refeka.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
refeka.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-03 18:18:24 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 157.90.226.250 ↩ static.250.226.90.157.clients.your-server.de
  • 2a01:4f8:1c1c:f0fa::1 (no PTR)

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:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns1106.ui-dns.biz hostmaster.1und1.de 2016042042 28800 7200 604800 300
Primary NS (mname)
ns1106.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2016042042
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1106.ui-dns.de
ns1106.ui-dns.biz
ns1106.ui-dns.com
ns1106.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:157.90.226.250 ip4:49.12.219.243 ip4:51.116.171.35 ip4:80.152.171.16 ip4:213.203.201.125 ip4:212.227.126.187 ip4:88.99.218.167 ip4:213.165.67.97 include:spf.tmes.trendmicro.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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

6 records
  • google-site-verification=9PREQqvZclIZULbFc8cx7mvBTLIvRkFPMqguYzy2NHo
  • MS=ms88860894
  • tmes=d0ed3ca9075aa70d138c344ff04d0c73
  • MS=ms78477252
  • SPFv=spf1 mx ip4:157.90.226.250 ip4:49.12.219.243 ip4:51.116.171.35 ip4:80.152.171.16 ip4:213.203.201.125 ip4:212.227.126.187 ip4:88.99.218.167 ip4:213.165.67.97 include:spf.tmes.trendmicro.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
  • hes=c155b5263798a20469cf38129caf460f
Full email verification for refeka.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits