tisd.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tisd.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 06:20:04 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • tisd-org.mail.protection.outlook.com.tisd.org: 11
  • tisd-org.mail.protection.outlook.com: 10

A / AAAA Records

  • 104.16.158.133 (no PTR)
  • 104.18.189.233 (no PTR)
  • 104.18.190.233
  • 104.16.159.133

Mail Server IPs

  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA logan.ns.cloudflare.com dns.cloudflare.com 2398616639 10000 2400 604800 1800
Primary NS (mname)
logan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398616639
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sharon.ns.cloudflare.com
logan.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:emailus.freshservice.com include:_spf.bbnotify.net ip4:104.254.244.191 ip4:72.48.95.130/31 ip4:66.195.143.26 ip4:8.12.72.20 ip4:199.36.164.0/22 include:mailgun.org ip4:50.223.178.203 ip4:50.223.178.20 ip4:50.223.178.201 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

10 records
  • duo_sso_verification=Hu7diu9WWQ6hHESwdg2Ys38FGUabqXX6I0O8RRdJ44eOfQP5rOje4rWBX8OkF1WU
  • google-site-verification=Kvo4r8wUYRBvPk5EyY3zYtKr-XmCeF-BrVxXdRzgFJ4
  • google-site-verification=tgVq5Q1YSeX5TPswwfFRSzYDy-4fTI7eSFFHAYlsSVQ
  • have-i-been-pwned-verification=9a1e147a9e759ed186a823128f1887ea
  • schoology-domain-verification=7a52465d98c9c123debabbe5ea9285b499f199c35ccae9fa9e60907abf51be58
  • SPFv=spf1 include:spf.protection.outlook.com include:emailus.freshservice.com include:_spf.bbnotify.net ip4:104.254.244.191 ip4:72.48.95.130/31 ip4:66.195.143.26 ip4:8.12.72.20 ip4:199.36.164.0/22 include:mailgun.org ip4:50.223.178.203 ip4:50.223.178.20 ip4:50.223.178.201 ~all
  • 7e6cfa4d0e7fc884981675dbd4407a
  • KaQWzUrFMDt5+axi5/V/6NWftKHsWmoPALbFVNvcGLS6grbuccuXXmDM7tFQsS/Y12/8WC0gNMyzNKbGNnFh2Q==
  • MS=ms12412867
  • apple-domain-verification=hshkTveodtmUORh8
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