Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
pacwestsystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 00:29:25 UTC · ↺ Refresh
MX Hostnames
- pacwestsystems-com.mail.protection.outlook.com
MX Priorities
- pacwestsystems-com.mail.protection.outlook.com: 0
A / AAAA Records
- 173.249.144.82 ↩ cloudhost-186123.us-west-1.nxcli.net
Mail Server IPs
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.mydomain.com namehost.worldnic.com 126021116 10800 3600 604800 3600
Primary NS (mname)
ns1.mydomain.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021116
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.mydomain.com
ns2.mydomain.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s2
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- atlassian-sending-domain-verification=fdcbb5f2-1aec-47c5-9c85-dd9adbfa41af
- google-site-verification=7yavXCAqKTMGZdfao6YzAwO2V-ePVDmRGhyFoqMuHX4
- Foxit-domain-verification=31feaa0b64d4753c183fac0edaf62071
- SPFv=spf1 include:spf.protection.outlook.com -all
- brevo-code:55f2a89e2ccccd5c1438fb4034c1113a
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 pacwestsystems.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits