`mail.certainement.fr`

DNSSEC	⚠️ Not signed
A	109.234.167.134^{🇫🇷 O2SWITCH109.234.164.0/22}
		PTR	`109-234-167-134.reverse.odns.fr`

`certainement.fr`

	DNSSEC	⚠️ Not signed
	A	78.40.11.88^{🇫🇷 O2SWITCH78.40.8.0/22 o2switch Internet Routing}
	NS	`ns1.o2switch.net` ⭐
	NS	`ns2.o2switch.net`
	MX	`mail.certainement.fr` ⭐
	TXT	`v=spf1 ip4:109.234.167.134 +a +mx +include:spf.jabatus.fr ~all`
	SOA	`ns1.o2switch.net`sysadmin@o2switch.fr 2025-11-15 #5

MX for

certainement.fr

Same first word

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DNS History

1 record (1 active, 0 former)

●A109.234.167.1342026-04-30 → 2026-06-07 · 5 obs

● 2026-04-30 12:14:16
● 2026-05-19 14:13:52
○ 2026-05-24 19:43:22
● 2026-06-07 00:22:16
● 2026-06-07 00:22:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fr	f.ext.nic.fr, d.nic.fr, g.ext.nic.fr	-
certainement.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 certainement.fr (unsigned zone)

⏱️ Timing

Total: 2734ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.234.167.134`

Analysis

Mail Server Role

mail.certainement.fr is used as a mail server for certainement.fr.

IP Addresses

mail.certainement.fr resolves to just one IP address, 109.234.167.134.

Two other host names, along with birdykids.com, _dc-mx.58f096f048b2.chateau-du-martinet.fr and www.addfiction.com, also share IP numbers with mail.certainement.fr.

mail.certainement.fr - robtex.com