Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
48forty.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:09:06 UTC · ↺ Refresh
MX Hostnames
- 48forty-com.mail.protection.outlook.com
MX Priorities
- 48forty-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.151 (no PTR)
- 199.60.103.51 (no PTR)
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
ns53.domaincontrol.com dns.jomax.net 2025121002 28800 7200 604800 600
Primary NS (mname)
ns53.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025121002
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns54.domaincontrol.com
ns53.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.exclaimer.net include:4212050.spf05.hubspotemail.net include:spf.protection.outlook.com include:sendgrid.net include:spf.zohomail360.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
12 records- google-site-verification=jZeJjzIANCFmZ6nvF77iiQigsCVUzONYY39d6z6GM5g
- box-domain-verification=4b33289f9754af18c15b9c837e2541d6930d0d6bb4ed6282c018e3f725971024
- cisco-ci-domain-verification=3873149d15e397f08e250df4a5990e553e4050245be5885f2f4e79c42491a832
- ms-domain-verification=ef879e56-1611-408b-9317-713bf6dbaa91
- tat0mud938mvonuhq68e4fhk3l
- SPFv=spf1 include:spf.exclaimer.net include:4212050.spf05.hubspotemail.net include:spf.protection.outlook.com include:sendgrid.net include:spf.zohomail360.com -all
- docusign=eef617e4-dd5a-4181-8966-cb121e6dad83
- docusign=13758f14-2068-4f41-9b7a-c3e0128f150b
- google-site-verification=hUrZFwKXNQcjFe0Ore2NEwgIM1YCtIca9Isw94QjuVY
- ms-domain-verification=f21c56e2-aba5-4e7f-b066-e8e72c25683f
- apple-domain-verification=U6cXvAtbmhGtWcvu
- l6ksjs3bhphlm9p7pkc166jkgl
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 48forty.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits