Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zeiss.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 21:18:01 UTC · ↺ Refresh
MX Hostnames
- mx-in01.eu.retarus.com
- mx-in02.eu.retarus.com
MX Priorities
- mx-in01.eu.retarus.com: 10
- mx-in02.eu.retarus.com: 10
A / AAAA Records
- 23.44.201.237 ↩ a23-44-201-237.deploy.static.akamaitechnologies.com
- 23.44.201.240 ↩ a23-44-201-240.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:7::1728:b3c2 ↩ g2600-141b-1c00-0007-0000-0000-1728-b3c2.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:7::1728:b3af ↩ g2600-141b-1c00-0007-0000-0000-1728-b3af.deploy.static.akamaitechnologies.com
Mail Server IPs
- 94.199.92.130 ↩ mx-in01.eu.retarus.com
- 94.199.89.39 ↩ mx-in02.eu.retarus.com
SOA Record
Raw SOA
a1-232.akam.net hostmaster.zeiss.com 2018069961 10800 3600 1209600 900
Primary NS (mname)
a1-232.akam.net
Admin Email (rname)
hostmaster@zeiss.com
Serial
2018069961
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
a1-232.akam.net
a7-64.akam.net
a18-66.akam.net
a26-67.akam.net
a13-66.akam.net
a8-64.akam.net
SPF Record
✗ Invalid
v=spf1 include:mktomail.com include:_spf.salesforce.com include:spf.protection.outlook.com include:spf-mx5.zeiss.com include:_spf.general.transactional-mail-a.com include:spf.mailjet.com include:spf.joinmyit.com include:spf-mx.zeiss.com include:amazonses.com -all
📊 DNS lookups: 11/10
— over limit!
⚠ Too many DNS lookups (11/10) — SPF will fail validation. Reduce include: statements.
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;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
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 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
35 records- onetrust-domain-verification=ae30cefcb09347f9b4efc63115beff9f
- google-site-verification=a4DWaCGNgdS0yAnksSuGb_bXpDfTifx9CD7apEF7xwg
- apple-domain-verification=pEAXDV6JCS29gT8t
- autodesk-domain-verification=dm-leJ8kMUsqbaeAFZnB
- google-gws-recovery-domain-verification=62755282
- 9bNcXJ0tP4AOu4GZVovaQ5V6HCLeMejliFV9XD5oRKAYTNWXwMn12+vm41Tc+DES1607whRb/5EI8B7LQfDuhQ==
- postman-domain-verification=3c7fae2e8dec2baa1e3774d83fea3e80313e73306e7eafaac57f6585dc3ff821
- google-site-verification=jeIc1bcQQaij2X-wOFQGs1WFyqhinfIjTRwCUdn6Z04
- Foxit-domain-verification=257fe05909655172642e77afbaf218c2
- miro-verification=ad6b0ed2d04e6bbef4a51d55b9f82631b3cdadeb
- deepl-domain-verification=91300aae0d164673a5b95d470ff74559
- smartsheet-site-validation=ytndkkHoWZK75GZTNbFIen5TM-lSe5Gw
- mongodb-site-verification=LWZY6iRR96hPqAAWOmZOSNuB4gScmzOp
- Dynatrace-site-verification=ee7ce1ee-946f-4b14-ada4-7241d56d07f7__6uvebh8dkv8c2ga9cagh16uq3s
- onetrust-domain-verification=be0a015b20944ecca31e58bda3429fed
- cisco-ci-domain-verification=49c1fdf020e36defb8cf6de84b0b3b64d6768eb8a7e3b34e35618571c8a4fcd1
- google-site-verification=kssZ9p5HMSSYqlvuLPXTsFj_wcroywBvuUxb318s7OM
- google-site-verification=MpUOpXbEsdsootlUKIs-IwYIGGBKcYXDlBHlO79kaGQ
- teamviewer-sso-verification=80a34727a7fb4fb8a6b20269aa85062e
- SPFv=spf1 include:mktomail.com include:_spf.salesforce.com include:spf.protection.outlook.com include:spf-mx5.zeiss.com include:_spf.general.transactional-mail-a.com include:spf.mailjet.com include:spf.joinmyit.com include:spf-mx.zeiss.com include:amazonses.com -all
- MS=ms87646186
- facebook-domain-verification=j00q55cj3f76me6w70908r1a8uqf1b
- MS=C0554746F0803649B432A668BC9F87337D7E1941
- twilio-domain-verification=fc97311768eeb285e621b9b8e4d44830
- atlassian-domain-verification=AowSS5TYghUAXfiF12PTYy3K4NpavaxLKfbTURFqnGv8YTTh87gBW5tOs5pKhZ9J
- google-site-verification=c38N0TeFsFcOKcFuWdi7YhR8Ay7mjf129eO-HRCkFMI
- d365mktkey=VqxakgCocPUopdkhDkxgZxe5ezOSjf8Hl9LGseiqWOsx
- google-site-verification=KWvw0hefVBl02TtROssao9vadIG1_x0s7t5vtsXbxlc
- mixpanel-domain-verify=14b1aa96-0389-4438-8a85-976ca7064e33
- atlassian-domain-verification=Rupi8QU123hDQih5cjQbtEDalANhxzEbICnLsegL2460NYNtsT3s6UctNWjkglGm
- 5743-98BB-70DD-C700-A500-1200-ED73-5863
- mentimeter-a8135b5d-942e-47d6-94dd-895b07f4bc1d
- DKIMv=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC87eAnOC4L4gamKwX5GGumeFBTKNu83KXWMEUwplluQB6rTNdyBiMoDedgjdNfKugpAX81N/m9LYdRjEOEpwd5aSwRJZvPIciKCDfxrtuOCoy1MAmfr83TRvZgJPubRqBP7SqP0InbXdb4ZJtzDDro+MaK7Ll3IAMGazGNHzB9kwIDAQAB
- DMXTsZW54r8qPVkHAz2577cDJc9wCNc6
- adobe-idp-site-verification=f6d4a449-9959-49fb-9b4e-fa3c778bfc49
Full email verification for zeiss.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits