Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
obg-industriebau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 06:51:51 UTC · ↺ Refresh
MX Hostnames
- obgindustriebau-de0i.mail.protection.outlook.com
MX Priorities
- obgindustriebau-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 212.89.131.53 ↩ obgwebsrv.infos.de
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.infoserve.de hostmaster.infoserve.de 2025101500 28800 7200 1209600 3600
Primary NS (mname)
dns1.infoserve.de
Admin Email (rname)
hostmaster@infoserve.de
Serial
2025101500
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns1.infoserve.de
dns2.infoserve.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.rexx-suite.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; adkim=r; aspf=r;
⚠ 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
3 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.rexx-suite.com -all
- MS=ms93039492
- /XiggYg4Rl2Z60IW+G5T4Cap3fZYqANtDogiSyRYbfNmVMvc7uYUWRhAgxUEG1fkX5gjmfjg3Wx5ArIL7+H2FA==
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