Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hwk-saarland.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 03:26:56 UTC · ↺ Refresh
MX Hostnames
- hwk.in.tmes.trendmicro.eu
MX Priorities
- hwk.in.tmes.trendmicro.eu: 10
A / AAAA Records
- 185.233.55.110 ↩ r31119.agenturserver.it
Mail Server IPs
- 18.185.115.147 ↩ in.tmes.trendmicro.eu
- 18.185.115.146 ↩ in.tmes.trendmicro.eu
- 18.185.115.145 ↩ in.tmes.trendmicro.eu
SOA Record
Raw SOA
ns1.domaindiscount24.net tech.key-systems.net 2026010901 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026010901
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns2.domaindiscount24.net
ns1.domaindiscount24.net
ns3.domaindiscount24.net
SPF Record
✓ Strict (-all)
v=spf1 a mx a:mail.hwk.saarland.de include:spf.tmes.trendmicro.com include:spf.protection.outlook.com include:spf.owl-it.de -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ 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
6 records- MS=ms95141241
- SPFv=spf1 a mx a:mail.hwk.saarland.de include:spf.tmes.trendmicro.com include:spf.protection.outlook.com include:spf.owl-it.de -all
- brevo-code:a8f4892736db1812430dd255c1d73328
- tmes=40ed8af627d1221cae7ac42f695430a3
- apple-domain-verification=9Qu0VM0fZvc5dFJ0
- google-site-verification=j2t6V3LoQ_1cZelplCyR8VCsoxiDKWvmBIRcK_qBzms
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 hwk-saarland.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits