Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
karrass.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-03 07:36:57 UTC · ↺ Refresh
MX Hostnames
- karrass-com.mail.protection.outlook.com
MX Priorities
- karrass-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.26.0.246 (no PTR)
- 104.26.1.246 (no PTR)
- 172.67.75.170
- 2606:4700:20::ac43:4baa
- 2606:4700:20::681a:f6
- 2606:4700:20::681a:1f6
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ethan.ns.cloudflare.com dns.cloudflare.com 2403070460 10000 2400 604800 1800
Primary NS (mname)
ethan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403070460
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jamie.ns.cloudflare.com
ethan.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:208.75.148.21 +ip4:96.30.5.160/31 +ip4:72.52.158.29 include:sendgrid.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- stripe-verification=7e525f7d3fb169f69a8ffe7d1df06bb2e0aefde90240cdfa629e7e1bf17a5a4f
- SPFv=spf1 +a +mx +ip4:208.75.148.21 +ip4:96.30.5.160/31 +ip4:72.52.158.29 include:sendgrid.net include:spf.protection.outlook.com ~all
- facebook-domain-verification=b7yq1l0tt2qu0b9ddfjmnc8phq9eld
- google-site-verification=X8RR25OdAuTR7KYUAeSurDdxhOInV0moyyjOcWJvfwo
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 · Customize →
See demo & docs
Deep verification
Full email verification for karrass.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits