Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nutech.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 00:01:26 UTC · ↺ Refresh
MX Hostnames
- nutech-de.mail.protection.outlook.com
MX Priorities
- nutech-de.mail.protection.outlook.com: 20
A / AAAA Records
- 185.175.196.0 (no PTR)
- 2a00:1c98:60:1011::74a:bf70 (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
1.ns-ebiz.de hostmaster.internetwire.de 2024072901 86400 7200 3600000 3600
Primary NS (mname)
1.ns-ebiz.de
Admin Email (rname)
hostmaster@internetwire.de
Serial
2024072901
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
3.ns-ebiz.de
4.ns-ebiz.de
2.ns-ebiz.de
1.ns-ebiz.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com include:_spf.boxes-mail.raidboxes.io ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject; ruf=mailto:[email protected];rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- SPFv=spf1 a mx include:spf.protection.outlook.com include:_spf.boxes-mail.raidboxes.io ~all
- MS=ms51154995
Full email verification for nutech.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits