Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
herrenknecht-formwork.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 17:22:49 UTC · ↺ Refresh
MX Hostnames
- herrenknechtformwork-de03b.mail.protection.outlook.com
MX Priorities
- herrenknechtformwork-de03b.mail.protection.outlook.com: 10
A / AAAA Records
- 134.119.0.63 ↩ ms10537.ispgateway.de
Mail Server IPs
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1262.awsdns-29.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1262.awsdns-29.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1590.awsdns-06.co.uk
ns-232.awsdns-29.com
ns-683.awsdns-21.net
ns-1262.awsdns-29.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.28.100.50 ip6:2a02:ba8:100:0:250:56ff:fe8a:2a9b include:spf.protection.outlook.com include:spf.herrenknecht.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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- SPFv=spf1 ip4:217.28.100.50 ip6:2a02:ba8:100:0:250:56ff:fe8a:2a9b include:spf.protection.outlook.com include:spf.herrenknecht.com -all
- 8vq2vgv9oemfefg9ebo1fga7vk
- VmJ47NzNobYDsd8LJtSycGtifTd2kx2x5Wz/lFCze0h1R0YIe/6XsLlWRJvGpkEjVPkxwxLVoT/VHGoo7mSAoQ==
- _globalsign-domain-verification=vo5tQJPeD75X1D5M9wUlc-94KOcG3XPOY3ZyzA2JPp
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