index.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
index.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 02:19:29 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • index-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 89.27.158.85 ↩ smtp.indexinternet.de

Mail Server IPs

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

SOA Record

Raw SOA ns2.routing.net hostmaster.routing.net 2026030900 3600 3600 86400 900
Primary NS (mname)
ns2.routing.net
Admin Email (rname)
hostmaster@routing.net
Serial
2026030900
Refresh
3600s
Retry
3600s
Expire
86400s
Minimum TTL
900s

Nameservers (NS)

ns2.routing.net
ns3.routing.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:91.217.141.0/24 ip4:82.207.179.224/27 ip4:89.27.158.64/27 ip4:217.199.72.160/27 ip4:213.160.90.22/32 ip4:185.11.139.159/32 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:40.103.0.0/16 ip4:217.110.204.106/32 include:_spf.tivian.com include:spf.routing.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 392 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

4 records
  • MS=ms71358020
  • google-site-verification=ZpD_mYrCqcL3N-9YnSR2C_hY4sKenJtrJCw5d9tMDgU
  • google-site-verification=Si8VKKbeUd66jThV0DPaPC57uYmRWK_NPqWNZaacf7U
  • SPFv=spf1 ip4:91.217.141.0/24 ip4:82.207.179.224/27 ip4:89.27.158.64/27 ip4:217.199.72.160/27 ip4:213.160.90.22/32 ip4:185.11.139.159/32 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:40.103.0.0/16 ip4:217.110.204.106/32 include:_spf.tivian.com include:spf.routing.net include:spf.protection.outlook.com -all
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