Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
thuega-energie.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 16:17:31 UTC · ↺ Refresh
MX Hostnames
- thuegaenergie-de01e.mail.protection.outlook.com
MX Priorities
- thuegaenergie-de01e.mail.protection.outlook.com: 10
A / AAAA Records
- 172.67.136.130 (no PTR)
- 104.21.26.145 (no PTR)
- 2606:4700:3033::ac43:8882
- 2606:4700:3030::6815:1a91
Mail Server IPs
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
arvind.ns.cloudflare.com dns.cloudflare.com 2400605530 10000 2400 604800 1800
Primary NS (mname)
arvind.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400605530
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
arvind.ns.cloudflare.com
tina.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:sendgrid.net include:_spf.salesforce.com include:_spf.smartservice.de include:mail1.meteringservice.de include:rm01.thuega-energie.de -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
4 records- apple-domain-verification=4tthZFRNLldBdEJp
- ms-domain-verification=0656efde-039f-43bc-a39e-2ef710177eae
- SPFv=spf1 mx include:spf.protection.outlook.com include:sendgrid.net include:_spf.salesforce.com include:_spf.smartservice.de include:mail1.meteringservice.de include:rm01.thuega-energie.de -all
- MS=88D8A672A08266B268E7ACA5F4325FE65C6DA741
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 thuega-energie.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits