herko.com

Valid Email Server
Domain Lookup › herko.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
herko.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 17:01:31 UTC · ↺ Refresh

MX Hostnames

  • herko-com.mail.protection.outlook.com

MX Priorities

  • herko-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 98.82.40.130 ↩ ec2-98-82-40-130.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns-104.awsdns-13.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-104.awsdns-13.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-631.awsdns-14.net
ns-104.awsdns-13.com
ns-1132.awsdns-13.org
ns-1822.awsdns-35.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • v=verifydomain MS=3961725
  • google-site-verification=9973IhbeC2_nTF5Swz7Naugpnb4H7ET-oyavBPst4zs
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