Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ibi.com.hk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 01:44:43 UTC · ↺ Refresh
MX Hostnames
- ibi-com-hk.mail.protection.outlook.com
MX Priorities
- ibi-com-hk.mail.protection.outlook.com: 0
A / AAAA Records
- 116.251.204.38 ↩ s223.sureserver.com
Mail Server IPs
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.s223.sureserver.com hostmaster.ibi.com.hk 1773361457 16384 2048 1048576 2560
Primary NS (mname)
ns1.s223.sureserver.com
Admin Email (rname)
hostmaster@ibi.com.hk
Serial
1773361457
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns1.s223.sureserver.com
ns2.s223.sureserver.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:202.131.69.165/32 ip4:202.131.69.168/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ 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=ms56569414
- SPFv=spf1 ip4:202.131.69.165/32 ip4:202.131.69.168/32 include:spf.protection.outlook.com -all
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