dellthus.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dellthus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 01:45:29 UTC · ↺ Refresh

MX Hostnames

  • dellthus-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 34.160.81.203 ↩ 203.81.160.34.bc.googleusercontent.com
  • 34.149.120.3 ↩ 3.120.149.34.bc.googleusercontent.com
  • 35.244.153.44
  • 35.190.31.54

Mail Server IPs

  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.siteground.net dnsadmin.siteground332.com 2020120771 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
dnsadmin@siteground332.com
Serial
2020120771
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns1.siteground.net
ns2.siteground.net

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

✓ 1 found
default._domainkey
✓ Public key: 216 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

3 records
  • DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjCH2DbBCboXO6MmFPVmaC0Fs0pnRkA7ukzjALJkDeN2uVcXDTIFniSCnESEuh7oJpYZpyGxiRD1glTNChgUQ4LlrmSeT4AMEQli8HkL5maDlJGU4sWQVbjsqZIpDQ00mTdg5NXSll9INY2bEiQ8EWnoWBTYynOpNC++XmWq08iLD3mmq3Lza5dTmGsUqNAm3nJgBRZc4Ab4WfNxb9RxRRpH/I3FzeBFAW+LB7FZCpHVXJ3cPXDcGr2L73Dc74V6P3tTlAFLSKY3pups/AjB7oxkhwvj4ROlKwfRwEstbLVilsgpKdWto18LH17KVVd0GNmDVozAmRC0HsfBC+SpKrQIDAQAB
  • MS=ms49878036
  • SPFv=spf1 include:spf.protection.outlook.com -all
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
See demo & docs
Deep verification
Full email verification for dellthus.com

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

No credit card required
Get 1,000 Free Credits