Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
institutorobertbosch.org.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 15:46:00 UTC · ↺ Refresh
MX Hostnames
- institutorobertbosch-org-br.mail.protection.outlook.com
MX Priorities
- institutorobertbosch-org-br.mail.protection.outlook.com: 10
A / AAAA Records
- 4.228.111.23 (no PTR)
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
gwa.fe.bosch.de hostmaster.bosch.de 2013061166 86400 7200 3600000 86400
Primary NS (mname)
gwa.fe.bosch.de
Admin Email (rname)
hostmaster@bosch.de
Serial
2013061166
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
gwa2.fe.bosch.de
gwa.fe.bosch.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.bosch.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; aspf=s; adkim=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- xrNK8kZg1+LXQBo59Shjdc/sYZbgbqjP+DyWILhlfxxCElZHdCWwmrZNi0c8u06XtSa6kH+TVHp2DyJvwqiDfA==
- t4g2jzqD87l8WrurJ4wWQ4tiE0eYxZ2JpdX7fMCtSHNo2rnHReHmpeogRkSvrEew1vDsfilKT9xQao5AtSGHdA==
- _n5iat2qvfnrtkpv7namqvd26hcnmkqc
- apple-domain-verification=jo7z7EZtLpPaEhk9
- 8lvw1yz9j3mhf5yhrwpplv6h471q92ph
- miro-verification=95bb46ca27717c388e091411d7fe643e3a3d2b3d
- google-site-verification=yhOVUDOV5ip5w3er7W9wD1uCck6YcRx_24z-dwOI-10
- SPFv=spf1 include:_spf.bosch.de -all
- MS=ms17940232
- adobe-idp-site-verification=e13fd7b27a30ca44261bc7ad3f0b2e0994b724830fe8afc38a6565a40d81bde4
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for institutorobertbosch.org.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits