gsi-slv.de

Valid Email Server
Domain Lookup › gsi-slv.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gsi-slv.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 18:02:44 UTC · ↺ Refresh

MX Hostnames

  • gsislv-de0i.mail.protection.outlook.com

MX Priorities

  • gsislv-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 51.77.73.11 ↩ cmf.gsi-slv.de

Mail Server IPs

  • 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
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.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

SOA Record

Raw SOA slv1.slv-duisburg.de webmaster.slv-duisburg.de 2026020514 3600 3600 604800 86400
Primary NS (mname)
slv1.slv-duisburg.de
Admin Email (rname)
webmaster@slv-duisburg.de
Serial
2026020514
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns-1.dfn.de
slv1.slv-duisburg.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:195.37.113.6 ip4:195.37.113.13 ip4:213.61.77.98 ip4:145.253.143.70 ip4:51.77.73.8 a:portal.iqsuite.com include:spf.protection.outlook.com include:spf.crsend.com include:006.frnl.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

7 records
  • SPFv=spf1 mx ip4:195.37.113.6 ip4:195.37.113.13 ip4:213.61.77.98 ip4:145.253.143.70 ip4:51.77.73.8 a:portal.iqsuite.com include:spf.protection.outlook.com include:spf.crsend.com include:006.frnl.de -all
  • MS=ms83613388
  • BPL=6721963
  • D-TRUST=MGZ3PI67ROA2HXA3WANP2KH
  • apple-domain-verification=pHHXa2DPxhs1fKZv
  • sophos-domain-verification=14fc39e242b79a3a125c34dd7f4bb7cce4936425
  • google-site-verification=VpsXhOjRtivVW9w766i21HTJ1IAd1YyP4Y-4yLMeQk0
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