arnsburg.de

Valid Email Server
Domain Lookup › arnsburg.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 11:37:17 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 81.169.145.153 ↩ w99.rzone.de
  • 2a01:238:20a:202:1153:: ↩ w99.rzone.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::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ 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

SOA Record

Raw SOA shades05.rzone.de hostmaster.strato-rz.de 2020050849 86400 7200 604800 300
Primary NS (mname)
shades05.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050849
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades05.rzone.de
docks03.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com a mx ip4:87.139.25.206/32 ip4:10.0.1.182/24 ip4:217.22.193.124/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=reject; ri=2592000; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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

3 records
  • MS=ms24571624
  • SPFv=spf1 include:_spf.google.com a mx ip4:87.139.25.206/32 ip4:10.0.1.182/24 ip4:217.22.193.124/32 include:spf.protection.outlook.com -all
  • MS=E077904801F0FE7B43DC4D32A165EED3263D8AE9
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