smdnet.de

Valid Email Server
Domain Lookup › smdnet.de

Domain Overview

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

Checked via [email protected] · 2026-04-02 04:15:55 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.155.194.22 ↩ hosting05.rohwerder-isp.de

Mail Server IPs

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

SOA Record

Raw SOA ns.smd-markeur.de hostmaster.smd-markeur.de 2026032501 21600 7200 2419200 86400
Primary NS (mname)
ns.smd-markeur.de
Admin Email (rname)
hostmaster@smd-markeur.de
Serial
2026032501
Refresh
21600s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s

Nameservers (NS)

pns.dtag.de
secondary006.dtag.net

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:185.155.194.0/24 ip4:185.66.179.64/27 ip4:217.6.19.224/27 ip4:195.243.228.160/27 ip4:77.87.185.6 ip4:77.87.185.118 ip4:185.66.176.100 ip4:185.66.176.33 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

1 record
  • SPFv=spf1 mx ip4:185.155.194.0/24 ip4:185.66.179.64/27 ip4:217.6.19.224/27 ip4:195.243.228.160/27 ip4:77.87.185.6 ip4:77.87.185.118 ip4:185.66.176.100 ip4:185.66.176.33 include:spf.protection.outlook.com -all
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