itatbusiness.de

Valid Email Server
Domain Lookup › itatbusiness.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
itatbusiness.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 17:31:47 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 212.97.109.170 ↩ w04.gbc.systems

Mail Server IPs

  • 52.101.185.21 ↩ mail-zrxpr05cu00105.inbound.protection.outlook.com
  • 52.101.91.153 ↩ mail-matpr04cu00101.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c967::a ↩ mail-cpjpr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com

SOA Record

Raw SOA ns.gbc.systems support.gbc.net 2026081301 3600 900 1209600 300
Primary NS (mname)
ns.gbc.systems
Admin Email (rname)
support@gbc.net
Serial
2026081301
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns.gbc.green
ns.gbc.red
ns.gbc.systems
ns.gbc.jetzt
ns.gbc.gmbh

SPF Record

✓ Strict (-all)
v=spf1 ip4:37.24.27.80/28 ip4:212.97.96.0/19 ip4:212.60.252.64/29 include:spf.protection.outlook.com include:spfa.cpmails.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; ruf=mailto:[email protected]; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • SPFv=spf1 ip4:37.24.27.80/28 ip4:212.97.96.0/19 ip4:212.60.252.64/29 include:spf.protection.outlook.com include:spfa.cpmails.com -all
  • sophos-domain-verification=22ee84b15b5491ddf170787c66a0a37283298b3053e8ff861bc414b67417e1f3
  • google-site-verification=wjSyXMHw4Ugt1rGc8Eh4bFGZZ7Lf0Z_WZeD2wdpslyo
  • apple-domain-verification=kNn6NnBNZvuT7sw9
  • _q689pqpyxpj6xw0dq4wvkiw7xut7btx
  • swisssign-check=yN3NODTeINz_aHsmlw7GHR8b9w8
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