`mail.csfr.fr`

DNSSEC	⚠️ Not signed
A	109.234.167.40^{🇫🇷 O2SWITCH109.234.164.0/22}
		PTR	`109-234-167-40.reverse.odns.fr`

`csfr.fr`

	DNSSEC	⚠️ Not signed
	A	109.234.167.40^{🇫🇷 O2SWITCH109.234.164.0/22}
	NS	`ns1.o2switch.net` ⭐
	NS	`ns2.o2switch.net`
	MX	`mail.csfr.fr` ⭐
	TXT	`v=spf1 ip4:109.234.167.40 +a +mx +include:spf.jabatus.fr ~all`
	SOA	`ns1.o2switch.net`sysadmin@o2switch.fr 2026-07-21 #4

MX for

csfr.fr

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DNS History

1 record (1 active, 0 former)

●A109.234.167.402026-08-05 → 2026-08-07 · 2 obs

● 2026-08-05 20:02:56
● 2026-08-07 02:14:00

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:109.234.160.5

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csfr.fr (unsigned zone)

⏱️ Timing

Total: 980ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.234.167.40`

Analysis

Mail Server Role

Mail for csfr.fr is routed through the mail server mail.csfr.fr.

IP Addresses

mail.csfr.fr has exactly one IP address — 109.234.167.40.

mail.dream-services.fr, mail.icp-pp.eu, 109-234-167-40.reverse.odns.fr plus two other host names have IP numbers in common with mail.csfr.fr.

mail.csfr.fr - robtex.com

mail.csfr.fr

csfr.fr