hr-online.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hr-online.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 00:28:38 UTC · ↺ Refresh

MX Hostnames

  • hronline-de0e.mail.protection.outlook.com

MX Priorities

  • hronline-de0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 194.45.33.122 (no PTR)
  • 62.93.213.173 ↩ boltzmann.dunkel.de

Mail Server IPs

  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com

SOA Record

Raw SOA ns6.sec-provider.de hostmaster.sec-provider.de 2025082100 7200 1800 2419200 3600
Primary NS (mname)
ns6.sec-provider.de
Admin Email (rname)
hostmaster@sec-provider.de
Serial
2025082100
Refresh
7200s
Retry
1800s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns5.sec-provider.de
ns6.sec-provider.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:194.156.7.31 ip4:194.156.7.32 ip4:194.156.7.29 include:spf.sec-provider.de ip4:81.93.164.103 ip4:81.93.173.201 include:ivz.de ip4:194.233.199.240 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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
  • VewY4ndMokBjAInGGNb4glodDXbAM+pxfemB85OaTm0OTvWqtfuX9A5fnkxiDOcHcS00Q9YcHY2MCBi1eC0cuw==
  • SPFv=spf1 ip4:194.156.7.31 ip4:194.156.7.32 ip4:194.156.7.29 include:spf.sec-provider.de ip4:81.93.164.103 ip4:81.93.173.201 include:ivz.de ip4:194.233.199.240 include:spf.protection.outlook.com -all
  • MS=ms93608068
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