gre-ag.de

Valid Email Server
Domain Lookup › gre-ag.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gre-ag.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 14:25:26 UTC · ↺ Refresh

MX Hostnames

  • greag-de0i.mail.protection.outlook.com

MX Priorities

  • greag-de0i.mail.protection.outlook.com: 1

A / AAAA Records

  • 172.67.152.228 (no PTR)
  • 104.21.2.203 (no PTR)
  • 2606:4700:3032::ac43:98e4
  • 2606:4700:3036::6815:2cb

Mail Server IPs

  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com

SOA Record

Raw SOA bob.ns.cloudflare.com dns.cloudflare.com 2399527414 10000 2400 604800 1800
Primary NS (mname)
bob.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399527414
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

bob.ns.cloudflare.com
venus.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.dbc-gruppe.de ip4:138.201.122.179 ip4:31.220.125.205 +a -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
  • google-site-verification=06wmpnTD_MZGgiLVc-j_F7mrIl42MsmYF0RS7IDEl38
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.dbc-gruppe.de ip4:138.201.122.179 ip4:31.220.125.205 +a -all
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