wondoor.com

Valid Email Server

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
wondoor.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-10-03 11:15:40 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

  • wondoor-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 141.193.213.21 (no PTR)
  • 141.193.213.20 (no PTR)

Mail Server IPs

  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.60.71 ↩ mail-bn0pr02cu00307.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f909::5 ↩ mail-bn0pr04cu00805.inbound.protection.outlook.com
  • 2a01:111:f403:f90b::2 ↩ mail-bnypr02cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy7pr05cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA dns101.register.com root.register.com 126052822 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
126052822
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns102.register.com
dns101.register.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:142.0.166.57 ip4:199.1.42.16 ip4:147.154.7.61 ip4:129.145.74.245 include:_spf.psm.knowbe4.com include:relay.mailchannels.net include:spf.protection.outlook.com exists:%{i}.spf.rnmk.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 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
  • cisco-ci-domain-verification=6e55b4de0c03aa0f7dd068a753c150a5c733a5a19b34dffbafefffee3849107
  • google-site-verification=4RBsOpEC98I1DBVt-NgyuWzaYWadhJomPCLZo8Scp94
  • MS=ms29881339
  • knowbe4-site-verification=a938cce5145ff53928c17207246c2435
  • SPFv=spf1 ip4:142.0.166.57 ip4:199.1.42.16 ip4:147.154.7.61 ip4:129.145.74.245 include:_spf.psm.knowbe4.com include:relay.mailchannels.net include:spf.protection.outlook.com exists:%{i}.spf.rnmk.com -all
  • apple-domain-verification=9Ezx7sySq9kB5ga9
  • ZOOM_verify_8MHs2HgyRrermjt_GcM34w
  • MS=B0659D196D5C4E508A9CFB01F40929FF7192131B
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 wondoor.com

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

No credit card required
Get 1,000 Free Credits