alfahosting.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
alfahosting.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-25 03:13:40 UTC ยท โ†บ 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

  • 109.237.142.17 โ†ฉ alfahosting.de

Mail Server IPs

  • 46.243.88.176 โ†ฉ node04.secure-mailgate.com
  • 46.243.88.174 โ†ฉ node03.secure-mailgate.com
  • 46.243.88.175 โ†ฉ node03.secure-mailgate.com
  • 46.243.88.177 โ†ฉ node04.secure-mailgate.com

SOA Record

Raw SOA cns1.alfahosting.info hostmaster.alfahosting.de 2026031206 28800 7200 604800 86400
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster@alfahosting.de
Serial
2026031206
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

cns3.alfahosting.info
cns1.alfahosting.info
cns2.alfahosting.info

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:secure-mailgate.com include:one.zoho.eu include:mail.zendesk.com include:spf.nl2go.com include:eu.zcsend.net a:smtpud01.udag.de a:smtpud02.udag.de ip4:109.237.142.13 ip4:109.237.142.29 -all
๐Ÿ“Š DNS lookups: 8/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1;p=none;sp=none;pct=100;aspf=s;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=s
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected]
โ†ณ Subdomain policy: none

DKIM Selectors

โœ“ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

13 records
  • google-site-verification=-_BDHkJKBIm1it6ozOIqUOOMt0RVp3UfGgb6DIN6dFo
  • ZOOM_verify_qESIL1mDTk2HF_QZ377dbw
  • slack-domain-verification=W5IAc5269afTw5gy7SyP6rh6OizvWZ0a5sLjlgko
  • teamviewer-sso-verification=6549e464d0b8423fa1f222bb79ddbb59
  • mixpanel-domain-verify=eaffae86-6d9c-4d8e-a719-1fdc9ba840e8
  • apple-domain-verification=THEeSfxXCNTeNvSZ
  • SPFv=spf1 include:spf.protection.outlook.com include:secure-mailgate.com include:one.zoho.eu include:mail.zendesk.com include:spf.nl2go.com include:eu.zcsend.net a:smtpud01.udag.de a:smtpud02.udag.de ip4:109.237.142.13 ip4:109.237.142.29 -all
  • docker-verification=97145d14-c5aa-448c-af39-61282b6bcc37
  • atlassian-domain-verification=KKeihQSanTHe0l1pqlAF48oghg9rSqxhRZakMd/Gq8e8xTF/maaW2agw60HZU5va
  • MS=ms15469279
  • google-site-verification=Be_YqmycF5oH7Dq0rQwkAYF05CHFaq2sRoQfw2Fjsok
  • brevo-code:b8cdecc15d764d43e08db834aeddb696
  • google-site-verification=ZSheVBxBKudHQzQfbvik3M9ebZFQazcI3GqW1b0Mc-Y
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 alfahosting.de

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

No credit card required
Get 1,000 Free Credits