Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ntt-valley.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 14:23:27 UTC · ↺ Refresh
MX Hostnames
- nttvalley-de0i.mail.protection.outlook.com
MX Priorities
- nttvalley-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 83.243.41.150 ↩ ip-150-41-243-83.jaba.hosting
- 2a00:f820:592::150 ↩ ip-150-41-243-83.jaba.hosting
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.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:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.jaba.hosting do-not-reply.ntt-valley.de 2025091100 43200 7200 1209600 86400
Primary NS (mname)
ns1.jaba.hosting
Admin Email (rname)
do-not-reply@ntt-valley.de
Serial
2025091100
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.jaba.hosting
ns4.jaba.hosting
ns3.jaba.hosting
ns1.jaba.hosting
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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