Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tfg-gruppe.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 18:41:01 UTC · ↺ Refresh
MX Hostnames
- tfggruppe-de0i.mail.protection.outlook.com
MX Priorities
- tfggruppe-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 20.74.42.30 (no PTR)
- 20.74.41.190 (no PTR)
- 20.74.41.218
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.europe.adacor.net hostmaster.adacor.net 2026021003 10000 1800 604800 3600
Primary NS (mname)
ns.europe.adacor.net
Admin Email (rname)
hostmaster@adacor.net
Serial
2026021003
Refresh
10000s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.europe.adacor.net
ns.global.adacor.net
ns5.adacor.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:185.111.169.10 ip4:185.111.169.12 ip4:185.111.169.29 ip4:185.111.170.23 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;aspf=r;adkim=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
5 records- SPFv=spf1 mx ip4:185.111.169.10 ip4:185.111.169.12 ip4:185.111.169.29 ip4:185.111.170.23 include:spf.protection.outlook.com -all
- MS=ms74943895
- d365mktkey=AIqTjxggq40ZttJc9aEr6aC9xyQvNNaus2Yc0hmdKxMx
- teamviewer-sso-verification=3c184c4467304db6bcd25759d72d74e9
- atlassian-domain-verification=gPCnnB52yg5Z2UXYRLtQbRVzaW9fc6fyhkysvJs0NoXaARFnS8ExZzuJ7REKwrx2
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 tfg-gruppe.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits