Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dihk.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 15:11:11 UTC · ↺ Refresh
MX Hostnames
- mx01.ihk.de
- mx02.ihk.de
MX Priorities
- mx02.ihk.de: 10
- mx01.ihk.de: 10
A / AAAA Records
- 45.135.244.87 (no PTR)
Mail Server IPs
- 141.88.192.222 ↩ mx02.ihk.de
- 141.88.192.212 ↩ mx01.ihk.de
SOA Record
Raw SOA
ns1-35.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-35.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-35.azure-dns.info
ns1-35.azure-dns.com
ns2-35.azure-dns.net
ns3-35.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ihk.de include:spf.mailjet.com include:mail.zendesk.com ip4:217.76.110.0/23 ip4:62.55.182.68 include:spf.protection.outlook.com include:spf.crsend.com include:spf.brevo.com include:_spf.salesforce.com include:145673545.spf03.hubspotemail.net -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
17 records- ZA=FbmSPDgktCf9sYW2KX7PyA==
- MS=ms76421778
- eb997681ea7ad81c068294b93528c0c1.txt
- JHI7OpWxIHS7W7fTi+jf3PFspGHwcWG+Nk2+NQFEoHECOsQLurJ1+kTjT3C06D/yqHuR/BNUVyp4cDUMgsQBHg==
- uf75b9hugu7u9u3nljnqopusj2
- _telesec-domain-validation=291446_2021-05-17_6RhQYe24gFopvddK6f8g0pTURfoBijcfaqo9UNQelq7E11SasW
- 3jbj3aqkqbfc6eucq3dcbjblb3
- brevo-code:d064374b4b30b4ac7315e7374141d30c
- ms-domain-verification=3bd5f57a-c47b-4d41-b763-3e370cd8beb6
- _telesec-domain-validation=291446_2021-05-17_uHptms6NPJLkmCQOpfG92CO7lNaAWIDoEgvdGpYkPl3bIn69yo
- SPFv=spf1 include:spf.ihk.de include:spf.mailjet.com include:mail.zendesk.com ip4:217.76.110.0/23 ip4:62.55.182.68 include:spf.protection.outlook.com include:spf.crsend.com include:spf.brevo.com include:_spf.salesforce.com include:145673545.spf03.hubspotemail.net -all
- brevo-code:1f05f23b987c990fdb0ee2658cdc9b6e
- apple-domain-verification=Tru7mxdyDCZtyJ3Q
- d3tm0gmo8gtg66n6ji7buu1dg4
- tlbr5pl63jtr605qah2joh7177
- jivkf31rqh2utpehm6dociut7g
- brevo-code:e095c9fc5e36f2575a45b53926e83eab
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