gb-tw.de

Valid Email Server
Domain Lookup › gb-tw.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gb-tw.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 04:20:36 UTC · ↺ Refresh

MX Hostnames

  • gbtw-de0e.mail.protection.outlook.com

MX Priorities

  • gbtw-de0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.3 ↩ 217-160-0-3.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::208 ↩ 2001-08d8-100f-f000-0000-0000-0000-0208.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.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::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1053.ui-dns.com hostmaster.1und1.com 2017060108 28800 7200 604800 600
Primary NS (mname)
ns1053.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060108
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1053.ui-dns.com
ns1059.ui-dns.biz
ns1094.ui-dns.org
ns1123.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

1 record
  • SPFv=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
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