Domain Overview
DNS: ✓ 9d ago
Checker: ✓ 9d ago
2b-advice.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-01 02:21:29 UTC · ↺ Refresh
MX Hostnames
- 2badvice-com0e.mail.protection.outlook.com
MX Priorities
- 2badvice-com0e.mail.protection.outlook.com: 0
A / AAAA Records
- 136.243.190.240 ↩ static.240.190.243.136.clients.your-server.de
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.intersaar.de dm.mattheus.de 2025042301 10800 3600 1209600 10800
Primary NS (mname)
ns3.intersaar.de
Admin Email (rname)
dm@mattheus.de
Serial
2025042301
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns2.intersaar.de
ns1.intersaar.de
ns3.intersaar.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:mx1.2b-advice.com include:spf.sendinblue.com mx -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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=ms36391899
- Sendinblue-code:1ff7312525e79ebf8910939920a4568e
- JJoXvue4ZcvVd9lEsfVWkOXzAINeUs2z9LjgJ+WWbgOjDj81XD5VJvFOySRUDyJ9SRAGO5hJ0P7BITrH+UKQ/w==
- SPFv=spf1 include:spf.protection.outlook.com a:mx1.2b-advice.com include:spf.sendinblue.com mx -all
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