`mail.math-performance.fr`

CNAME	`math-performance.fr`
DNSSEC	⚠️ Not signed
A	109.234.162.250^{🇫🇷 O2SWITCH109.234.162.0/24 o2switch Internet Routing}
		PTR	`109-234-162-250.reverse.odns.fr`
NS	`ns1.o2switch.net` ⭐
		A	109.234.160.5^{🇫🇷 O2SWITCH109.234.160.0/24 o2switch Internet Routing}
			PTR	`ns1.o2switch.net`
NS	`ns2.o2switch.net`
		A	109.234.161.5^{🇫🇷 O2SWITCH109.234.161.0/24 o2switch Internet Routing}
			PTR	`ns2.o2switch.net`
MX	`math-performance.fr` ⭐
		A	109.234.162.250^{🇫🇷 O2SWITCH109.234.162.0/24 o2switch Internet Routing}
			PTR	`109-234-162-250.reverse.odns.fr`
TXT	`v=spf1 ip4:109.234.162.250 +a +mx +include:spf.jabatus.fr ~all`
SOA	`ns1.o2switch.net`systemshl@o2switch.fr 2026-03-01 #4

`math-performance.fr`

	DNSSEC	⚠️ Not signed
	A	109.234.162.250^{🇫🇷 O2SWITCH109.234.162.0/24 o2switch Internet Routing}
	NS	`ns1.o2switch.net` ⭐
	NS	`ns2.o2switch.net`
	MX	`math-performance.fr` ⭐
	TXT	`v=spf1 ip4:109.234.162.250 +a +mx +include:spf.jabatus.fr ~all`
	SOA	`ns1.o2switch.net`systemshl@o2switch.fr 2026-03-01 #4

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math-performance.fr

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fr	d.nic.fr, f.ext.nic.fr, g.ext.nic.fr	-
math-performance.fr	ns2.o2switch.net, ns1.o2switch.net	-

✅ Authoritative Response

Server:109.234.161.5

NS records: ns2.o2switch.net, ns1.o2switch.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for math-performance.fr (unsigned zone)

⏱️ Timing

Total: 734ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`math-performance.fr`

Analysis

IP Addresses

mail.math-performance.fr resolves to a single IP: 109.234.162.250.

Other host names, for instance mail.latest-news-headlines.eu, mail.ipremiere.eu, acsor.fr, lcds.fr and groupe-bd.fr share IP numbers with mail.math-performance.fr.

Name Servers

mail.math-performance.fr has two name servers: ns1.o2switch.net and ns2.o2switch.net.

mail.math-performance.fr shares the same name server setup as other domains, for example union-gramme.be, edwardmagnaldo.com, bijouxmarket.fr, assb.fr and cflp.eu.

Host names with a single IP:

ns1.o2switch.net points to 109.234.160.5

ns2.o2switch.net points to 109.234.161.5

Mail Servers

mail.math-performance.fr is handled by a single mail server, math-performance.fr.

mail.math-performance.fr uses the same mail server setup as other domains, for example math-performance.fr.

Host name math-performance.fr points to IP 109.234.162.250.

mail.math-performance.fr - robtex.com