surefire.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
surefire.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 16:39:53 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • surefire-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 192.200.160.248 (no PTR)
  • 63.141.128.8 (no PTR)

Mail Server IPs

  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.60.160 ↩ mail-bn0pr04cu00800.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:c918::3 ↩ mail-byapr03cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com

SOA Record

Raw SOA joyce.ns.cloudflare.com dns.cloudflare.com 2413680050 10000 2400 604800 1800
Primary NS (mname)
joyce.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2413680050
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

joyce.ns.cloudflare.com
noah.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:38.120.12.43 ip4:12.159.104.182 ip4:12.159.104.178 include:spf.protection.outlook.com include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.atlassian.net include:mailgun.org include:mercurygate.net include:_spf.bigcommerce.com include:spfa.cpmails.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=none; pct=100; adkim=r; aspf=s; fo=1; rf=afrf; ri=86400; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✗ None detected

No 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

7 records
  • ndavdp41hg4idro8fsfdmhvi96
  • SPFv=spf1 ip4:38.120.12.43 ip4:12.159.104.182 ip4:12.159.104.178 include:spf.protection.outlook.com include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.atlassian.net include:mailgun.org include:mercurygate.net include:_spf.bigcommerce.com include:spfa.cpmails.com -all
  • 86e28320f81a0a2d
  • atlassian-domain-verification=ioInP72mKpsS6QaJQmN3XSOzx0GKCrkyNYiEf3j4SVFoYjd2I4rGYM02p4DIxnti
  • bbll45e25khvgfhfdn44k6q9o1
  • f3qovoh47pukoic496edo8q4gc
  • google-site-verification=XvrenexTUsKqaHvJK4oUjGpNazvLgF5M_XiIhrCbD68
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 surefire.com

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

No credit card required
Get 1,000 Free Credits