`calculstructure.fr`

DNSSEC	🔒 Signed (DS record present)
A	51.91.120.224^{🇫🇷 OVH51.91.0.0/16}
		PTR	`vps-d214e4ce.vps.ovh.net`
NS	`dns110.ovh.net` ⭐
		A	2001:41d0:d01:400::2^{🇫🇷 OVH2001:41d0::/32 IPv6}
			PTR	`dns110.ovh.net`
		A	5.196.44.1^{🇫🇷 OVH5.196.0.0/16}
			PTR	`dns110.ovh.net`
NS	`ns110.ovh.net`
		A	2001:41d0:b00:fe00::2^{🇫🇷 OVH2001:41d0::/32 IPv6}
			PTR	`ns110.ovh.net`
		A	5.135.78.233^{🇫🇷 OVH5.135.0.0/16}
			PTR	`ns110.ovh.net`
MX	`mx0.mail.ovh.net` ⭐
		A	178.33.252.245^{🇫🇷 OVH178.32.0.0/15 ISP Paris, France}
			PTR	`mx0.mail.ovh.net`
MX	`mx1.mail.ovh.net`⁽⁵⁾
		A	188.165.36.237^{🇫🇷 OVH188.165.0.0/16 ISP Paris, France}
			PTR	`mx1.mail.ovh.net`
MX	`mx2.mail.ovh.net`⁽⁵⁰⁾
		A	87.98.160.167^{🇫🇷 OVH87.98.128.0/17 ISP Paris, France}
			PTR	`mx2.mail.ovh.net`
MX	`mx3.mail.ovh.net`⁽¹⁰⁰⁾
		A	91.121.53.175^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
			PTR	`mx3.mail.ovh.net`
TXT	`1\|www.calculstructure.fr`
TXT	`v=spf1 include:mx.ovh.com ~all`
SOA	`dns110.ovh.net`tech@ovh.net serial=2075642526

`fr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.fr` ⭐
	NS	`d.nic.fr`
	NS	`f.ext.nic.fr`
	NS	`g.ext.nic.fr`
	TXT	`18 RRs processed [13/04/2026 02H10:49]`
	SOA	`a.nic.fr`dnsmaster@afnic.fr serial=2244820299

🔒 HSTS Preload (+subdomains)

Same first word

calculstructure.fr

DNS History

7 records (7 active, 0 former)

●NSdns110.ovh.net2026-04-09 → 2026-04-13 · 2 obs

● 2026-04-09 18:27:42
● 2026-04-13 02:28:02

●NSns110.ovh.net2026-04-09 → 2026-04-13 · 2 obs

● 2026-04-09 18:27:42
● 2026-04-13 02:28:02

●MXmx0.mail.ovh.net2026-04-09 → 2026-04-13 · 2 obs

● 2026-04-09 18:27:42
● 2026-04-13 02:28:02

●MXmx1.mail.ovh.net2026-04-09 → 2026-04-13 · 2 obs

● 2026-04-09 18:27:42
● 2026-04-13 02:28:02

●MXmx2.mail.ovh.net2026-04-09 → 2026-04-13 · 2 obs

● 2026-04-09 18:27:42
● 2026-04-13 02:28:02

●MXmx3.mail.ovh.net2026-04-09 → 2026-04-13 · 2 obs

● 2026-04-09 18:27:42
● 2026-04-13 02:28:02

●A51.91.120.2242026-04-09 → 2026-04-13 · 2 obs

● 2026-04-09 18:27:42
● 2026-04-13 02:28:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fr	d.nic.fr, f.ext.nic.fr, g.ext.nic.fr	-
calculstructure.fr	ns110.ovh.net, dns110.ovh.net	-

✅ Authoritative Response

Server:5.196.44.1

NS records: ns110.ovh.net, dns110.ovh.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 938ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.91.120.224`
NS	2	`dns110.ovh.net, ns110.ovh.net`
MX	4	`mx1.mail.ovh.net (pri: 5), mx0.mail.ovh.net (pri: 1)...`
TXT	2	`v=spf1 include:mx.ovh.com ~all, 1\|www.calculstructure.fr`
SOA	1	`dns110.ovh.net tech.ovh.net`

Analysis

IP Addresses

calculstructure.fr points to a single IP: 51.91.120.224.

Name Servers

Two name servers dns110.ovh.net and ns110.ovh.net handle delegation for calculstructure.fr.

calculstructure.fr uses the same name server setup as other domains, for example disolter.com, lenzicar.com, appel-infirmier.fr, mondoramas.com and hotrevenuemanager.it.

calculstructure.fr shares name servers with other domains at least partially, for instance isapro-online.fr, monitortecno.es and jarmag.pl.

Host names with two IP numbers:

dns110.ovh.net points to: 2001:41d0:d01:400::2 and 5.196.44.1

ns110.ovh.net points to: 2001:41d0:b00:fe00::2 and 5.135.78.233

Mail Servers

calculstructure.fr is handled by four mail servers: mx0.mail.ovh.net, mx1.mail.ovh.net, mx2.mail.ovh.net and mx3.mail.ovh.net.

calculstructure.fr shares some mail servers with other domains, at least partially, such as mudlo.pl, ip-147-135-151.eu, agriethic.fr, action-visa.biz and syladebox.com.

These mail servers are often used with the mail servers mx4.mail.ovh.net.

Host names with one IP:

mx0.mail.ovh.net points to 178.33.252.245

mx1.mail.ovh.net points to 188.165.36.237

mx2.mail.ovh.net points to 87.98.160.167

mx3.mail.ovh.net points to 91.121.53.175

calculstructure.fr - robtex.com