spiekermann-ag.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
spiekermann-ag.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 05:04:29 UTC · ↺ Refresh

MX Hostnames

  • spiekermannag-de02i.mail.protection.outlook.com

MX Priorities

  • spiekermannag-de02i.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.111 ↩ 217-160-0-111.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2de ↩ 2001-08d8-100f-f000-0000-0000-0000-02de.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1098.ui-dns.biz hostmaster.schlund.de 2017040703 28800 7200 604800 300
Primary NS (mname)
ns1098.ui-dns.biz
Admin Email (rname)
hostmaster@schlund.de
Serial
2017040703
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1098.ui-dns.org
ns1098.ui-dns.biz
ns1098.ui-dns.com
ns1098.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com include:_spf-eu.ionos.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

6 records
  • google-site-verification=Cc5MQOc0d_P88Uo8LCxI00RI2om0ZTST5A9x8Zo5lMU
  • google-site-verification=GVVwBzbi8ahtsHXtrlj8y3KROxqdTxomfNx-b9QweYY
  • google-site-verification=8jVag0fx8UmO0iHXq-buFojG0jWJHPikWwF2tOQ6NZ0
  • brevo-code:2c3db67692be77f0e66196d445cbc4f8
  • MS=ms32395799
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com include:_spf-eu.ionos.com ~all
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