Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
securiguard.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-07 09:40:31 UTC · ↺ Refresh
MX Hostnames
- securiguard-com.mail.protection.outlook.com
MX Priorities
- securiguard-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.165.21 (no PTR)
- 104.21.11.27 (no PTR)
- 2606:4700:3030::ac43:a515
- 2606:4700:3034::6815:b1b
Mail Server IPs
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
SOA Record
Raw SOA
keaton.ns.cloudflare.com dns.cloudflare.com 2401001882 10000 2400 604800 1800
Primary NS (mname)
keaton.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2401001882
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
zainab.ns.cloudflare.com
keaton.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:38.32.234.2 ip4:216.251.157.114 include:fdspfus.freshemail.io include:amazonses.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=50; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
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
10 records- cisco-ci-domain-verification=7fda6c0da883714e75ce87783cadd0631215d7af0cb349881338f95e96cf7de6
- facebook-domain-verification=n9gvd4re5mej88yavjavq2diizeylg
- google-site-verification=UUr6wXbyMuyqkNc4e2GOYh5-OhCvErq5Y_c7seK6zu4
- j32usq30q9m29rnbkrj0comt7i
- slack-domain-verification=eDoFPICsAn45l2788HQf48R9bvBLNNZjiapyHTiF
- twilio-domain-verification=19a4e5674e64831c314430952f04fefa
- SPFv=spf1 mx ip4:38.32.234.2 ip4:216.251.157.114 include:fdspfus.freshemail.io include:amazonses.com include:spf.protection.outlook.com -all
- 28i8d5k104c315d53c370ko9q9
- apple-domain-verification=1YSr6kIScXIXPZDC
- atlassian-domain-verification=WjO8wKjqmwWAb1r7u/AG1xBwXnFW5btHOuiOalWrJPPuCwSo8UjWBJ6ReKOhe043
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 securiguard.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits