Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
saegeling-mt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 13:24:12 UTC · ↺ Refresh
MX Hostnames
- mx1.mas.t-systems-service.com
- mx3.mas.t-systems-service.com
- mx2.mas.t-systems-service.com
MX Priorities
- mx1.mas.t-systems-service.com: 10
- mx3.mas.t-systems-service.com: 30
- mx2.mas.t-systems-service.com: 20
A / AAAA Records
- 85.13.144.11 ↩ dd28124.kasserver.com
Mail Server IPs
- 46.29.101.2 ↩ muc-mta02.mas.t-systems-service.com
- 46.29.101.1 ↩ muc-mta01.mas.t-systems-service.com
- 217.150.155.12 ↩ mgb-mta02.mas.t-systems-service.com
- 217.150.155.10 ↩ mgb-mta01.mas.t-systems-service.com
- 94.100.254.155 ↩ ffm-mta01.mas.t-systems-service.com
SOA Record
Raw SOA
ns0.isd-internet.de domain.isd-internet.de 2026012901 28800 3600 604800 3600
Primary NS (mname)
ns0.isd-internet.de
Admin Email (rname)
domain@isd-internet.de
Serial
2026012901
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns20.isd-internet.de
ns0.isd-internet.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:217.18.190.4 ip4:217.22.192.164 ip4:217.18.190.5 ip4:217.18.191.31 ip4:217.18.191.36 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=8CEC03872262653F6C2DADE8E6C7CC1136CE2C32
- cisco-ci-domain-verification=243169c347bfc871cc6aabd1e11ea4d37c3d73b70b5bbd5506bbcd6fe11748a5
- SPFv=spf1 a mx ip4:217.18.190.4 ip4:217.22.192.164 ip4:217.18.190.5 ip4:217.18.191.31 ip4:217.18.191.36 include:spf.protection.outlook.com -all
- MS=ms40495351
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