Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ostellobello.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 09:38:06 UTC · ↺ Refresh
MX Hostnames
- ostellobello-com.mail.protection.outlook.com
MX Priorities
- ostellobello-com.mail.protection.outlook.com: 10
A / AAAA Records
- 35.214.172.21 ↩ 21.172.214.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.103.2 ↩ mail-mi2p293cu00202.inbound.protection.outlook.com
- 52.101.103.19 ↩ mail-mi0p293cu00503.inbound.protection.outlook.com
- 52.101.103.0 ↩ mail-mi0p293cu00200.inbound.protection.outlook.com
- 52.101.103.1 ↩ mail-mi1p293cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca48::3 ↩ mail-mi0p293cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca48:: ↩ mail-mi0p293cu00200.inbound.protection.outlook.com
- 2a01:111:f403:ca48::1 ↩ mail-mi1p293cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca48::2 ↩ mail-mi2p293cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.siteground.net admins.siteground.com 185 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
admins@siteground.com
Serial
185
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.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;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
✓ Public key: 392 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
5 records- MS=ms79296180
- google-site-verification=-s6B7OXS1F5AehwxUVZddd1xHTQrgGBAUnCtETLaCXA
- brevo-code:9b3123f4c2353e9e1c6304627cacfd0c
- SPFv=spf1 include:spf.protection.outlook.com -all
- brevo-code:0a3c7c09cf62d4c3d3b8e5dbcf0f52e6
Full email verification for ostellobello.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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