Domain Overview
DNS: ✓ 23h ago
Checker: ✓ 23h ago
slidelizard.at
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-11-10 14:54:09 UTC · ↺ Refresh
MX Hostnames
- slidelizard-at.mail.protection.outlook.com
MX Priorities
- slidelizard-at.mail.protection.outlook.com: 0
A / AAAA Records
- 45.87.158.7 ↩ url-redirector.inwx.net
Mail Server IPs
- 52.101.185.24 ↩ mail-zrxpr07cu00100.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.181.153 ↩ mail-wa4pr04cu00101.inbound.protection.outlook.com
- 52.101.103.137 ↩ mail-miypr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::8 ↩ mail-zrxpr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca21::c ↩ mail-matpr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca21::10 ↩ mail-matpr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.inwx.de hostmaster.inwx.de 2026100701 10800 3600 604800 3600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2026100701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.inwx.de
ns3.inwx.eu
ns.inwx.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; adkim=r; fo=; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- anthropic-domain-verification-kx1tad=20igAFILS9K5WxPgCyTp9MWxe
- MS=ms73794308
- SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com -all
- google-site-verification=yr7f0_jQdOLL3vFGRRyQxj8rU9VOm5EYWBgtdAVQZDI
- FVO-217-jrx
- atlassian-domain-verification=0Xz32Yyuydc1v2NSaxqNfzTJZqTgFy7nyOug6CaoxUnFhopwvoRb7k31y6hn0VAm
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 · Customize →
See demo & docs
Deep verification
Full email verification for slidelizard.at
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits