Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crista.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 23:06:05 UTC · ↺ Refresh
MX Hostnames
- crista-net.mail.protection.outlook.com
MX Priorities
- crista-net.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.177.38 (no PTR)
- 104.21.80.95 (no PTR)
- 2606:4700:3035::6815:505f
- 2606:4700:3033::ac43:b126
Mail Server IPs
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
dorthy.ns.cloudflare.com dns.cloudflare.com 2399559486 10000 2400 604800 1800
Primary NS (mname)
dorthy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399559486
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nick.ns.cloudflare.com
dorthy.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf1.formassembly.com include:spf.renweb.com ip4:143.55.226.76 ip4:107.20.210.250 ip4:52.1.14.157 ip4:50.200.71.122 include:spf.zohomail360.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
16 records- bw=F6336RfGy1HWWIH/sFkjHp8JeWfBz9yPEvceL6suHMZM
- LBkTS8mar1JpbJtDFwde0vMz7AYkhOSCZKESTUHRfaRPSGlsYIdaciOOwE8pltdcUbTQkjfPsH5Xt/o+sr1wcg==
- jamf-site-verification=ERYp6tvUyuKy9ERdwV2RHQ
- 96ee1f70eb9c072faeede4354c0264f8dbad85e80121d174c7
- asv=5438a7bc027b2f036cd4c44f3eddbab7
- logmein-verification-code=968b804e-b702-4daa-afe0-52d750a30e0b
- google-site-verification=SQ8EsiyKXTwJprz2m0EOtnJXlb8PNzqXEl6VwPtWl-s
- stripe-verification=4f3019b98295a9d17fe397a68814e78c2516ecd36d871f46f3bd9a05ef093980
- 94rmjiFiyNTSfFGyjdNV+STACGc8ZzA0h7BExL4ZPKFayQHj30aftdENfWn1VX0sSkWrQYBkhBdhqf0oiHDHSA==
- 1cc29be6020740ced2090df7583f6da6412ef821e6d4347ef0
- 9128e29347700aa881661698c1e1fd04c20707f58255aabef3d0672ceca56111
- mandrill_verify.lu8fpy_jRK8ZJbUXo3fxHA
- 0ed1fe018a8d6f2400f0a24c85845ee9a8b351f128
- canva-site-verification=bH1L93aWT83SQIt2cw-kXw
- SPFv=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf1.formassembly.com include:spf.renweb.com ip4:143.55.226.76 ip4:107.20.210.250 ip4:52.1.14.157 ip4:50.200.71.122 include:spf.zohomail360.com -all
- apple-domain-verification=Q5vlMgoJ6PIybrnQ
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 crista.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits