Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
acl.at
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-07 00:05:32 UTC · ↺ Refresh
MX Hostnames
- acl-at.mail.protection.outlook.com
MX Priorities
- acl-at.mail.protection.outlook.com: 10
A / AAAA Records
- 195.2.200.73 ↩ www.acl.at
Mail Server IPs
- 52.101.73.145 ↩ mail-am6pr02cu00301.inbound.protection.outlook.com
- 52.101.209.28 ↩ mail-cpjpr05cu00104.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca38::8 ↩ mail-wa4pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca48::12 ↩ mail-miypr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.world4you.at hostmaster.world4you.com 2025031230 10800 3600 604800 3600
Primary NS (mname)
ns1.world4you.at
Admin Email (rname)
hostmaster@world4you.com
Serial
2025031230
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.world4you.at
ns1.world4you.at
SPF Record
✓ Strict (-all)
v=spf1 ip4:195.2.200.94 ip4:195.2.200.95 ip4:195.2.200.96 ip4:195.2.200.97 ip4:195.2.200.98 ip4:195.2.200.132 ip4:195.2.200.153 ip4:195.2.200.163 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- atlassian-sending-domain-verification=e9201463-be99-4b7f-bb7f-0e45270dfbf0
- apple-domain-verification=BGqrBOj4U2Vc5GZG
- SPFv=spf1 ip4:195.2.200.94 ip4:195.2.200.95 ip4:195.2.200.96 ip4:195.2.200.97 ip4:195.2.200.98 ip4:195.2.200.132 ip4:195.2.200.153 ip4:195.2.200.163 include:spf.protection.outlook.com -all
- atlassian-domain-verification=YR2a1667YvCuC5xeU6MMCRrbJNZQi1sjBIf4ropd9rytdOVEAgWIAtPvrDoMHa9B
- miro-verification=9b5d2c0bed198379e2f8d59a1e7c4d118240adf7
- anthropic-domain-verification-s2nmv3=ibOGEbWVzVRiAsdQ84tTb7JJC
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 acl.at
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits