an-instrumente.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
an-instrumente.de
Yes
โœ“ Yes
Zoho
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-22 06:14:25 UTC ยท โ†บ Refresh

MX Hostnames

  • mx2.zoho.com
  • mx.zoho.com

MX Priorities

  • mx.zoho.com: 10
  • mx2.zoho.com: 20

A / AAAA Records

  • 162.244.94.35 โ†ฉ metro703.hostmetro.com

Mail Server IPs

  • 136.143.183.44 โ†ฉ mx3.zoho.com
  • 136.143.191.44 โ†ฉ mx.zohomail.com

SOA Record

Raw SOA ns3.hostmetro.com techsupport.hostmetro.com 2026031201 3600 3600 1209600 86400
Primary NS (mname)
ns3.hostmetro.com
Admin Email (rname)
techsupport@hostmetro.com
Serial
2026031201
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3.hostmetro.com
ns4.hostmetro.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 ip4:162.244.94.35 +a +mx +ip4:50.31.160.252 ~all
๐Ÿ“Š DNS lookups: 2/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ“ 1 found
dkim._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: dkim

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

All TXT Records

3 records
  • zoho-verification=zb14795661.zmverify.zoho.com
  • 54A1F57321ADA403B615E25D34F8B360468B78A9
  • SPFv=spf1 ip4:162.244.94.35 +a +mx +ip4:50.31.160.252 ~all
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for an-instrumente.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits