Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
realisag.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 19:59:01 UTC · ↺ Refresh
MX Hostnames
- realisag-de.mail.protection.outlook.com
MX Priorities
- realisag-de.mail.protection.outlook.com: 10
A / AAAA Records
- 217.110.210.118 ↩ ad96ed276.dsl.de.colt.net
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.m-online.net admin.realisag.de 2024012733 86400 7200 3888000 3600
Primary NS (mname)
ns1.m-online.net
Admin Email (rname)
admin@realisag.de
Serial
2024012733
Refresh
86400s
Retry
7200s
Expire
3888000s
Minimum TTL
3600s
Nameservers (NS)
ns2.m-online.net
ns1.m-online.net
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:217.110.196.218 ip4:217.110.210.19 ip4:194.97.151.173 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
8 records- MS=ms78397325
- docusign=34e3ceb3-1dbf-4fdf-a0a4-4833be89498f
- swisssign-check=arciZP7tujirP937Vyo1kDwGXJ8
- adobe-idp-site-verification=09d5e9c70f933a1d35e9ed03a2919e7ab8f2a779d244e5225ffa5eb836933ed4
- logmein-verification-code=058ba805-3819-4c1e-b16c-fd02791483b1
- adobe-idp-site-verification=7f90187d9a09b9d6131b318725bf0dc3d27b0737767d213ac206546508bd56a8
- docusign=271f6eef-cb3c-4b2b-b64d-12e3a5c8e76a
- SPFv=spf1 mx a ip4:217.110.196.218 ip4:217.110.210.19 ip4:194.97.151.173 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 realisag.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits