Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
securityonealarm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 02:53:44 UTC · ↺ Refresh
MX Hostnames
- securityonealarm-com.mail.protection.outlook.com
MX Priorities
- securityonealarm-com.mail.protection.outlook.com: 0
A / AAAA Records
- 208.109.224.121 ↩ 121.224.109.208.host.secureserver.net
Mail Server IPs
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.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:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
SOA Record
Raw SOA
ns13.domaincontrol.com dns.jomax.net 2026020200 28800 7200 604800 86400
Primary NS (mname)
ns13.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns14.domaincontrol.com
ns13.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:72.38.225.64/29 ip4:209.15.158.66 ip4:162.142.75.1 ip4:64.72.239.188 ip4:206.191.88.226 ip4:23.140.0.82 ip4:72.38.84.194 ip4:52.240.150.170 ip4:142.116.40.187 include:spf.protection.outlook.com include:spf.mandrillapp.com include:sendgrid.net include:mailgun.org include:9094492.spf01.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ 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: 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
6 records- GOOGLE-SITE-VERIFICATION=W0SKPE_6ZFPLLFDMCOYY4IUV89JXZJHA2WO_IKSGHP0
- SPFv=spf1 ip4:72.38.225.64/29 ip4:209.15.158.66 ip4:162.142.75.1 ip4:64.72.239.188 ip4:206.191.88.226 ip4:23.140.0.82 ip4:72.38.84.194 ip4:52.240.150.170 ip4:142.116.40.187 include:spf.protection.outlook.com include:spf.mandrillapp.com include:sendgrid.net include:mailgun.org include:9094492.spf01.hubspotemail.net -all
- bcn=2BC87A1E-ACF8-11EF-87FF-B78E882E9451
- apple-domain-verification=jPly6ylZu1AA6Qsp
- growsurf=2tl6zb
- google-site-verification=BzojAps-XpWcjYsY0n4SCHw751NoDlvl6rqfuSuvoE0
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 securityonealarm.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits