imstec.de

Valid Email Server
Domain Lookup › imstec.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
imstec.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 12:53:19 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • imstec-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.132 ↩ 217-160-0-132.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1090.ui-dns.com hostmaster.1und1.de 2017042789 28800 7200 604800 300
Primary NS (mname)
ns1090.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017042789
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1090.ui-dns.de
ns1090.ui-dns.biz
ns1090.ui-dns.org
ns1090.ui-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:212.90.157.162 ~all
📊 DNS lookups: 1/10
~ 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

3 records
  • v=verifydomain MS=5563756
  • SPFv=spf1 include:spf.protection.outlook.com ip4:212.90.157.162 ~all
  • google-site-verification=MOqxkTYbaTx-7Tkka_fBwmKijp4O6DA_afIs9J_h6eY
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