Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jessilyn.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 09:25:34 UTC · ↺ Refresh
MX Hostnames
- jessilyn-net.mail.protection.outlook.com
MX Priorities
- jessilyn-net.mail.protection.outlook.com: 0
A / AAAA Records
- 108.29.95.238 ↩ static-108-29-95-238.nycmny.fios.verizon.net
Mail Server IPs
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.hover.com dnsmaster.hover.com 1720467934 1800 900 604800 300
Primary NS (mname)
ns1.hover.com
Admin Email (rname)
dnsmaster@hover.com
Serial
1720467934
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1.hover.com
ns2.hover.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:outbound5.bullhorn.com a:outbound3.bullhorn.com a:outbound2.bullhorn.com a:o1.email.bullhorn.com ip4:108.29.95.238 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com a:outbound5.bullhorn.com a:outbound3.bullhorn.com a:outbound2.bullhorn.com a:o1.email.bullhorn.com ip4:108.29.95.238 -all
- prujr9a3n8l1tjq43lbta1vl3h
- MS=ms12708773
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 jessilyn.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits