Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sswtechnologies.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 13:11:29 UTC · ↺ Refresh
MX Hostnames
- sswtechnologies-com.mail.protection.outlook.com
MX Priorities
- sswtechnologies-com.mail.protection.outlook.com: 0
A / AAAA Records
- 173.255.228.183 ↩ li238-183.members.linode.com
- 2600:3c03::f03c:92ff:fead:51e6 (no PTR)
Mail Server IPs
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
max.ns.cloudflare.com dns.cloudflare.com 2399169816 10000 2400 604800 1800
Primary NS (mname)
max.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399169816
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sandy.ns.cloudflare.com
max.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:70.182.110.4 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 4/10
✓ 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
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 392 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
8 records- tsf777ih4d6rqkan5jlsekp092
- SPFv=spf1 mx a ip4:70.182.110.4 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
- webexdomainverification.66a161620676bccee053ad06fc0ab87f=0d46ed39-739a-41fe-ad63-51ef147543ae
- 65baah9ktor8iksood8jpjvop0
- 8fig7d30bqfnlgab4783p87pup
- dsf1dsrhj9rrgose6acdd86qvt
- eskstuq8ee26gquaetr90pm41v
- tole04uckpi6030ue2e3shj751
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 sswtechnologies.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits