atas.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
atas.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-08-06 14:16:36 UTC · ↺ Refresh

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MX Hostnames

  • atas-com.mail.protection.outlook.com

MX Priorities

  • atas-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.73.62 (no PTR)
  • 104.26.2.208 (no PTR)
  • 104.26.3.208
  • 2606:4700:20::681a:3d0
  • 2606:4700:20::ac43:493e
  • 2606:4700:20::681a:2d0

Mail Server IPs

  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA chin.ns.cloudflare.com dns.cloudflare.com 2410812867 10000 2400 604800 1800
Primary NS (mname)
chin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2410812867
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

louis.ns.cloudflare.com
chin.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:216.164.194.18/29 ip4:69.42.49.148 include:spf.protection.outlook.com include:spf.US.exclaimer.net include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

3 records
  • SPFv=spf1 ip4:216.164.194.18/29 ip4:69.42.49.148 include:spf.protection.outlook.com include:spf.US.exclaimer.net include:sendgrid.net -all
  • apple-domain-verification=nZVkNG9o9ibBN3vn
  • atlcm0vhbg5oe31t7g3g6t9ctd
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