ctx.edu

Valid Email Server
Domain Lookup › ctx.edu
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

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

Checked via [email protected] · 2026-05-20 22:31:45 UTC · ↺ Refresh

MX Hostnames

  • ctx-edu.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 69.65.4.234

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-985.awsdns-59.net
ns-1170.awsdns-18.org
ns-1550.awsdns-01.co.uk
ns-458.awsdns-57.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:12.96.52.87 ip4:12.96.52.96 ip4:12.96.52.69 ip4:12.231.123.32 ip4:66.193.242.0/24 ip4:209.235.101.208/28 ip4:54.85.76.43 ip4:34.197.133.25 ip4:23.22.228.238 ip4:34.198.69.238 ip4:54.85.61.20 ip4:34.194.81.60 ip4:34.198.106.176 ip4:34.198.69.122 include:spf.protection.outlook.com include:spf.watermarkinsights.com include:mh.blackboard.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

10 records
  • MS=12797AEB18BCE2702B4A99B8B0B12615CB76A29F
  • MS=ms41537229
  • ak2v7qsh78d7n9jkt7ma88im70
  • ccgfbhtd392f6fjcqqt5onr3q
  • google-site-verification=AChaUB4mTm5xB4ONDMxM1kfT40w6vmU_YlrpuWKATkI
  • pp2hg51f6de9m94itr4utiabnm
  • sophos-domain-verification=d75da3f318d440c8fb7ec1ca54c851675ea1293d3b0f9c72bb0f95e8e5474fa8
  • SPFv=spf1 ip4:12.96.52.87 ip4:12.96.52.96 ip4:12.96.52.69 ip4:12.231.123.32 ip4:66.193.242.0/24 ip4:209.235.101.208/28 ip4:54.85.76.43 ip4:34.197.133.25 ip4:23.22.228.238 ip4:34.198.69.238 ip4:54.85.61.20 ip4:34.194.81.60 ip4:34.198.106.176 ip4:34.198.69.122 include:spf.protection.outlook.com include:spf.watermarkinsights.com include:mh.blackboard.com -all
  • 11gp88ce524kiu92mta3bfe1i
  • 9bjus7crbn7uums9ql41tdj63p
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