Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
longschaefer.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 00:26:08 UTC · ↺ Refresh
MX Hostnames
- longschaefer-com.mail.protection.outlook.com
MX Priorities
- longschaefer-com.mail.protection.outlook.com: 10
A / AAAA Records
- 54.164.9.107 ↩ ec2-54-164-9-107.compute-1.amazonaws.com
- 54.85.200.131 ↩ ec2-54-85-200-131.compute-1.amazonaws.com
Mail Server IPs
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dns105.register.com root.register.com 124051711 10800 3600 604800 3600
Primary NS (mname)
dns105.register.com
Admin Email (rname)
root@register.com
Serial
124051711
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns106.register.com
dns105.register.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:email01.fmgsuite.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
5 records- SPFv=spf1 include:spf.protection.outlook.com include:email01.fmgsuite.com -all
- 72lmqmon8kqdn2knpjdb8dbq4i
- sret8lhsv6uta2g9o5tiu5cm3
- google-site-verification=Rw3L2AXE48qD2ekMzK0F8keRUgIf7dlPnXW_n0Y5sOM
- r52g4r13jld3m81ujn982rr8c5
Full email verification for longschaefer.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits