Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
trnty.edu
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-21 05:39:45 UTC ยท โบ Refresh
MX Hostnames
- trnty-edu.mail.protection.outlook.com
MX Priorities
- trnty-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 199.188.167.70 (no PTR)
Mail Server IPs
- 52.101.10.12 โฉ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.6 โฉ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.9.26 โฉ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.41.21 โฉ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 โฉ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 โฉ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c801:: โฉ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 โฉ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1861.awsdns-40.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1861.awsdns-40.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-494.awsdns-61.com
ns-598.awsdns-10.net
ns-1273.awsdns-31.org
ns-1861.awsdns-40.co.uk
SPF Record
โ Strict (-all)
v=spf1 mx ip4:50.237.186.88 ip4:199.188.167.88 include:spf.protection.outlook.com include:customers.clickdimensions.com include:outboundmail.blackbaud.net include:e2ma.net include:_spf.emailcampaigns.net -all
๐ DNS lookups: 6/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- MS=ms51268072
- adobe-idp-site-verification=78fe9a6339c61e32adbea34fd08ca02efd9570fbfbc6f6bfc01e9864a082dc73
- apple-domain-verification=AQ6bDcFHg1KEycvU
- asv=cf2152ad379b52f129e6e1abcd7fb473
- atlassian-domain-verification=/P7fDHsD5X0LfTu99ZuEgsY6bC/faXGBAgtZqJi/HfRhzGJF6qsB8EPeaFIYnb/O
- e2ma-verification=ji1bb
- facebook-domain-verification=5jp18p1bd30thsdt2wmqs7497mtjp6
- google-site-verification=hyN4S6JEZMOeRZFYLSm9MqCWfPr_U-DUs77JtbuGWjM
- have-i-been-pwned-verification=d364e4d4b1a013d781141e59f1eb388a
- SPFv=spf1 mx ip4:50.237.186.88 ip4:199.188.167.88 include:spf.protection.outlook.com include:customers.clickdimensions.com include:outboundmail.blackbaud.net include:e2ma.net include:_spf.emailcampaigns.net -all
- 5lp7YbSxwWcDcC8rEA0p3s9rYlc5mBSJMG6nQU+rGj44QW6qEv3GQs/ODUU/wMyGMW7f4XFQJAhYtbg/ssHjXw==
- A+Fy8Nn2T2ol/79m08JCFccK9xeVoi4MiOitzNJpbRJegMxZ6R6kugNIWxKXK67sCZpAH8juP+/SReCkbR8PFA==
- M9WLP6URWDEMLZR4KV2BZ2AZQ8VF8YRTH1EPI5KHA
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for trnty.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits