Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aertssen.be
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 05:55:38 UTC · ↺ Refresh
MX Hostnames
- aertssen-be.mail.protection.outlook.com
MX Priorities
- aertssen-be.mail.protection.outlook.com: 0
A / AAAA Records
- 185.86.18.110 ↩ 185.86.18.110.hosted.by.stone-is.net
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-07.azure-dns.org
ns4-07.azure-dns.info
ns1-07.azure-dns.com
ns2-07.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.aertssen.be include:spf1.aertssen.be include:spf-de.emailsignatures365.com include:spf.icontroller.eu include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; ruf=mailto:[email protected]; rua=mailto:[email protected]; fo=1; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
11 records- google-site-verification=BbEcxNLAyv36E5bq2dU_1Ndnz4g80727OcDZoKWen-Y
- autodesk-domain-verification=oFhLANdrcH8RYHz3qDFY
- QxKCIKTBivzc0S6ZDpOlfJTvpMiCqZ98
- google-site-verification=Yyk_JMkaxr4byRZYtXGO7PZfjjylzYTojo2hLwqU5Sc
- SPFv=spf1 mx a:mail.aertssen.be include:spf1.aertssen.be include:spf-de.emailsignatures365.com include:spf.icontroller.eu include:spf.protection.outlook.com -all
- atlassian-domain-verification=0C9ruQMVSEz4JSDjgmc//ZR0p5fMthBCj0OnKgben5cwToUp8NJKqUfbOwSZ48hf
- docusign=c871e5e1-9241-4178-8698-344d4ef91340
- adobe-idp-site-verification=afd8cd4d1c2bbbac2efa4513c35c911633a0d259ca734d6113a324f33601a9ad
- facebook-domain-verification=7yox9ypcz1jlqh33wn2xnxktxhm8ik
- sophos-domain-verification=916bbad8823ebfd38d92fbd77611626b68c58401db4fad7234bc6de2a50d5848
- intersight=7a2999cfab244004b99798bb75b8893c71da97f0d1a869a2f8bff71d20ea62e2
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 aertssen.be
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits