aifs.de

Valid Email Server

Domain Overview

DNS: ✓ 15d ago Checker: ✓ 15d ago
aifs.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-08-19 06:03:11 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 199.60.103.60 (no PTR)

Mail Server IPs

  • 52.101.9.17 (no PTR)
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA ns-a.tro.net hostmaster.tro.net 2025121510 43200 7200 1209600 600
Primary NS (mname)
ns-a.tro.net
Admin Email (rname)
hostmaster@tro.net
Serial
2025121510
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns-b.tro.net
ns-d.tro.net
ns-c.tro.net
ns-a.tro.net

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:93.184.63.37 ip4:82.100.246.218 ip4:20.117.163.32 include:spf.protection.outlook.de include:19617859.spf06.hubspotemail.net include:spf.US.exclaimer.net include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

10 records
  • apple-domain-verification=dfr1D8z4ics6bfURRd7kIZs-uhQthRhXm78SX4aSmqg
  • MS=DBC0D1927FBA5811B63A547CF89AE271677D7C29
  • google-site-verification=YP438xDCUZfA4wj8-OdBLgyBwWgB9YBr0K81FmU6Nds
  • MS=ms87658267
  • apple-domain-verification=4mpmE4KrjfQSjdnh
  • _9vn6in8ho0eutgkykln4fu0nusccx81
  • knowbe4-site-verification=7662059ce24cb0e50a65ff0f4460e94b
  • MS=ms62652315
  • apple-domain-verification=NgVZXh4L3uNAWN7s_uzbK7ptlza2QLyM2NyOOqWSNik
  • SPFv=spf1 mx ip4:93.184.63.37 ip4:82.100.246.218 ip4:20.117.163.32 include:spf.protection.outlook.de include:19617859.spf06.hubspotemail.net include:spf.US.exclaimer.net include:spf.protection.outlook.com -all
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