Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dmsb.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 21:09:01 UTC · ↺ Refresh
MX Hostnames
- dmsb-de.mail.protection.outlook.com
MX Priorities
- dmsb-de.mail.protection.outlook.com: 0
A / AAAA Records
- 81.173.115.182 ↩ ip81-173-115-182.pbiaas.com
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.comtrance.de domain.comtrance.net 2022111599 28800 7200 604800 300
Primary NS (mname)
ns1.comtrance.de
Admin Email (rname)
domain@comtrance.net
Serial
2022111599
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns2.comtrance.de
ns1.comtrance.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:193.142.191.163/28 ip4:85.215.48.221 ip4:217.160.117.197 ip4:212.132.90.67 ip4:212.132.90.99 ip4:212.227.51.151 ip4:185.219.102.52 ip4:217.160.12.158 include:spf.crsend.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100
⚠ 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: 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- MS=ms38672720
- SPFv=spf1 a mx ip4:193.142.191.163/28 ip4:85.215.48.221 ip4:217.160.117.197 ip4:212.132.90.67 ip4:212.132.90.99 ip4:212.227.51.151 ip4:185.219.102.52 ip4:217.160.12.158 include:spf.crsend.com include:spf.protection.outlook.com -all
- atlassian-domain-verification=tEObYei5kNZjumBoBujMazLfz7fDfvuYiRkCtblnavFFixIm81Ahn79eXgXk9d3s
Full email verification for dmsb.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits