Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sebastiancg.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 14:53:59 UTC · ↺ Refresh
MX Hostnames
- sebastiancg-com.mail.protection.outlook.com
MX Priorities
- sebastiancg-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.93.160 (no PTR)
- 172.67.212.17 (no PTR)
- 2606:4700:3034::ac43:d411
- 2606:4700:3031::6815:5da0
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
sara.ns.cloudflare.com dns.cloudflare.com 2397738045 10000 2400 604800 1800
Primary NS (mname)
sara.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397738045
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sara.ns.cloudflare.com
tom.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.birddoghr.com include:_spf.psm.knowbe4.com include:_spf.sendergen.com ip4:35.174.145.124 include:_spf.createsend.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms45084881
- ri+zuxueRC6Z1LQyO7/GXlsR4zqOQJJuhb4BOiuPiyQrS9SbHFFH+OvhUCVtMuKN5KDyXnX6KlhXA8J4KyEEMA==
- SPFv=spf1 include:spf.protection.outlook.com include:spf.birddoghr.com include:_spf.psm.knowbe4.com include:_spf.sendergen.com ip4:35.174.145.124 include:_spf.createsend.com -all
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