Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clostermann-jasper.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 06:29:11 UTC · ↺ Refresh
MX Hostnames
- clostermannjasper-de02i.mail.protection.outlook.com
MX Priorities
- clostermannjasper-de02i.mail.protection.outlook.com: 0
A / AAAA Records
- 88.198.28.10 ↩ www140.your-server.de
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ 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::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026011300 14400 1800 604800 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026011300
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:178.15.175.192/28 ip4:178.15.175.197/28 include:spf.protection.outlook.com include:mxout-spf.saasweb.net include:servers.mcsv.net include:spf.dbc-gruppe.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; sp=none; aspf=r; adkim=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
4 records- MS=ms23093347
- facebook-domain-verification=7svrh2ahurpejul2ioojb3wi6nofzm
- google-site-verification=BHPnXqCX4uiu1ce2pYLl6HZmkPNP1OsNf3q9bTwCay8
- SPFv=spf1 mx ip4:178.15.175.192/28 ip4:178.15.175.197/28 include:spf.protection.outlook.com include:mxout-spf.saasweb.net include:servers.mcsv.net include:spf.dbc-gruppe.de -all
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