Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
onkel-hh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 05:53:22 UTC · ↺ Refresh
MX Hostnames
- mx1.mas.t-systems-service.com
- mx3.mas.t-systems-service.com
- mx2.mas.t-systems-service.com
MX Priorities
- mx3.mas.t-systems-service.com: 30
- mx2.mas.t-systems-service.com: 20
- mx1.mas.t-systems-service.com: 10
A / AAAA Records
- 217.160.0.119 ↩ 217-160-0-119.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::236 ↩ 2001-08d8-100f-f000-0000-0000-0000-0236.elastic-ssl.ui-r.com
Mail Server IPs
- 94.100.254.155 ↩ ffm-mta01.mas.t-systems-service.com
- 46.29.101.2 ↩ muc-mta02.mas.t-systems-service.com
- 217.150.155.10 ↩ mgb-mta01.mas.t-systems-service.com
- 217.150.155.12 ↩ mgb-mta02.mas.t-systems-service.com
- 46.29.101.1 ↩ muc-mta01.mas.t-systems-service.com
SOA Record
Raw SOA
ns1035.ui-dns.biz hostmaster.1und1.com 2016122859 28800 7200 604800 600
Primary NS (mname)
ns1035.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2016122859
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1105.ui-dns.de
ns1035.ui-dns.biz
ns1114.ui-dns.com
ns1096.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.170.177.45 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:[email protected]; ri=604800;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- google-site-verification=ohMZrKk8A_XYHRGoixXv1puoC8CgXCHafZv_QXokZpk
- v=verifydomain MS=4516833
- SPFv=spf1 ip4:217.170.177.45 include:spf.protection.outlook.com -all
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