isdgroup.de

Valid Email Server
Domain Lookup › isdgroup.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 19:21:38 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 2.207.239.24 ↩ dslb-002-207-239-024.002.207.pools.vodafone-ip.de

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.versatel.de hostmaster.versatel.de 2025070700 86400 28800 3600000 86400
Primary NS (mname)
ns01.versatel.de
Admin Email (rname)
hostmaster@versatel.de
Serial
2025070700
Refresh
86400s
Retry
28800s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns01.versatel.de
ns04.versatel.de
ns02.versatel.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:2.207.239.22 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com ip4:2.207.239.22 -all
  • MS=ms89994093
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