nu-tec.de

Valid Email Server
Domain Lookup › nu-tec.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nu-tec.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 00:47:25 UTC · ↺ Refresh

MX Hostnames

  • mx03.secure-mailgate.com
  • mx04.secure-mailgate.com

MX Priorities

  • mx03.secure-mailgate.com: 10
  • mx04.secure-mailgate.com: 10

A / AAAA Records

  • 185.137.168.149 ↩ host203.checkdomain.de

Mail Server IPs

  • 46.243.88.174 ↩ node03.secure-mailgate.com
  • 46.243.88.176 ↩ node04.secure-mailgate.com
  • 46.243.88.177 ↩ node04.secure-mailgate.com
  • 46.243.88.175 ↩ node03.secure-mailgate.com

SOA Record

Raw SOA ns.checkdomain.de hostmaster.checkdomain.de 2021013101 40000 7200 604800 300
Primary NS (mname)
ns.checkdomain.de
Admin Email (rname)
hostmaster@checkdomain.de
Serial
2021013101
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.checkdomain.de
ns.checkdomain.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:secure-mailgate.com ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 include:secure-mailgate.com ?all
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