Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
synaxon.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 03:53:26 UTC · ↺ Refresh
MX Hostnames
- ASPMX.L.GOOGLE.COM
- ALT3.ASPMX.L.GOOGLE.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ALT4.ASPMX.L.GOOGLE.COM
- ALT1.ASPMX.L.GOOGLE.COM
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 52.29.0.66
- 18.192.141.161
- 2a05:d024:83:802f:1884:80ed:91c:e276
- 2a05:d024:83:8012:53b6:1fee:def9:3402
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
dns1.cloudns.net support.cloudns.net 2026032806 7200 1800 1209600 3600
Primary NS (mname)
dns1.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026032806
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns1.cloudns.net
dns5.cloudns.net
dns6.cloudns.net
dns2.cloudns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:amazonses.com include:spf.crsend.com include:_spf.remote.management ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; sp=none; aspf=r; adkim=r; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
google._domainkey
mail._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
9 records- apple-domain-verification=14e8peY0EtMjHiKG
- atlassian-domain-verification=HmiM7AAIj2SY3xhdUe7Ub7lb8XHeLbGfCj7ds67gOXjbD1z/R0VbhdNlu6cj8NwG
- SPFv=spf1 include:_spf.google.com include:amazonses.com include:spf.crsend.com include:_spf.remote.management ~all
- google-site-verification=-UzxBLmhXbT3AwfGIxzALzVFWHZgszYr6ofKqVPjap8
- MS=ms90722210
- google-site-verification=PccFEFJltwC4tWrT80OB0Sh1gvrrMjGneV6stdy5byo
- atlassian-domain-verification=x58ujXHakc1dPceLjoXlaFL8rE3IZa8v7OkI8S2tGgYHfBibV2IjbkwOPOAgJacR
- atlassian-sending-domain-verification=daf20acb-f83d-44b7-baae-798023b6492d
- google-site-verification=KyoHOr5rc5E9Z7VU5h4ftE-QN21uQeXVD0i5VSZZCr0
Full email verification for synaxon.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits