○ 2026-03-26 22:59:10

●A81.88.57.682026-03-26 → 2026-03-26 · 2 obs

○ 2017-06-14 21:10:32
● 2026-03-26 22:59:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
optimum-referencement.com	ns1.host7x24.com, ns2.host7x24.com	2 records

✅ Authoritative Response

Server:81.88.61.4

NS records: ns1.host7x24.com, ns2.host7x24.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimum-referencement.com (unsigned zone)

⏱️ Timing

Total: 263ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.88.57.68`
NS	2	`ns2.host7x24.com, ns1.host7x24.com`
MX	1	`mx1.optimum-referencement.com (pri: 10)`
TXT	2	`google-site-verification=bmsfYqY3vX-u1AC, v=spf1 include:spf.webapps.net ~all`
SOA	1	`ns1.host7x24.com root.amen.fr`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.host7x24.com, ns2.host7x24.com)

Analysis

Hierarchy

optimum-referencement.com is the parent of mx1.optimum-referencement.com.

IP Addresses

optimum-referencement.com resolves to a single IP address: 81.88.57.68.

Other host names including co-diffusion.fr, panneau-grillage-rigide.fr, gitedulac.com, ludicmotors.com and excentive.com share IP numbers with optimum-referencement.com.

Name Servers

optimum-referencement.com's delegation uses two name servers, ns1.host7x24.com and ns2.host7x24.com.

optimum-referencement.com shares the same name server setup as other domains, for example atoma.fr, syndicat-librairie.fr, auto-industrial.pt, yob.fr and geosub.fr.

optimum-referencement.com at least partially shares name servers with other domains, including kiteo.com, sbp.pt, precom-riviera.com, richepanse.com and professionnels-cuisson-reception.com.

These name servers are commonly used with ns1.amenworld.com and ns2.amenworld.com.

Hosts with two IPs:

ns1.host7x24.com points to 2a01:8100:2911::2:184:4 and 81.88.61.4.

Hosts with one IP:

ns2.host7x24.com points to 81.88.63.41.

Mail Servers

optimum-referencement.com is handled by a single mail server, mx1.optimum-referencement.com.

mx1.optimum-referencement.com points to a single IP: 81.88.48.101.

optimum-referencement.com - robtex.com