Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
obg-hochbau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 13:40:48 UTC · ↺ Refresh
MX Hostnames
- mx2.atmosphere.de.group-ib.com
- obghochbau-de0i.mail.protection.outlook.com
- mx1.atmosphere.de.group-ib.com
- mx3.atmosphere.de.group-ib.com
MX Priorities
- obghochbau-de0i.mail.protection.outlook.com: 50
- mx3.atmosphere.de.group-ib.com: 10
- mx1.atmosphere.de.group-ib.com: 10
- mx2.atmosphere.de.group-ib.com: 10
A / AAAA Records
- 212.88.159.14
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 52.58.49.248 ↩ smtp-bep-prod-eu-central-1.gibmxdr.com
- 35.158.177.144 ↩ smtp-bep-prod-eu-central-1.gibmxdr.com
- 63.176.74.142
SOA Record
Raw SOA
dns1.infoserve.de hostmaster.infoserve.de 2025101600 3600 3600 1209600 3600
Primary NS (mname)
dns1.infoserve.de
Admin Email (rname)
hostmaster@infoserve.de
Serial
2025101600
Refresh
3600s
Retry
3600s
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
- NfyFqKjB1NRtTY3CL/Gw+0WubR1oLPmNbSGIvlDhSVvDWsXy+9q1zeZmLwzLtyjkSeBY4EQL0bEz29od6WkMdw==
- MS=ms50579580
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