Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cours-simon.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 11:53:11 UTC · ↺ Refresh
MX Hostnames
- courssimon-com01c.mail.protection.outlook.com
MX Priorities
- courssimon-com01c.mail.protection.outlook.com: 10
A / AAAA Records
- 109.234.165.118 ↩ pascal.o2sred.fr
Mail Server IPs
- 52.101.166.0 ↩ mail-pa5p264cu00200.inbound.protection.outlook.com
- 52.101.166.1 ↩ mail-pr0p264cu01301.inbound.protection.outlook.com
- 52.101.164.0 ↩ mail-mrzp264cu00100.inbound.protection.outlook.com
- 52.101.166.2 ↩ mail-paup264cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca25:: ↩ mail-pa5p264cu00200.inbound.protection.outlook.com
- 2a01:111:f403:ca25::2 ↩ mail-paup264cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca25::1 ↩ mail-pr0p264cu01301.inbound.protection.outlook.com
- 2a01:111:f403:ca1e:: ↩ mail-mrzp264cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.gandi.net hostmaster.gandi.net 1773878400 10800 3600 604800 10800
Primary NS (mname)
ns1.gandi.net
Admin Email (rname)
hostmaster@gandi.net
Serial
1773878400
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns-175-b.gandi.net
ns-179-a.gandi.net
ns-216-c.gandi.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=8D83fgrt8FkrCPGrnqxQDmBElx63c7ToyLZ7899E
- SPFv=spf1 include:spf.protection.outlook.com -all
- brevo-code:f95f26da52d771e0970f242c201a84af
- google-site-verification=8D9wyRYv7N1aFkrCPGrnqxQDmBElx63c7ToyLZ7899E
- MS=ms18647757
Full email verification for cours-simon.com
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