i-unit.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
i-unit.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-04-01 00:40:40 UTC ยท โ†บ Refresh

MX Hostnames

  • mail.i-unit.de

MX Priorities

  • mail.i-unit.de: 10

A / AAAA Records

  • 79.133.58.5 โ†ฉ kali01.i-data.de

Mail Server IPs

  • 79.133.58.3 โ†ฉ mta-1.cit-net.de

SOA Record

Raw SOA a.23m.com hostmaster.internetwire.de 2026021201 28800 7200 604800 86400
Primary NS (mname)
a.23m.com
Admin Email (rname)
hostmaster@internetwire.de
Serial
2026021201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

b.23m.com
c.23m.com
a.23m.com
d.23m.com

SPF Record

โœ“ Strict (-all)
v=spf1 mx ip4:79.133.58.0/28 ip4:87.193.192.130 ip6:2a01:7e0:0:264::10 -all
๐Ÿ“Š DNS lookups: 1/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;sp=none;pct=100;ri=86400;rua=mailto:[email protected]
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: none

DKIM Selectors

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

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

All TXT Records

4 records
  • cisco-ci-domain-verification=1deb342f099fa5a977607eed4ae13b4bc07bd291909e7bc20ffa4aca8ea39a1c
  • MS=ms61265457
  • SPFv=spf1 mx ip4:79.133.58.0/28 ip4:87.193.192.130 ip6:2a01:7e0:0:264::10 -all
  • apple-domain-verification=5Nn8gUK0Q3hdQz77
Full email verification for i-unit.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits