seven2one.de

Valid Email Server
Domain Lookup › seven2one.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
seven2one.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 06:01:36 UTC · ↺ Refresh

MX Hostnames

  • seven2one-de.mail.protection.outlook.com

MX Priorities

  • seven2one-de.mail.protection.outlook.com: 1

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1056.ui-dns.de hostmaster.1und1.de 2017052508 28800 7200 604800 300
Primary NS (mname)
ns1056.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017052508
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1056.ui-dns.biz
ns1056.ui-dns.com
ns1056.ui-dns.org
ns1056.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:217.160.0.152 include:_spf.mlsend.com include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

8 records
  • atlassian-domain-verification=ERhadlvDIsKChAmi3zC3NWuUpnybXTuaAfWQ4PH5AHxvamYw5Pssz0Fu0ai/hsuP
  • MS=ms43672182
  • google-site-verification=AxL_e1c9LXyzDok3DjIBOuT7Jjc2exqS2b-KA_xDsXg
  • atlassian-domain-verification=Qevx0rHekKiQUHTBgFtmI5B0TzrgKSRzXJXHZY8wQ61reNDEkrJFq5nfwwOFeREB
  • miro-verification=aedb1c8a674a18fd63a2cd0ab7ed70c81c9fe6fd
  • SPFv=spf1 ip4:217.160.0.152 include:_spf.mlsend.com include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
  • atlassian-domain-verification=a1qzfInHnT1xhjFHvEiINt/DiB5d0tMurLWt6GcyrUR8fqlfRfF/UXaIBLPknuk3
  • atlassian-sending-domain-verification=d552f14e-699d-4a66-92b0-4bf3115945db
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