Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bickerstaff.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:24:16 UTC · ↺ Refresh
MX Hostnames
- bickerstaff-com.mail.protection.outlook.com
MX Priorities
- bickerstaff-com.mail.protection.outlook.com: 0
A / AAAA Records
- 209.87.149.12 ↩ cloudhost-2915339.us-midwest-1.nxcli.net
Mail Server IPs
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns47.worldnic.com namehost.worldnic.com 125082819 10800 3600 604800 3600
Primary NS (mname)
ns47.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125082819
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns48.worldnic.com
ns47.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:12.13.215.162 ip4:97.77.182.226 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- vgrs2rblkrl1oe5jad3re4eig4
- SPFv=spf1 include:spf.protection.outlook.com ip4:12.13.215.162 ip4:97.77.182.226 ~all
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