alsterarbeit.de

Valid Email Server
Domain Lookup › alsterarbeit.de

Domain Overview

DNS: ✓ 20h ago Checker: ✓ 20h ago
alsterarbeit.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 21:14:14 UTC · ↺ Refresh

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MX Hostnames

  • mx02.alsterdorf.de
  • mx01.alsterdorf.de

MX Priorities

  • mx01.alsterdorf.de: 15
  • mx02.alsterdorf.de: 15

A / AAAA Records

  • 213.128.155.107 ↩ server4.alsterdorf.iphh.net
  • 2001:868:100:1900::107 ↩ server4.alsterdorf.iphh.net

Mail Server IPs

  • 46.254.120.22 ↩ mx01.alsterdorf.de
  • 46.254.120.21 ↩ mx02.alsterdorf.de

SOA Record

Raw SOA ns1.iphh.de hostmaster.iphh.net 2026042901 43200 7200 2419200 7200
Primary NS (mname)
ns1.iphh.de
Admin Email (rname)
hostmaster@iphh.net
Serial
2026042901
Refresh
43200s
Retry
7200s
Expire
2419200s
Minimum TTL
7200s

Nameservers (NS)

ns1.iphh.de
ns2.iphh.de
ns3.iphh.net

SPF Record

✓ Strict (-all)
v=spf1 a:mx1.alsterdorf.de a:smtprelay.alsterdorf.de a:mx01.alsterdorf.de a:mx02.alsterdorf.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

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

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

All TXT Records

5 records
  • dell-technologies-domain-verification=alsterarbeit.de_22105877-0d35-4eb7-b811-9f146bf71b00_1718527536
  • swisssign-check=8lloa5_eEsXlk1BzmIZEjovxuQU
  • MS=ms42992041
  • SPFv=spf1 a:mx1.alsterdorf.de a:smtprelay.alsterdorf.de a:mx01.alsterdorf.de a:mx02.alsterdorf.de include:spf.protection.outlook.com -all
  • MS=35D5B9E99AE91454C0268B4FEBCD62E460C94D51
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