1stwindows.com

Valid Email Server
Domain Lookup › 1stwindows.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
1stwindows.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-06 13:34:47 UTC · ↺ Refresh

MX Hostnames

  • mail.1stwindows.com

MX Priorities

No priority data.

A / AAAA Records

  • 172.66.43.27
  • 172.66.40.229
  • 2606:4700:3108::ac42:2b1b
  • 2606:4700:3108::ac42:28e5

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

nitin.ns.cloudflare.com
lina.ns.cloudflare.com

SPF Record

⚠ Pass All
v=spf1 +a +mx +ip4:50.87.144.39 +include:websitewelcome.com +all
📊 DNS lookups: 3/10
⚠ Pass all (+all) allows any server to send — not recommended.

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=50;fo=0;rf=afrf;ri=86400; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 50% of failing messages only

DKIM Selectors

✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • google-site-verification=jyMx5fVVjGaiwQj3hhajycE1L15fLtVHYH4K18D5ksY
  • google-site-verification=oe489-yG_9Uo2Ejm-V9uG6abykE_3Jbwsirs5sppG_E
  • google-site-verification=uBYoyRDSKXjZDwz-XAA6D4Z7opObd5v__xlcD7weHFY
  • SPFv=spf1 +a +mx +ip4:50.87.144.39 +include:websitewelcome.com +all
Full email verification for 1stwindows.com

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