Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kluthe.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 05:05:09 UTC · ↺ Refresh
MX Hostnames
- kluthe-com.mail.protection.outlook.com
MX Priorities
- kluthe-com.mail.protection.outlook.com: 0
A / AAAA Records
- 144.208.10.144 ↩ serv81169898.secure-node.de
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1080.ui-dns.com hostmaster.1und1.de 2017012528 28800 7200 604800 300
Primary NS (mname)
ns1080.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017012528
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1080.ui-dns.de
ns1080.ui-dns.biz
ns1080.ui-dns.org
ns1080.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:62.146.2.106 ip4:185.54.65.10 ip4:78.46.201.8 ip4:37.252.120.217 ip4:87.255.56.233 ip4:87.255.56.235 ip4:77.61.24.1 ip4:217.160.0.196 ip4:144.208.10.144 ip4:176.95.1.25 ip4:4.182.0.223 ip6:2a01:4f8:b0:c1c4::2 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.emailsignatures365.com include:psm.knowbe4.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
2 records- SPFv=spf1 mx ip4:62.146.2.106 ip4:185.54.65.10 ip4:78.46.201.8 ip4:37.252.120.217 ip4:87.255.56.233 ip4:87.255.56.235 ip4:77.61.24.1 ip4:217.160.0.196 ip4:144.208.10.144 ip4:176.95.1.25 ip4:4.182.0.223 ip6:2a01:4f8:b0:c1c4::2 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.emailsignatures365.com include:psm.knowbe4.com -all
- 2w5qUNVxWpZKmVm5HNV1PqexfxKYR7l90W15uOYqRRrPXbOlpzlBthhMnKGQqNqDrdCG2CS0j4E9X/73FjQy4g==
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