option-verlag.de

Valid Email Server
Domain Lookup › option-verlag.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
option-verlag.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 03:12:50 UTC · ↺ Refresh

MX Hostnames

  • optionverlag-de01e.mail.protection.outlook.com

MX Priorities

  • optionverlag-de01e.mail.protection.outlook.com: 10

A / AAAA Records

  • 212.3.84.200 ↩ hosta.city-pc.de

Mail Server IPs

  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA a.ns14.net do-not-reply.option-verlag.de 2022012604 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@option-verlag.de
Serial
2022012604
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

a.ns14.net
b.ns14.net
d.ns14.net
c.ns14.net

SPF Record

✓ Strict (-all)
v=spf1 mx a:hostB.city-pc.de 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

✗ 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

2 records
  • SPFv=spf1 mx a:hostB.city-pc.de include:spf.protection.outlook.com -all
  • MS=ms39912062
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