Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbbcontracting.ae
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 11:03:55 UTC · ↺ Refresh
MX Hostnames
- rbbcontracting-ae.mail.protection.outlook.com
MX Priorities
- rbbcontracting-ae.mail.protection.outlook.com: 0
A / AAAA Records
- 51.112.100.6 ↩ ec2-51-112-100-6.me-central-1.compute.amazonaws.com
Mail Server IPs
- 52.101.144.0 ↩ mail-ma0pr01cu01000.inbound.protection.outlook.com
- 52.101.145.0 ↩ mail-pnzpr01cu00200.inbound.protection.outlook.com
- 52.101.144.3 ↩ mail-ma0pr01cu01103.inbound.protection.outlook.com
- 52.101.145.2 ↩ mail-pnypr01cu00202.inbound.protection.outlook.com
- 2a01:111:f403:cc2c::1 ↩ mail-ma0pr01cu01101.inbound.protection.outlook.com
- 2a01:111:f403:cc2d::1 ↩ mail-pnypr01cu00201.inbound.protection.outlook.com
- 2a01:111:f403:cc2c:: ↩ mail-ma0pr01cu01000.inbound.protection.outlook.com
- 2a01:111:f403:cc2d:: ↩ mail-pnzpr01cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns2.granddubai.com hostmaster.granddubai.com 2026021601 86400 3600 777600 3600
Primary NS (mname)
ns2.granddubai.com
Admin Email (rname)
hostmaster@granddubai.com
Serial
2026021601
Refresh
86400s
Retry
3600s
Expire
777600s
Minimum TTL
3600s
Nameservers (NS)
ns1.granddubai.com
ns2.granddubai.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- google-site-verification=ZxWKY3fC2huh9stR8edmIQeZxNVIC95MIge2UMe9Ahg
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms76554507
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