hochtief.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-21 05:34:55 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 194.245.34.140 (no PTR)

Mail Server IPs

  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA x.ns.joker.com hostmaster.joker.com 2026031743 14400 3600 1209600 300
Primary NS (mname)
x.ns.joker.com
Admin Email (rname)
hostmaster@joker.com
Serial
2026031743
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

x.ns.joker.com
y.ns.joker.com
z.ns.joker.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf1.hochtief.de include:spf2.hochtief.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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

6 records
  • eID/Xz17/S8HL4lzc02LnR6KnKRzqzaZTPPap4pXYldNskv5JwykOSRNsa4BJLnvmkYlQUH1zER/Kvyi1Nk7Lw==
  • atlassian-domain-verification=TbN7MenUyVeSGTqrtGPC89GlD2XA5fKatT8GZsNe6vNCxaHxrjfvpmynIfBl9I3R
  • autodesk-domain-verification=zbxfclmqju-kYoUkuoii
  • apple-domain-verification=ElVBm8Y36Riqw16k
  • knowbe4-site-verification=31e048ee3866263191cb829f1ee3a099
  • SPFv=spf1 include:spf1.hochtief.de include:spf2.hochtief.de -all
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