Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
keller-lufttechnik.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 12:48:59 UTC · ↺ Refresh
MX Hostnames
- kellerlufttechnik-de01e.mail.protection.outlook.com
MX Priorities
- kellerlufttechnik-de01e.mail.protection.outlook.com: 0
A / AAAA Records
- 78.47.83.243 ↩ www546.your-server.de
- 2a01:4f8:d0a:4399::2 ↩ www546.your-server.de
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026012900 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026012900
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:2.207.139.68 ip4:2.207.139.70 ip4:78.47.83.243 ip4:83.135.39.146 ip6:2a01:4f8:d0a:4399::2 include:spf.protection.outlook.com include:spf.EU.exclaimer.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
8 records- atlassian-domain-verification=ZzVMj4qdsMm/8qsCgW8VMS9pUU/duJS2VcsMG7TJ9ioUWIGZqX7IzOP6dts7w7ja
- google-site-verification=6b0zHn_fTRUijy9Fp7k2M3_cCyfQwixiJ_Linb-Em9E
- google-site-verification=Uvylo1soTpLicUcB1gi-JtzTiIp3wEFQIhQ0v7Ct13Y
- mindmanager-verification=67d4a2b9f78db85adcf58e2f3e2b80a751fbbe5f042991036f2cc3921cc3e25d
- sophos-domain-verification=93f9aeca6561db210ed03d215c11f9be0fc87023793a98bad2dabc218ebeff58
- SPFv=spf1 a mx ip4:2.207.139.68 ip4:2.207.139.70 ip4:78.47.83.243 ip4:83.135.39.146 ip6:2a01:4f8:d0a:4399::2 include:spf.protection.outlook.com include:spf.EU.exclaimer.net -all
- MS=ms83659092
- apple-domain-verification=viyhEBmNhO02icfz
Full email verification for keller-lufttechnik.de
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