Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
grabill.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-18 19:44:12 UTC · ↺ Refresh
MX Hostnames
- mx1-us1.ppe-hosted.com
- grabill-com.mail.protection.outlook.com
- mx2-us1.ppe-hosted.com
MX Priorities
- mx1-us1.ppe-hosted.com: 0
- mx2-us1.ppe-hosted.com: 0
- grabill-com.mail.protection.outlook.com: 100
A / AAAA Records
- 104.21.67.87
- 172.67.219.33
- 2606:4700:3037::ac43:db21
- 2606:4700:3037::6815:4357
Mail Server IPs
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::
- 2a01:111:f403:f804::3
SOA Record
Raw SOA
karl.ns.cloudflare.com dns.cloudflare.com 2403584992 10000 2400 604800 1800
Primary NS (mname)
karl.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403584992
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tani.ns.cloudflare.com
karl.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf-us.ppe-hosted.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:; ruf=mailto:; rf=afrf; fo=1; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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=ms68623298
- ppe-3f31b395201ee6864cf073d8382edcc838f7ef89
- SPFv=spf1 include:spf.protection.outlook.com include:_spf-us.ppe-hosted.com -all
Full email verification for grabill.com
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