Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rubbuk.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 22:35:55 UTC · ↺ Refresh
MX Hostnames
- rubbuk-com.mail.protection.outlook.com
MX Priorities
- rubbuk-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.214.29.252 ↩ 252.29.214.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.siteground.net admins.siteground.com 159 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
admins@siteground.com
Serial
159
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +ip4:192.168.217.193 +ip4:35.214.85.107 +ip4:35.214.34.3 +a +mx include:spf.protection.outlook.com include:spf.mailanyone.net include:_spf.mailspamprotection.com include:spf.uk.exclaimer.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- 4cu6bpkth18g82iq6mli2ki6tc
- oqc58k23r6gh4vjfkdnokeqadr
- SPFv=spf1 +ip4:192.168.217.193 +ip4:35.214.85.107 +ip4:35.214.34.3 +a +mx include:spf.protection.outlook.com include:spf.mailanyone.net include:_spf.mailspamprotection.com include:spf.uk.exclaimer.net ~all
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