Domain Overview
DNS: ✓ 5h ago
Checker: ✓ 5h ago
korbyt.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 04:48:15 UTC · ↺ Refresh
MX Hostnames
- korbyt-com.mail.protection.outlook.com
MX Priorities
- korbyt-com.mail.protection.outlook.com: 0
A / AAAA Records
- 18.210.172.28 ↩ ec2-18-210-172-28.compute-1.amazonaws.com
- 3.234.66.134 ↩ ec2-3-234-66-134.compute-1.amazonaws.com
- 44.194.85.64
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-525.awsdns-01.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-525.awsdns-01.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-525.awsdns-01.net
ns-1456.awsdns-54.org
ns-1780.awsdns-30.co.uk
ns-386.awsdns-48.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:aspmx.pardot.com include:_spf.salesforce.com include:_spf.intacct.com include:amazonses.com ip4:50.18.189.239 ip4:54.219.79.196 ip4:151.236.35.177 ip4:92.48.103.58 ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; pct=100; ri=86400; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
6 records- intacct-esk=7B1988127268A83AE053AA06A8C055F7
- SPFv=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:aspmx.pardot.com include:_spf.salesforce.com include:_spf.intacct.com include:amazonses.com ip4:50.18.189.239 ip4:54.219.79.196 ip4:151.236.35.177 ip4:92.48.103.58 ~all
- anthropic-domain-verification-r1mkkw=e6v4fbfWKcA4myKnk3XQhSIZS
- cudjqjr716bojca937e4911m23
- cursor-domain-verification-0pr6aa=rMm7S9s8KSsYKdsYI7zhmpue4
- google-site-verification=c2uGR5V3bx7J2-z7c50LsCi1ehYgDNkYGZtWioyR-cQ
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