Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
chemiebuero.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 15:12:40 UTC · ↺ Refresh
MX Hostnames
- chemiebuero-de.mail.protection.outlook.com
MX Priorities
- chemiebuero-de.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.87 ↩ 217-160-0-87.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::20c ↩ 2001-08d8-100f-f000-0000-0000-0000-020c.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1055.ui-dns.com hostmaster.1und1.com 2017060137 28800 7200 604800 600
Primary NS (mname)
ns1055.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060137
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1055.ui-dns.com
ns1085.ui-dns.de
ns1064.ui-dns.org
ns1123.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 a ip4:134.119.244.49 include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._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
3 records- brevo-code:f7854169aec4364041ff64cdeb1da9cd
- SPFv=spf1 a ip4:134.119.244.49 include:spf.protection.outlook.com ~all
- ms=ms5488098
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