Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sbg.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 14:44:54 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 0
A / AAAA Records
- 192.214.174.24 (no PTR)
Mail Server IPs
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
- 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
SOA Record
Raw SOA
ns.do-ex.com support.domainexperten.de 2025111703 86400 7200 3600000 172800
Primary NS (mname)
ns.do-ex.com
Admin Email (rname)
support@domainexperten.de
Serial
2025111703
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
172800s
Nameservers (NS)
ns.do-ex.org
ns.do-ex.com
ns.do-ex.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spfg.mail.schwarz -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._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
7 records- adobe-idp-site-verification=180da7a190fa4e0d92b513ceb07c05737d8dc50f521fcfd82319bd6a52116153
- google-site-verification=0Y9i6e-DkNpLCnLhLfV_8tg94aN4cRilmiqF8wweoT8
- swisssign-check=D0vkDZOXj8YxPr0MLY_ep3ciulM
- onetrust-domain-verification=681e577416ae4ada97c17fb9558574b4
- onetrust-domain-verification=a707cee43b90430d90c939ac635589be
- SPFv=spf1 include:_spfg.mail.schwarz -all
- adobe-sign-verification=9b971b4430a524bb9ef5b9db2dc1d128
Full email verification for sbg.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits