Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pbs-business.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 21:57:40 UTC · ↺ Refresh
MX Hostnames
- pbsbusiness-de0i.mail.protection.outlook.com
MX Priorities
- pbsbusiness-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 5.9.227.137 ↩ t24.perimetrik.com
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2024121100 86400 10800 3600000 3600
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2024121100
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.144.119.18 ip4:213.23.91.104/29 ip4:87.191.176.151/32 ip4:136.243.165.130/32 include:spf.protection.outlook.com include:_spf.senders.scnem.com include:spf.crsend.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 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
4 records- google-site-verification=zjjHBkPCOAFJEy9Jp-Asq0KHBw8LLJ62UXcC9gRVB7I
- SPFv=spf1 ip4:212.144.119.18 ip4:213.23.91.104/29 ip4:87.191.176.151/32 ip4:136.243.165.130/32 include:spf.protection.outlook.com include:_spf.senders.scnem.com include:spf.crsend.com -all
- _4n9sxk4byvbgfnkvn0krx1wm0bmy600
- _5iv2uuwaia8g08xacigfs49tzx6h8m4
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