Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nu3.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 10:56:51 UTC · ↺ Refresh
MX Hostnames
- nu3-de.mail.protection.outlook.com
MX Priorities
- nu3-de.mail.protection.outlook.com: 10
A / AAAA Records
- 23.227.38.32 ↩ myshopify.com
- 2620:127:f00f:5:: (no PTR)
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.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::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net postmaster.nu3.de 2025121435 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
postmaster@nu3.de
Serial
2025121435
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
c.ns14.net
d.ns14.net
b.ns14.net
a.ns14.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:212.91.255.152/29 ip4:79.140.126.88/29 include:spf.protection.outlook.com include:shops.shopify.com include:amazonses.com a:mail.fp-sign.com include:spf.outbound.parcellab.email include:spf.sendinblue.com include:spf1.atlassian.com include:spf3.atlassian.com mx ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rf=afrf; pct=100;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
14 records- Sendinblue-code:d62dc54802cec56bead6d89e558d8df3
- SPFv=spf1 ip4:212.91.255.152/29 ip4:79.140.126.88/29 include:spf.protection.outlook.com include:shops.shopify.com include:amazonses.com a:mail.fp-sign.com include:spf.outbound.parcellab.email include:spf.sendinblue.com include:spf1.atlassian.com include:spf3.atlassian.com mx ~all
- google-gws-recovery-domain-verification=59869746
- w3tu8XpA3nJROqk3UPr93kARfiZhxggBIdyUO+YYTxU=
- apple-domain-verification=cPDDPoR2H8pFgKTZ
- atlassian-domain-verification=y15WjwtgkQMsH4W5705OT4M2d6ZFcHudHYC4Zd7Biy5euPM1DJXu9ySreb3JWgZL
- google-site-verification=Sg3FPu06fkCw0iq3csKWX-H7gAW_3xqo67juxg2j22Y
- pinterest-site-verification=612402d352018b1f080f78e2555bbdf0
- openai-domain-verification=dv-1e1ovsbkfRYX9OXVzlOQI687
- MS=ms39937286
- shopify-verification-code=eARn8JCLQ5dIkUH1rX1LXKTYdTJ12j
- atlassian-sending-domain-verification=2058b031-e1d3-4c4d-b9d3-b65f31cd1603
- lucidlink-verification=X7426MAMXQHHRZDFVAJNNQG1J4
- facebook-domain-verification=mm653khyjgc9n7bmsufkmr7wlsf852
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