Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
erstensmertens.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 22:53:10 UTC · ↺ Refresh
MX Hostnames
- r11.hallo.cloud
MX Priorities
- r11.hallo.cloud: 10
A / AAAA Records
- 81.209.248.201 ↩ r11.hallo.cloud
- 2001:7f0:3000:512::548:201 ↩ r11.hallo.cloud
Mail Server IPs
- 81.209.248.201 ↩ r11.hallo.cloud
- 2001:7f0:3000:512::548:201 ↩ r11.hallo.cloud
SOA Record
Raw SOA
ns26.ns26.de noreply.erstensmertens.de 2026020901 10800 3600 604800 10800
Primary NS (mname)
ns26.ns26.de
Admin Email (rname)
noreply@erstensmertens.de
Serial
2026020901
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns27.ns27.de
ns26.ns26.de
ns28.ns28.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:r11.hallo.cloud include:_spf.r11.hallo.cloud -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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
3 records- SPFv=spf1 +a +mx +a:r11.hallo.cloud include:_spf.r11.hallo.cloud -all
- google-site-verification=AUF3ZxaDtXB1dXJjwS6kvUXTUP0_ZV46Uc8z-OxqPIk
- MS=C23DFE11CA85DA546B5E00B92D07A831926732C9
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