sobconconcrete.com

Valid Email Server
Domain Lookup › sobconconcrete.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
sobconconcrete.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 04:10:26 UTC · ↺ Refresh

MX Hostnames

  • east.smtp.mx.o365.serverdata.net

MX Priorities

No priority data.

A / AAAA Records

  • 20.3.147.243

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns62.domaincontrol.com
ns61.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.serverdata.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
  • 26ubrdmib0s6ujjttq6lcbh9rk
  • SPFv=spf1 mx include:spf.serverdata.net include:spf.protection.outlook.com -all
  • MS=ms69565467
  • gtsfokklhteo2fmdrborbhmcsa
  • u51t04anpv6m9r4or51t2d3asa
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