ctadvantage.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
ctadvantage.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-24 15:50:41 UTC ยท โ†บ Refresh

MX Hostnames

  • ctadvantage-com.mail.protection.outlook.com

MX Priorities

  • ctadvantage-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 52.184.250.88 (no PTR)

Mail Server IPs

  • 52.101.41.21 โ†ฉ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.10.6 โ†ฉ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.41.26 โ†ฉ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.9.2 โ†ฉ mail-mn2pr02cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-05.azure-dns.com wkdomains.wkglobal.com 2020070912 900 600 86400 900
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
wkdomains@wkglobal.com
Serial
2020070912
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
900s

Nameservers (NS)

ns3-05.azure-dns.org
ns4-05.azure-dns.info
ns1-05.azure-dns.com
ns2-05.azure-dns.net

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:spf.wolterskluwer.com ~all
๐Ÿ“Š DNS lookups: 1/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; pct=100; fo=1; ri=86400
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ 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
  • _ywmo6i2l37cgx4rywlksovvcglx2ksr
  • MS=ms25502884
  • amazonses:lJYSAovMcDL/0sl8nWlDLgzG6knJjGxYyLRWg2+q+YE=
  • SPFv=spf1 include:spf.wolterskluwer.com ~all
  • aogc6ogjds5krd94t0626asc45
  • _msuodvcii8d98f8vgzco32sdy8u6atq
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for ctadvantage.com

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

No credit card required
Get 1,000 Free Credits