Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
social-bird.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 08:00:35 UTC · ↺ Refresh
MX Hostnames
- socialbird-com01e.mail.protection.outlook.com
MX Priorities
- socialbird-com01e.mail.protection.outlook.com: 0
A / AAAA Records
- 51.161.77.72 ↩ vhost5.sierraweb.com
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.sierraweb.com hostmaster.sierraweb.com 2021081401 1800 300 172800 3600
Primary NS (mname)
ns1.sierraweb.com
Admin Email (rname)
hostmaster@sierraweb.com
Serial
2021081401
Refresh
1800s
Retry
300s
Expire
172800s
Minimum TTL
3600s
Nameservers (NS)
ns2.sierraweb.com
ns1.sierraweb.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- NETORGFT5264996.onmicrosoft.com.
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