Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
q4u.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 21:00:30 UTC · ↺ Refresh
MX Hostnames
- q4u-de.mail.protection.outlook.com
MX Priorities
- q4u-de.mail.protection.outlook.com: 0
A / AAAA Records
- 185.207.105.31 ↩ web58.q4u.de
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net hej.q4u.de 2025110606 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hej@q4u.de
Serial
2025110606
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
b.ns14.net
c.ns14.net
a.ns14.net
d.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:5.35.250.15 ip4:92.51.151.39 ip4:5.35.249.240 ip4:83.169.4.138 ip4:5.35.251.131 ip4:178.77.79.97 ip4:109.91.130.253 ip4:5.35.252.55 ip4:185.207.105.31 include:spf.protection.outlook.com include:spf.sendinblue.com include:spf.mailjet.com -all
📊 DNS lookups: 3/10
✓ 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
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
9 records- bw=h4H7qdPVm17bmP3zDdnUPFjPexk8IjeMPPoMZRK3qjkD
- apple-domain-verification=OyAeMdSlfugMbH7O
- SPFv=spf1 ip4:5.35.250.15 ip4:92.51.151.39 ip4:5.35.249.240 ip4:83.169.4.138 ip4:5.35.251.131 ip4:178.77.79.97 ip4:109.91.130.253 ip4:5.35.252.55 ip4:185.207.105.31 include:spf.protection.outlook.com include:spf.sendinblue.com include:spf.mailjet.com -all
- google-site-verification=-1bClDNQ3A-IuwyDwP9hydlrkCUAM-_p3nDeL0F4K6U
- apple-domain-verification=SqYtYOniJq4xFxaN
- cisco-ci-domain-verification=55ad0a822498263b3e573f65268ee112879fa28a4c6ca517ec8811ad49911920
- anthropic-domain-verification-tgpyx3=odevELU6H8N92Nj9Nv0k7sK3E
- brevo-code:ba39811e24e9bb2e649b593420d3846b
- ms=ms14577600
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