jjrcompany.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jjrcompany.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 08:30:23 UTC · ↺ Refresh

MX Hostnames

  • jjrcompany-com.mail.protection.outlook.com

MX Priorities

  • jjrcompany-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.185.159.144 (no PTR)

Mail Server IPs

  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.p04.nsone.net hostmaster.nsone.net 1555003657 43200 7200 1209600 3600
Primary NS (mname)
dns1.p04.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1555003657
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns04.squarespacedns.com
dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • MS=ms66668147
  • SPFv=spf1 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
See demo & docs
Deep verification
Full email verification for jjrcompany.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits