Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rubys.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 08:15:31 UTC · ↺ Refresh
MX Hostnames
- rubys-com.mail.protection.outlook.com
MX Priorities
- rubys-com.mail.protection.outlook.com: 0
A / AAAA Records
- 50.18.94.53 ↩ webserver-09.dreamboxsites.com
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-730.awsdns-27.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-730.awsdns-27.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-453.awsdns-56.com
ns-730.awsdns-27.net
ns-1472.awsdns-56.org
ns-1592.awsdns-07.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:wappmail.com include:u22210744.wl245.sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- facebook-domain-verification=5993ph10lhu18bb8sywrth8fllqhcq
- google-site-verification=H1GjKVTjkj2gIFmMGygScvXbYX7EVTN4k02VqDYQVe0
- SPFv=spf1 include:spf.protection.outlook.com include:wappmail.com include:u22210744.wl245.sendgrid.net -all
- MS=ms48554834
- apple-domain-verification=0aN8KcgMy2PSgAnQHEm3gec2zCF2_mv-vFo3FqvunIQ
Full email verification for rubys.com
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