Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smprime.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:17:23 UTC · ↺ Refresh
MX Hostnames
- smprime-com.mail.protection.outlook.com
MX Priorities
- smprime-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.5.222 (no PTR)
- 104.18.4.222 (no PTR)
- 2606:4700::6812:5de (no PTR)
- 2606:4700::6812:4de (no PTR)
Mail Server IPs
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
nancy.ns.cloudflare.com dns.cloudflare.com 2398649868 10000 2400 604800 1800
Primary NS (mname)
nancy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398649868
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nancy.ns.cloudflare.com
randy.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.sm.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
4 records- MS=ms26635072
- atlassian-domain-verification=39kJkGCGgxvkeA/pr5xgEiL3KHZQwqa2iX7HH2M/jaQc8eMyXf/1aBUECT8M1n4z
- brevo-code:5ffbdfd4de17653a5ff4044df74042b4
- SPFv=spf1 include:_spf.sm.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
See demo & docs
Deep verification
Full email verification for smprime.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits