Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
universitytees.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 05:20:02 UTC · ↺ Refresh
MX Hostnames
- universitytees-com.mail.protection.outlook.com
MX Priorities
- universitytees-com.mail.protection.outlook.com: 0
A / AAAA Records
- 18.217.38.128 ↩ ec2-18-217-38-128.us-east-2.compute.amazonaws.com
- 52.14.76.135 ↩ ec2-52-14-76-135.us-east-2.compute.amazonaws.com
- 3.13.94.24
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1602.awsdns-08.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1602.awsdns-08.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1253.awsdns-28.org
ns-1602.awsdns-08.co.uk
ns-484.awsdns-60.com
ns-960.awsdns-56.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:mail.zendesk.com include:46859462.spf01.hubspotemail.net +a +mx +ip4:50.28.85.176 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; aspf=r; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
4 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:mail.zendesk.com include:46859462.spf01.hubspotemail.net +a +mx +ip4:50.28.85.176 -all
- MS=ms41855056
- google-site-verification=SyZ45hv3xS-E3wXGobKRrtERYrsfIJ1LHVag3soE1BE
- klaviyo-site-verification=PPb9iL
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
See demo & docs
Deep verification
Full email verification for universitytees.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits