Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
doctena.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 18:40:19 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 104.18.26.247
- 104.18.27.247
- 2606:4700::6812:1af7
- 2606:4700::6812:1bf7
Mail Server IPs
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 64.233.178.26 ↩ ol-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
eve.ns.cloudflare.com dns.cloudflare.com 2399640768 10000 2400 604800 1800
Primary NS (mname)
eve.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399640768
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
fred.ns.cloudflare.com
eve.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:mail.zendesk.com include:spf.mtasv.net include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=Tj-GfJK7HszIfH3Z5EkE65sXAi-DOLIDDhjGTPjBmHw
- google-site-verification=XiYEQn3q3vv-CxM9A7DdFaW29BD7dS2XNUB9JJ7ecM8
- google-site-verification=_4IDVOtNT_bm0MqGGT8iagoPxdE_D1T6IKRE16ZLzYU
- SPFv=spf1 include:mail.zendesk.com include:spf.mtasv.net include:_spf.google.com -all
- ca3-51058e6723e74d6fae8ea3e4fb6cb575
Full email verification for doctena.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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