Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
id-cubic.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 17:45:47 UTC · ↺ Refresh
MX Hostnames
- idcubic-de0e.mail.protection.outlook.com
MX Priorities
- idcubic-de0e.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.4.129 (no PTR)
- 172.67.74.108 (no PTR)
- 104.26.5.129
- 2606:4700:20::681a:481
- 2606:4700:20::681a:581
- 2606:4700:20::ac43:4a6c
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
SOA Record
Raw SOA
julissa.ns.cloudflare.com dns.cloudflare.com 2398053222 10000 2400 604800 1800
Primary NS (mname)
julissa.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398053222
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
julissa.ns.cloudflare.com
junade.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:agenturserver.de include:spf.crsend.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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
✓ 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
3 records- MS=ms85669943
- google-site-verification=j8PMJRVuOj3ZRtepgeRZiEYYa1Ns3XxKwyBDPbxM7eo se9lmpc8dac36dbsovqfi72h83
- SPFv=spf1 include:agenturserver.de include:spf.crsend.com include:spf.protection.outlook.com -all
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 id-cubic.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits