rhotec.de

Valid Email Server
Domain Lookup › rhotec.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 21:38:28 UTC · ↺ Refresh

MX Hostnames

  • rhotec-de.mail.protection.outlook.com

MX Priorities

  • rhotec-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 152.53.120.20 ↩ server2.rhotec.eu
  • 2a0a:4cc0:c0:4035:1403:e7ff:fea8:a1e9 ↩ server2.rhotec.eu

Mail Server IPs

  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns2.rhotec.eu admin.rhotec.eu 2026031702 28800 7200 604800 86400
Primary NS (mname)
ns2.rhotec.eu
Admin Email (rname)
admin@rhotec.eu
Serial
2026031702
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns7.rhotec.eu
ns2.rhotec.eu

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:152.53.120.20 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

✓ 1 found
default._domainkey
✓ Public key: 216 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

2 records
  • MS=ms96607595
  • SPFv=spf1 mx a ip4:152.53.120.20 include:spf.protection.outlook.com -all
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