Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zeiss.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 21:18:02 UTC · ↺ Refresh
MX Hostnames
- mx-in01.eu.retarus.com
- mx-in02.eu.retarus.com
MX Priorities
- mx-in02.eu.retarus.com: 10
- mx-in01.eu.retarus.com: 10
A / AAAA Records
- 23.44.201.236 ↩ a23-44-201-236.deploy.static.akamaitechnologies.com
- 23.44.201.235 ↩ a23-44-201-235.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:7::1728:b385 ↩ g2600-141b-1c00-0007-0000-0000-1728-b385.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:7::1728:b3ae ↩ g2600-141b-1c00-0007-0000-0000-1728-b3ae.deploy.static.akamaitechnologies.com
Mail Server IPs
- 94.199.89.39 ↩ mx-in02.eu.retarus.com
- 94.199.92.130 ↩ mx-in01.eu.retarus.com
SOA Record
Raw SOA
a1-232.akam.net hostmaster.zeiss.com 2018063029 10800 3600 1209600 900
Primary NS (mname)
a1-232.akam.net
Admin Email (rname)
hostmaster@zeiss.com
Serial
2018063029
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
a7-64.akam.net
a26-67.akam.net
a8-64.akam.net
a18-66.akam.net
a13-66.akam.net
a1-232.akam.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf-mx.zeiss.com ip4:194.175.223.0/24 ip4:94.199.88.0/22 ip4:82.135.18.0/23 ip4:62.245.148.0/26 ip4:62.134.45.32/28 ip4:217.111.120.0/27 ip4:194.8.120.224/27 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;aspf=s;adkim=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms71947339
- google-site-verification=Bel_VwsZ9cwA0Pmdbb-QhM8V4865i0muRQe6KCqPk-c
- _tm8tior5bw4ymrgl1b08z3qsyce9zv7
- facebook-domain-verification=ijqmgxlw3hcng72fcot90hbjharlba
- SPFv=spf1 include:spf-mx.zeiss.com ip4:194.175.223.0/24 ip4:94.199.88.0/22 ip4:82.135.18.0/23 ip4:62.245.148.0/26 ip4:62.134.45.32/28 ip4:217.111.120.0/27 ip4:194.8.120.224/27 -all
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