optelec.de

Valid Email Server
Domain Lookup › optelec.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
optelec.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 15:49:17 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 172.67.196.231 (no PTR)
  • 104.21.52.76 (no PTR)
  • 2606:4700:3032::ac43:c4e7
  • 2606:4700:3032::6815:344c

Mail Server IPs

  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.60.65 ↩ mail-bn3pr02cu00101.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f909::1 ↩ mail-bn0pr02cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA jose.ns.cloudflare.com dns.cloudflare.com 2410559856 10000 2400 604800 1800
Primary NS (mname)
jose.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2410559856
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

jose.ns.cloudflare.com
sandra.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:46.44.141.74 ip4:212.184.167.187 ip4:212.129.56.88 ip4:178.248.154.50 ip4:178.248.153.239 include:spf.ymlp.com include:spf.transsmart.com include:spf.protection.outlook.com include:spf.brevo.com include:_spf.shared.lvl.li ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=r; rua=mailto:[email protected]; rf=afrf; fo=0; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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

6 records
  • MS=ms65311486
  • atlassian-domain-verification=nissEhmC4B6UKISCFHC58cg1wFkCxB9PpFTX/GtI7ku3ALbBlxJ6bWojywVttwRX
  • brevo-code:b4448119a5b99af0bc417c4b990454e4
  • knowbe4-site-verification=27c87bc44e473fb8ef6ee019df0078dd
  • openai-domain-verification=dv-vgjmy6XOlqS98AWrjcABgMfM
  • SPFv=spf1 ip4:46.44.141.74 ip4:212.184.167.187 ip4:212.129.56.88 ip4:178.248.154.50 ip4:178.248.153.239 include:spf.ymlp.com include:spf.transsmart.com include:spf.protection.outlook.com include:spf.brevo.com include:_spf.shared.lvl.li ~all
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