madsewer.org

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
madsewer.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 08:35:21 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

  • madsewer-org.mail.protection.outlook.com

MX Priorities

  • madsewer-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 34.135.223.120 ↩ 120.223.135.34.bc.googleusercontent.com

Mail Server IPs

  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.supranet.net hostmaster.supranet.net 2008010200 14400 900 2419200 300
Primary NS (mname)
dns1.supranet.net
Admin Email (rname)
hostmaster@supranet.net
Serial
2008010200
Refresh
14400s
Retry
900s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

dns5.supranet.net
dns4.supranet.net
dns3.supranet.net
dns1.supranet.net
dns2.supranet.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:dispatch-us.ppe-hosted.com ip4:71.13.133.54 ip4:74.208.4.194 ip4:71.13.133.50 include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

9 records
  • ppe-4b34b4e5ba0f40f13008
  • HqUlxibAW+ICqKqnRDh3X0N5BALDrXhE7GjzK86jb2y2NFqyrISC1Mi4NqczDrAKMI3AuryXB8alYOKr49HP9Q==
  • MS=ms13555423
  • SPFv=spf1 include:spf.protection.outlook.com a:dispatch-us.ppe-hosted.com ip4:71.13.133.54 ip4:74.208.4.194 ip4:71.13.133.50 include:_spf.psm.knowbe4.com -all
  • MS=ms77635924
  • facebook-domain-verification=lobnoeevsuip624zpae6rl7y2p9sjy
  • MS=ms72526294
  • 5FRoZ1svmNDGzTtnR19sMlHfHlLIqA8wF1GiDaQgrt80beOT7UgZs49JFo+g8tuZrF+VcCQ+RRgV52loLX3AQw==
  • google-site-verification=zAEHDPpMjEqSVYfDeNA_fUCUwDe3DIB92CXDoV0dcIk
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 madsewer.org

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

No credit card required
Get 1,000 Free Credits