bl-sw.com

Valid Email Server
Domain Lookup › bl-sw.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bl-sw.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 18:22:13 UTC · ↺ Refresh

MX Hostnames

  • blsw-com0e.mail.protection.outlook.com

MX Priorities

  • blsw-com0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.186.224 (no PTR)
  • 104.21.43.230 (no PTR)
  • 2606:4700:3034::ac43:bae0
  • 2606:4700:3036::6815:2be6

Mail Server IPs

  • 52.101.91.1 ↩ mail-ma4p292cu00201.inbound.protection.outlook.com
  • 52.101.91.0 ↩ mail-ma2p292cu00400.inbound.protection.outlook.com
  • 52.101.91.2 ↩ mail-ma3p292cu00202.inbound.protection.outlook.com
  • 52.101.91.3 ↩ mail-ma2p292cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca21:: ↩ mail-ma2p292cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::3 ↩ mail-ma2p292cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::2 ↩ mail-ma3p292cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::1 ↩ mail-ma4p292cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA amanda.ns.cloudflare.com dns.cloudflare.com 2399753247 10000 2400 604800 1800
Primary NS (mname)
amanda.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399753247
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

terry.ns.cloudflare.com
amanda.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
  • anthropic-domain-verification-mahe17=hD3M5gtXkIDwWoqsgfD2brjGl
  • asv=9d3f76352f9e5b74f8915a566e6c360d
  • openai-domain-verification=dv-oebflW2mLF3W1ilbgpWBQY2h
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms37581020
Full email verification for bl-sw.com

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