mail.osdevelopment.fr - dns.ninja

`mail.osdevelopment.fr`

	CNAME	`mail.office365.com`
	CNAME	`outlook.office365.com`
	CNAME	`outlook.cloud.microsoft`
	DNSSEC	⚠️ Not signed

`osdevelopment.fr`

	DNSSEC	⚠️ Not signed
	A	109.234.167.71^{🇫🇷 O2SWITCH109.234.164.0/22}
	NS	`ns1.gandi.net` ⭐
	NS	`ns-140-a.gandi.net`
	NS	`ns-149-b.gandi.net`
	NS	`ns-177-c.gandi.net`
	MX	`osdevelopment-fr.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 ip4:185.43.68.58 ip4:109.234.0.0/16 include:spf.protection.outlook.com...`
	TXT	`MS=ms25036000`
	SOA	`ns1.gandi.net`hostmaster@gandi.net serial=1784764800

Previously MX for

osdevelopment.fr

Same first word

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mail.pt

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mail.(0x6c6f6c697461)punk.jp

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mail.priv.pl

mail.mw

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mail.sdscloud.pl

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DNS History

4 records (1 active, 3 former)

○MXmx00.1and1.fr2017-02-16 → 2017-02-16 · 2 obs

● 2017-02-16 09:04:54
○ 2026-07-29 02:19:14

○MXmx01.1and1.fr2017-02-16 → 2017-02-16 · 2 obs

● 2017-02-16 09:04:54
○ 2026-07-29 02:19:14

○A185.43.68.2402017-02-16 → 2017-02-16 · 2 obs

● 2017-02-16 09:04:54
○ 2026-07-29 02:19:14

●CNAMEmail.office365.com2026-07-29 → 2026-07-29 · 1 obs

● 2026-07-29 02:19:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fr	f.ext.nic.fr, d.nic.fr, g.ext.nic.fr	-
osdevelopment.fr	ns-177-c.gandi.net, ns-149-b.gandi.net, ns-140-a.gandi.net	-

✅ Authoritative Response

Server:173.246.100.141

NS records: ns-177-c.gandi.net, ns-149-b.gandi.net, ns-140-a.gandi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osdevelopment.fr (unsigned zone)

⏱️ Timing

Total: 1209ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.office365.com`