nguyenminhduc.de

Valid Email Server
Domain Lookup › nguyenminhduc.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nguyenminhduc.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 13:25:09 UTC · ↺ Refresh

MX Hostnames

  • mail.nguyenminhduc.de
  • mailsec.protonmail.ch
  • mail.protonmail.ch

MX Priorities

  • mail.nguyenminhduc.de: 1000
  • mail.protonmail.ch: 10
  • mailsec.protonmail.ch: 20

A / AAAA Records

  • 151.101.1.195 (no PTR)
  • 151.101.65.195 (no PTR)

Mail Server IPs

  • 195.30.84.61 ↩ cp61.sp-server.net
  • 2001:608:e00:72::61:0 (no PTR)
  • 185.70.42.128 ↩ mail.protonmail.ch
  • 185.205.70.128 ↩ mail.protonmail.ch
  • 176.119.200.128 ↩ mail.protonmail.ch
  • 185.205.70.129 ↩ mailsec.protonmail.ch
  • 176.119.200.129 ↩ mailsec.protonmail.ch
  • 185.70.42.129 ↩ mailsec.protonmail.ch

SOA Record

Raw SOA ns5.ns35.de support.serverprofis.net 2026022403 3600 1800 1209600 86400
Primary NS (mname)
ns5.ns35.de
Admin Email (rname)
support@serverprofis.net
Serial
2026022403
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns5.ns35.de
ns7.ns35.de
ns6.ns35.de
ns8.ns35.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.protonmail.ch ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

3 records
  • protonmail-verification=847dc515f748c06c3e6deec4b251fabc9f9e7496
  • SPFv=spf1 include:_spf.protonmail.ch ~all
  • google-site-verification=O_u8IHdsk9o8XdZTFN_wpuf1DSN1LW8Q50vr36skJvE
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