Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biku.com.au
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 14:28:53 UTC · ↺ Refresh
MX Hostnames
- biku-com-au.mail.protection.outlook.com
MX Priorities
- biku-com-au.mail.protection.outlook.com: 1
A / AAAA Records
- 23.227.38.65 ↩ myshopify.com
Mail Server IPs
- 52.101.151.5 ↩ mail-meupr01cu00305.inbound.protection.outlook.com
- 52.101.149.1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
- 52.101.149.9 ↩ mail-sy2pr01cu00501.inbound.protection.outlook.com
- 52.101.151.0 ↩ mail-meupr01cu00200.inbound.protection.outlook.com
- 2a01:111:f403:cc33:: ↩ mail-meupr01cu00200.inbound.protection.outlook.com
- 2a01:111:f403:cc33::1 ↩ mail-meupr01cu00301.inbound.protection.outlook.com
- 2a01:111:f403:cc31::3 ↩ mail-sy2pr01cu00503.inbound.protection.outlook.com
- 2a01:111:f403:cc31:: ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dnspackage.com admin.sectigo.com 1662435083 86400 7200 604800 300
Primary NS (mname)
ns1.dnspackage.com
Admin Email (rname)
admin@sectigo.com
Serial
1662435083
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns2.dnspackage.com
ns3.dnspackage.com
ns4.dnspackage.com
ns1.dnspackage.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:103.235.53.75 include:emsd1.com include:spf.protection.outlook.com +include:retailexpress.com.au ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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- google-site-verification=x8G-6APcVd_ccbj0HtUEtiT4tQJks6BxZfYjh-yHfSk
- SPFv=spf1 +a +mx +ip4:103.235.53.75 include:emsd1.com include:spf.protection.outlook.com +include:retailexpress.com.au ~all
- MS=ms44367135
Full email verification for biku.com.au
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits