Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gumpp-maier.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 08:45:21 UTC · ↺ Refresh
MX Hostnames
- gumppmaier-de01c.d-v1.mx.microsoft
MX Priorities
- gumppmaier-de01c.d-v1.mx.microsoft: 10
A / AAAA Records
- 217.160.0.132 ↩ 217-160-0-132.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2d7 ↩ 2001-08d8-100f-f000-0000-0000-0000-02d7.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1065.ui-dns.biz hostmaster.1und1.de 2016110674 28800 7200 604800 300
Primary NS (mname)
ns1065.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2016110674
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1065.ui-dns.com
ns1065.ui-dns.biz
ns1065.ui-dns.org
ns1065.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
selector1._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
4 records- google-site-verification=oeVRFjVM379VpHyfZtqXEITKNOYzcybPDBqoABVrvfE
- SPFv=spf1 include:spf.protection.outlook.com -all
- atlassian-domain-verification=a8DnRh5R4S03G/dWBNOz/PrrebaIrnRgNg7mXysaSeH8Kyd8mzlODreEpKwaa18m
- apple-domain-verification=309Xh3IQzF5Q0LBq
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