asmws.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

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

Checked via [email protected] · 2026-09-23 04:11:16 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • asmws-com.mail.protection.outlook.com

MX Priorities

  • asmws-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 104.21.20.24 (no PTR)
  • 172.67.190.249 (no PTR)
  • 2606:4700:3034::ac43:bef9
  • 2606:4700:3035::6815:1418

Mail Server IPs

  • 52.101.185.21 ↩ mail-zrxpr05cu00105.inbound.protection.outlook.com
  • 52.101.209.153 ↩ mail-cpjpr04cu00101.inbound.protection.outlook.com
  • 52.101.185.24 ↩ mail-zrxpr07cu00100.inbound.protection.outlook.com
  • 52.101.91.159 ↩ mail-matpr04cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::a ↩ mail-am7pr02cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA kareem.ns.cloudflare.com dns.cloudflare.com 2415459453 10000 2400 604800 1800
Primary NS (mname)
kareem.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415459453
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kareem.ns.cloudflare.com
ulla.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a:relay.asmws.com a:vpn.asmws.com a:vl23263.dinaserver.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p= quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

8 records
  • ciscocidomainverification=1ca5d0c3d70af964a16cec8a3e8cc124f0fbbc9f0fc2ea389393667459a6e7a7
  • google-site-verification=FJwDjAQBBzKv_WpPUW5xgl7wox1OAs21_DmV8EFt2hM
  • google-site-verification=h5hO8la7gIFyBI8JFAhviUUgp-HEmcwluj_geZi_cMU
  • t8lxy3x4993wsdvkd3557g7t7yzd4bd5
  • SPFv=spf1 a:relay.asmws.com a:vpn.asmws.com a:vl23263.dinaserver.com include:spf.protection.outlook.com -all
  • MS=977490A61408346CFFDC475B97884C4B07920092
  • _awaormsxzn7haqygi97g9vlr7hytpg1
  • apple-domain-verification=K0WAnIS83gfwUrwj
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for asmws.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits