Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnmedizinzentrum.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 09:29:09 UTC · ↺ Refresh
MX Hostnames
- de401.formality.de
- zahnmedizinzentrum.com
- mail.zahnmedizinzentrum.com
MX Priorities
- mail.zahnmedizinzentrum.com: 20
- zahnmedizinzentrum.com: 10
- de401.formality.de: 30
A / AAAA Records
- 144.76.151.120 ↩ s401.formality.de
Mail Server IPs
- 144.76.151.120 ↩ s401.formality.de
- 88.99.4.28 ↩ de401.formality.de
- 2a01:4f8:173:2b1b::2 ↩ de401.formality.de
SOA Record
Raw SOA
ns1a.dodns.net hostmaster.formality.de 2024120308 86400 7200 3600000 172800
Primary NS (mname)
ns1a.dodns.net
Admin Email (rname)
hostmaster@formality.de
Serial
2024120308
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
172800s
Nameservers (NS)
ns2a.dodns.net
ns1a.dodns.net
SPF Record
✓ Strict (-all)
v=spf1 a mx +ip4:88.99.4.28 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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- yandex-verification: 4d6b863efa0181d2
- google-site-verification=CZNTHs3uaP94MBVwOmzzPeJI8MaMuXBcVu95-Sc_KYQ
- yahoo-verification-key=hBmyR3yV8smbyFJNAo0y4xuaE2eyZqhKbdwV+O4rd/Y=
- yandex-verification: 63cf64218d503450
- SPFv=spf1 a mx +ip4:88.99.4.28 -all
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