Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
asd-schaefer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 08:29:32 UTC · ↺ Refresh
MX Hostnames
- host3.city-pc.de
MX Priorities
- host3.city-pc.de: 10
A / AAAA Records
- 185.232.70.148 ↩ cloud.ad-central.de
Mail Server IPs
- 212.3.79.90 ↩ host3.city-pc.de
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2023100903 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2023100903
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.net
ns.udag.de
ns.udag.org
SPF Record
✓ Strict (-all)
v=spf1 a mx a:hostb.city-pc.de a:mail3.city-pc.de ip4:212.3.79.90 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo 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
1 record- SPFv=spf1 a mx a:hostb.city-pc.de a:mail3.city-pc.de ip4:212.3.79.90 -all
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