Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
adrearubin.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:27:40 UTC · ↺ Refresh
MX Hostnames
- adrearubin-com.mail.protection.outlook.com
MX Priorities
- adrearubin-com.mail.protection.outlook.com: 0
A / AAAA Records
- 74.208.236.147 ↩ 74-208-236-147.elastic-ssl.ui-r.com
- 2607:f1c0:100f:f000::248 ↩ 2607-f1c0-100f-f000-0000-0000-0000-0248.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1055.ui-dns.com hostmaster.1und1.com 2017060112 28800 7200 604800 600
Primary NS (mname)
ns1055.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060112
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1058.ui-dns.org
ns1055.ui-dns.com
ns1088.ui-dns.biz
ns1113.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
2 records- MS=16285BBEC9F17DFC976BBE15EF2AA6572B4CE80B
- SPFv=spf1 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com ~all
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 · Customize →
See demo & docs
Deep verification
Full email verification for adrearubin.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits