Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mvg-mainz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 19:33:46 UTC · ↺ Refresh
MX Hostnames
- mail21.itrm.de
- mail23.itrm.de
MX Priorities
- mail21.itrm.de: 10
- mail23.itrm.de: 10
A / AAAA Records
- 193.25.234.222 ↩ www.Mainzer-Stadtwerke.de
Mail Server IPs
- 193.25.234.21 ↩ mail21.itrm.de
- 193.25.234.23 ↩ mail23.itrm.de
SOA Record
Raw SOA
dns.heag.de dnsadmin.countandcare.de 2025040101 3600 600 3600000 600
Primary NS (mname)
dns.heag.de
Admin Email (rname)
dnsadmin@countandcare.de
Serial
2025040101
Refresh
3600s
Retry
600s
Expire
3600000s
Minimum TTL
600s
Nameservers (NS)
dns.heag.de
a.ns.ecotel.net
dns3.heag.de
dns2.heag.de
c.ns.ecotel.net
b.ns.ecotel.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:193.25.234.0/24 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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 detectedNo 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- 9HX6f2G5TnAKxtNTqo3e1Ly5N6XuJeVkQ1Ewuxh16Sr6ahRvbgH8WqJxm7L10yJ29QX5whjPVnKnV09eDvOhTg==
- MS=ms90307006
- SPFv=spf1 ip4:193.25.234.0/24 include:spf.protection.outlook.com -all
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