Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gs-strassenbau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 00:36:40 UTC · ↺ Refresh
MX Hostnames
- gsstrassenbau-de0e.mail.protection.outlook.com
MX Priorities
- gsstrassenbau-de0e.mail.protection.outlook.com: 10
A / AAAA Records
- 185.215.158.186 (no PTR)
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
ns2.porr.at hostmaster.porr.at 2023081562 21600 3600 2419200 3600
Primary NS (mname)
ns2.porr.at
Admin Email (rname)
hostmaster@porr.at
Serial
2023081562
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns3.porr.at
ns1.porr-group.com
ns2.porr.at
SPF Record
✓ Strict (-all)
v=spf1 ip4:195.216.229.0/24 include:spf.protection.outlook.com include:spf.umantis.com ip4:78.46.166.34 ip4:213.33.67.66 include:spfa.cpmails.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 ip4:195.216.229.0/24 include:spf.protection.outlook.com include:spf.umantis.com ip4:78.46.166.34 ip4:213.33.67.66 include:spfa.cpmails.com -all
- MS=ms27211256
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