heuver.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
heuver.de
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-26 18:28:57 UTC ยท โ†บ Refresh

MX Hostnames

  • heuver-de.mail.protection.outlook.com

MX Priorities

  • heuver-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 20.47.115.95 (no PTR)
  • 2001:67c:28fc:195:20:9:121:: โ†ฉ adhara.eatserver.nl

Mail Server IPs

  • 52.101.73.153 โ†ฉ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.21 โ†ฉ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.22 โ†ฉ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.30 โ†ฉ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 โ†ฉ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 โ†ฉ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e โ†ฉ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 โ†ฉ mail-am0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA ns-365.awsdns-45.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-365.awsdns-45.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-887.awsdns-46.net
ns-1117.awsdns-11.org
ns-1816.awsdns-35.co.uk
ns-365.awsdns-45.com

SPF Record

โœ“ Strict (-all)
v=spf1 a mx ip4:87.250.153.145 ip6:2a02:f18:1:9901:87:250:153:145 ip4:87.250.153.144 ip6:2a02:f18:1:9901:87:250:153:144 ip4:50.16.187.78 ip4:195.74.87.115 include:aspmx.pardot.com include:spf.protection.outlook.com -all
๐Ÿ“Š DNS lookups: 4/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 392 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

5 records
  • k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGoQCNwAQdJBy23MrShs1EuHqK/dtDC33QrTqgWd9CJmtM3CK2ZiTYugkhcxnkEtGbzg+IJqcDRNkZHyoRezTf6QbinBB2dbyANEuwKI5DVRBFowQOj9zvM3IvxAEboMlb0szUjAoML94HOkKuGuCkdZ1gbVEi3GcVwrIQphal1QIDAQAB;
  • pardot_319101_*=3fb1c6ad5ddcdeacaf6a4a517a23d028458f3318f26f3cdf783481861ad5fe07
  • SPFv=spf1 a mx ip4:87.250.153.145 ip6:2a02:f18:1:9901:87:250:153:145 ip4:87.250.153.144 ip6:2a02:f18:1:9901:87:250:153:144 ip4:50.16.187.78 ip4:195.74.87.115 include:aspmx.pardot.com include:spf.protection.outlook.com -all
  • MS=ms52120889
  • google-site-verification=Ngwrr-soR9av2ddM7b3AntzlGkRnwWxWaOUHb4K19Rg
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 heuver.de

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

No credit card required
Get 1,000 Free Credits