Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
utsouthwestern.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:24:35 UTC · ↺ Refresh
MX Hostnames
- mxb-00459502.gslb.pphosted.com
- mxa-00459502.gslb.pphosted.com
MX Priorities
- mxb-00459502.gslb.pphosted.com: 10
- mxa-00459502.gslb.pphosted.com: 10
A / AAAA Records
- 199.242.239.105 ↩ swlxwsvweb6.swmed.edu
Mail Server IPs
- 67.231.153.17 ↩ mx0b-00459502.pphosted.com
SOA Record
Raw SOA
ipamexternaldns01.swmed.org domains.utsouthwestern 3253 1200 900 1209600 3600
Primary NS (mname)
ipamexternaldns01.swmed.org
Admin Email (rname)
domains@utsouthwestern
Serial
3253
Refresh
1200s
Retry
900s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ipamexternaldns02.swmed.org
ipamexternaldns01.swmed.org
SPF Record
✓ Strict (-all)
v=spf1 include:_s00660331.autospf.email -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
10 records- ms-domain-verification=6f7b277a-218c-4c21-b93d-133a90d8df1e
- AppId=0000000040023105
- openai-domain-verification=dv-9TZNCh9q4J3Aromy5SGAf6YG
- CAkwkEzZvEVLWiUpp2lyfq8N1/hDJ33lQ1Y8FNJRc0dcbC6l02Ib9vl8y/cNTzkYo2B/Ublr2aLzYbBsxU9XLw==
- sophos-domain-verification=13b8ac6ec426f862a4029ed239ee303c6c49628ca13cbe3462ac676bb99f54e0
- jamf-site-verification=TG6z7CahTdz1ZptrUATN8w
- scholarly-software-inc-domain-verification-349md6=z5cQXyUIbrKRQuVtVBK6qLUPT
- SPFv=spf1 include:_s00660331.autospf.email -all
- MS=ms62071036
- google-site-verification=gM7Qze3xswX6cO3mnIKq8L7Bg0Zk2OsyDtt7WchVNVE
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 utsouthwestern.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits