Live data โ DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: โก live
Checker: โก live
climbcs.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-05-21 11:59:12 UTC ยท โบ Refresh
MX Hostnames
- climbcs-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 141.193.213.10
- 141.193.213.11
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns62.worldnic.com
ns61.worldnic.com
SPF Record
โ Strict (-all)
v=spf1 ip4:173.251.66.128/25 a mx include:transmail.net include:spf.protection.outlook.com include:spf-us.emailsignatures365.com include:spf.constantcontact.com include:zcsend.net include:relay.mailchannels.net -all
๐ DNS lookups: 8/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=10; rua=mailto:[email protected];
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
โ Policy applies to 10% of failing messages only
DKIM Selectors
โ 2 found
selector1._domainkey
selector2._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- knowbe4-site-verification=74148af8f7e889fae9cab21e21b59a25
- Account Engagement emails pass SPF automatically, but we recommend setting it up as a best practice.
- nitro-verification-code=LTQ0Njg5Nzc5NzU1OTQ3ODg4MDg=
- d365mktkey=y1xPTkz10bVftCLrdVNU9hJD0YfIN3oOwjRknIxKyD4x
- apple-domain-verification=XOTl67hkaHbGqEPu
- SPFv=spf1 ip4:173.251.66.128/25 a mx include:transmail.net include:spf.protection.outlook.com include:spf-us.emailsignatures365.com include:spf.constantcontact.com include:zcsend.net include:relay.mailchannels.net -all
- anthropic-domain-verification-r9hg7k=rSfnMbnlK3ddYsWCzL5DlYJ46
- mindmanager-verification=c49eb6bbc8b52fd28e99d42a7f29a3bd0c0f6bdf707fce1d10c6ccacc2e281d6
- sending_domain1037433=861dd40ec63a977e4ce56a554aee7db8bb20e38f39894b52c3e8cae083a60755
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 climbcs.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits