Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alvero.nl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 03:11:25 UTC · ↺ Refresh
MX Hostnames
- alvero-nl.mail.protection.outlook.com
MX Priorities
- alvero-nl.mail.protection.outlook.com: 0
A / AAAA Records
- 188.208.37.109 ↩ 188.208.37.109.static.hosted.by.combell-ops.net
- 2a00:1c98:1000:12d2::3:f8e1:d34a (no PTR)
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.european-server.eu hostmaster.alvero.nl 1766052911 10800 3600 604800 40000
Primary NS (mname)
ns1.european-server.eu
Admin Email (rname)
hostmaster@alvero.nl
Serial
1766052911
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
40000s
Nameservers (NS)
ns1.european-server.eu
ns4.european-server.com
ns3.european-server.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:149.210.180.9 ip4:193.138.248.220 ip4:92.64.100.1 ip4:87.215.63.14 include:_spf.cash.nl include:hosting._spf.multimedium.be include:spf.protection.outlook.com include:spf.flowmailer.net include:spf.eu.exclaimer.net include:hosting._spf.multimedium.be -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; ruf=mailto:[email protected]; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 mx a ip4:149.210.180.9 ip4:193.138.248.220 ip4:92.64.100.1 ip4:87.215.63.14 include:_spf.cash.nl include:hosting._spf.multimedium.be include:spf.protection.outlook.com include:spf.flowmailer.net include:spf.eu.exclaimer.net include:hosting._spf.multimedium.be -all
- google-site-verification=8zuXstjyZibHNYHXdwi7TqVftGM9Ewj-nASr2-RUro8
- google-site-verification=-OGrWusG5fQvNuMi3v6bmsiKbaibbwPFxU28fv9toKs
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 alvero.nl
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits