Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
energy-engineers.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-04-01 07:28:13 UTC ยท โบ Refresh
MX Hostnames
- mail.tuev-nord.de
- mail2.tuev-nord.de
MX Priorities
- mail.tuev-nord.de: 10
- mail2.tuev-nord.de: 20
A / AAAA Records
- 185.39.104.87 (no PTR)
Mail Server IPs
- 185.39.104.15 โฉ mail.tuev-nord.de
- 185.39.104.32 โฉ mail2.tuev-nord.de
SOA Record
Raw SOA
pns.dtag.de dns.telekom.de 2026010900 10800 3600 2419200 3600
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
dns@telekom.de
Serial
2026010900
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
pns.dtag.de
ns1.telekom.net
SPF Record
โ Strict (-all)
v=spf1 a mx ip4:217.70.163.82 ip4:217.70.160.139 ip4:185.39.104.38 ip4:185.39.104.33 ip4:185.39.104.32 ip4:185.39.104.15 ip4:185.39.104.9 ip4:185.39.104.10 include:spf.crsend.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:agenturserver.de ip4:185.39.104.29 -all
๐ DNS lookups: 6/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected]
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 2 found
selector1._domainkey
selector2._domainkey
โ Public key: 392 chars (valid)
โ 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- cisco-ci-domain-verification=69cf794fe3d6b6c998d3dd86e7a6aa06f4d020d2352082d1416b6ed546712d97
- MS=ms37424842
- SPFv=spf1 a mx ip4:217.70.163.82 ip4:217.70.160.139 ip4:185.39.104.38 ip4:185.39.104.33 ip4:185.39.104.32 ip4:185.39.104.15 ip4:185.39.104.9 ip4:185.39.104.10 include:spf.crsend.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:agenturserver.de ip4:185.39.104.29 -all
- miro-verification=2253b565e3418b92883ffa4e2b9a9b11bead108a
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for energy-engineers.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits