Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbca.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 19:20:13 UTC · ↺ Refresh
MX Hostnames
- rbca-co.mail.protection.outlook.com
MX Priorities
- rbca-co.mail.protection.outlook.com: 0
A / AAAA Records
- 185.211.23.110 ↩ 110.23.huskynetworks.co.uk
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bigwetfish.co.uk root.server603.bigwetfish.co.uk 2025071500 3600 1800 1209600 86400
Primary NS (mname)
ns1.bigwetfish.co.uk
Admin Email (rname)
root@server603.bigwetfish.co.uk
Serial
2025071500
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.bigwetfish.co.uk
ns1.bigwetfish.co.uk
ns3.bigwetfish.co.uk
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.211.23.142 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
2 records- MS=ms30515864
- SPFv=spf1 ip4:185.211.23.142 include:spf.protection.outlook.com -all
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