4u-at-work.de

Valid Email Server
Domain Lookup › 4u-at-work.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
4u-at-work.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 14:24:26 UTC · ↺ Refresh

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MX Hostnames

  • 4uatwork-de0ec.mail.protection.outlook.com

MX Priorities

  • 4uatwork-de0ec.mail.protection.outlook.com: 0

A / AAAA Records

  • 185.185.24.84 ↩ managed.19561.linevast.de
  • 2a05:8b81:1000:2::a8a9:58a4 (no PTR)

Mail Server IPs

  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.209.28 ↩ mail-cpjpr05cu00104.inbound.protection.outlook.com
  • 52.101.91.162 ↩ mail-matpr04cu00302.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::6 ↩ mail-zrxpr04cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::8 ↩ mail-wa4pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns299.linevast.de abuse.linevast.de 2026081302 10800 3600 604800 10800
Primary NS (mname)
ns299.linevast.de
Admin Email (rname)
abuse@linevast.de
Serial
2026081302
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

ns299.linevast.de
ns298.linevast.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:213.95.13.132 ip4:213.95.13.133 ip4:31.11.29.204 ip4:31.11.29.203 ip6:2a01:488:42:1000:53a9:18c0:: a:mailout.germanpersonnel.de a:mailrelay.netways.de include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.talention.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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

5 records
  • KdPPvpVnIrdV+Q4f71I84fQO4svnl6vZtnc/usRjzzKREudm24p5AnkJOjuDWVabWdG5Me6dSwB7Gu9asURQ6Q==
  • MS=ms51899698
  • ukr6pv1pdaf1m22ln62v1istq7
  • SPFv=spf1 ip4:213.95.13.132 ip4:213.95.13.133 ip4:31.11.29.204 ip4:31.11.29.203 ip6:2a01:488:42:1000:53a9:18c0:: a:mailout.germanpersonnel.de a:mailrelay.netways.de include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.talention.com -all
  • apple-domain-verification=MoDvZ762dSy45hlY
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