Live data โ DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: โก live
Checker: โก live
dental.upenn.edu
Yes
โ Yes
Proofpoint
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-26 22:53:43 UTC ยท โบ Refresh
MX Hostnames
- mxb-00390e01.gslb.pphosted.com
- mxa-00390e01.gslb.pphosted.com
MX Priorities
- mxa-00390e01.gslb.pphosted.com: 10
- mxb-00390e01.gslb.pphosted.com: 10
A / AAAA Records
- 128.91.232.202 โฉ az-dc01.dental.upenn.edu
- 128.91.224.215 โฉ pdmaddcprw01.dental.upenn.edu
Mail Server IPs
- 148.163.137.158 โฉ mx0b-00390e01.pphosted.com
- 148.163.133.158 โฉ mx0a-00390e01.pphosted.com
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
โ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:mailgun.org include:_spf.elasticemail.com include:spf.protection.outlook.com include:spf.penno365.isc.upenn.edu ~allinclude:_spf.createsend.com ~all
๐ DNS lookups: 5/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
โ p=none
v=DMARC1;p=none;fo=1;rua=mailto:[email protected];ruf=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 2 found
selector1._domainkey
selector2._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
2 records- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:mailgun.org include:_spf.elasticemail.com include:spf.protection.outlook.com include:spf.penno365.isc.upenn.edu ~allinclude:_spf.createsend.com ~all
- MS=ms36318170
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 dental.upenn.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits