Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bayer04.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 04:07:28 UTC · ↺ Refresh
MX Hostnames
- bayer04-de.mail.protection.outlook.com
MX Priorities
- bayer04-de.mail.protection.outlook.com: 0
A / AAAA Records
- 159.60.135.202 (no PTR)
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-any.123ns.eu hostmaster.123ns.eu 2026032305 86400 7200 3600000 86400
Primary NS (mname)
ns1-any.123ns.eu
Admin Email (rname)
hostmaster@123ns.eu
Serial
2026032305
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1-any.123ns.eu
ns4-any.123ns.de
ns3-any.123ns.eu
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.142.114.5 include:inxserver.com include:spf.protection.outlook.com include:spf.mailjet.com include:spf.004group.com include:_spf.itandtel.at include:amazonses.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; sp=reject; aspf=s; adkim=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
13 records- atlassian-sending-domain-verification=e8f32a22-f27f-4d5b-8475-3e8e2ac2728f
- heyhack-verification=64a7ddd9-415f-4c4e-9700-0e5cd29ae0c0
- jamf-site-verification=C_1yfaB-FViIfe02FUpnLQ
- google-site-verification=FOqbGLrr4BQMzmr9GQnQ4noZrOciwJp2lBj6Up3q0H0
- adobe-idp-site-verification=c55e48f4d2a2d32b0d95a39991fb0ee342f9b1fc1ea79996755b9b70ac60c594
- asv=a757a117b2e5d651dc1790c525183d82
- docusign=27217d49-256c-4839-abc6-f9b494dde4eb
- mailjet-bayer04.de-validation=682912
- notion-domain-verification=lXxbAaen5zTQuGxJzZ8ShNXwgHEnxVGIzRwo9DTxv6F
- atlassian-domain-verification=JYACmmdHPmY4xxl/xcFkmPSncUvu7jKIeiazMSjqRXyXduk877nTinV40dQcqTdf
- docusign=1dd3ff92-cab8-4d16-b099-efe07278bf25
- miro-verification=4687ad3272264beb960ee41c0183af9fe64a72e2
- SPFv=spf1 ip4:185.142.114.5 include:inxserver.com include:spf.protection.outlook.com include:spf.mailjet.com include:spf.004group.com include:_spf.itandtel.at include:amazonses.com -all
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