Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gfad.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 15:23:16 UTC · ↺ Refresh
MX Hostnames
- gfad-de.mail.protection.outlook.com
MX Priorities
- gfad-de.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.50 ↩ 217-160-0-50.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.ui-global-dns.de hostmaster.1und1.com 2017060148 28800 7200 604800 600
Primary NS (mname)
ns.ui-global-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060148
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns.ui-global-dns.de
ns.ui-global-dns.com
ns.ui-global-dns.biz
ns.ui-global-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.rexx-suite.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; pct=100;adkim=r;aspf=r;rua=mailto:[email protected]; ruf=mailto:[email protected];rf=afrf;ri=86400;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- sophos-domain-verification=c0cea2c5dcc3e94cc94a788c1403946f37a84791c5b665d6cb1aec07ad91501a
- SPFv=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.rexx-suite.com -all
- apple-domain-verification=fIwe20SLdg8MfRUJ
- facebook-domain-verification=o2oq31vom7ufwylv2d3niysq709brz
- teamviewer-sso-verification=25ca5ace8f5d42ccbb7f7ea6701240fc
- 1Gw+tD328tPyqhBQ0mOfxAA1xnBrY3z8hNVmwJETRJ7gmIfxHYGswvUKxpQwpg4bSWA1QFPOj/4UVDhzYeshCQ==
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