checkalt.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
checkalt.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 05:48:57 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-1.mimecast.com
  • us-smtp-inbound-2.mimecast.com
  • checkalt-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 104.18.22.29
  • 104.18.23.29
  • 2606:4700::6812:161d
  • 2606:4700::6812:171d

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

kipp.ns.cloudflare.com
carla.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:206.191.138.236 include:1hnpku518.spf.checkpoint-spf.com include:spf.protection.outlook.com include:mg-spf.greenhouse.io -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

14 records
  • MS=ms82036342
  • Target: 0ed1fe018af685532a9f9d4917b7f757d634948b5e
  • _egjyvxtetctb0mugfia4exlpd8wfwcq
  • ciscocidomainverification=2a60dd600058410516d6bab9e6e622d7ad729f916c92e688622d8a8ad6f44d44
  • google-site-verification=ob2jWxO-5u2ndDIZi4RHMGHHNgWKXb21NagfTKPxvEA
  • qf0fjrp3xv8ngf0lsp6298j19rmmjj3b
  • r2w1skvcj6y33r1mhpvxxz9b3zd8jdq0
  • rt6plwfp565z9b5vqd8k438qlp8sl1f5
  • s071m1bxtp3zn2twt2fvdbhttc5c47bk
  • SPFv=spf1 ip4:206.191.138.236 include:1hnpku518.spf.checkpoint-spf.com include:spf.protection.outlook.com include:mg-spf.greenhouse.io -all
  • z751nxb1b8xbpdg2206606q0pc99f7n9
  • 05krnp305by9vltlfcl8knlfx1bcw19l
  • 6qxg8sgy0lq0glywj6r1m6c88ny28pls
  • FVGl25rTcdnJrJZUbPJ80wSrI9a4YEvHZ+qp2RjTPRE=
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