Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
korhorn.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 03:11:45 UTC · ↺ Refresh
MX Hostnames
- korhorn-com.mail.protection.outlook.com
MX Priorities
- korhorn-com.mail.protection.outlook.com: 0
A / AAAA Records
- 155.138.213.187 ↩ 155.138.213.187.vultrusercontent.com
Mail Server IPs
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1773946169 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1773946169
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns2.registrar-servers.com
dns1.registrar-servers.com
SPF Record
✗ Invalid
v=spf1 include:one.zoho.com include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net ip4:167.68.0.1/16 ip4:173.9.195.181 include:spf.zoho.com include:spf1.zoho.com include:zcsend.net include:transmail.net include:_spf.amers.tr.com include:_spf.elasticemail.com include:zohocrm.com -all
📊 DNS lookups: 11/10
— over limit!
⚠ Too many DNS lookups (11/10) — SPF will fail validation. Reduce include: statements.
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1:d:s
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
9 records- zoho-verification=zb85520664.zmverify.zoho.com
- Foxit-domain-verification=6b452e3b8114f6116b156902da709a71
- Foxit-domain-verification=f625a509024f3c51b4a692266ce7f580
- ms-domain-verification=8556da2e-d23a-474b-881a-29a9e7f84a90
- threatmate-dns-verification=TXTca72cdc0605dd7297b05aac1e744a7eb
- google-site-verification=mQko6ZNdhVWWTBOntmM_izDZ0K1EbrlIi4WRzbUU__M
- google-site-verification=p2oToBvXAsBlEsLtyPrMWJmGsq_XZvm1-VmvrsL4No8
- google-site-verification=ubixGshuBJYRTcjXDZO71_olt1rxGGdYnEvGooRJFHw
- SPFv=spf1 include:one.zoho.com include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net ip4:167.68.0.1/16 ip4:173.9.195.181 include:spf.zoho.com include:spf1.zoho.com include:zcsend.net include:transmail.net include:_spf.amers.tr.com include:_spf.elasticemail.com include:zohocrm.com -all
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