Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
brandenburg.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:11:03 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 1
- us-smtp-inbound-2.mimecast.com: 1
A / AAAA Records
- 104.21.12.76 (no PTR)
- 172.67.131.243 (no PTR)
- 2606:4700:3031::6815:c4c (no PTR)
- 2606:4700:3030::ac43:83f3 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
jasmine.ns.cloudflare.com dns.cloudflare.com 2399212190 10000 2400 604800 1800
Primary NS (mname)
jasmine.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399212190
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
john.ns.cloudflare.com
jasmine.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.mailjet.com include:sendgrid.net ip4:23.29.51.161 include:us._netblocks.mimecast.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- 6i9isolure3btp4bk5jeqhgbd4
- MS=D5B344C8A368B92211F59530A3A7C61ECFEE753D
- adobe-idp-site-verification=3c62d6d04e1cbf58971c70b1a1e8b5d72fa98063d32ba5b9208dc1fdc1ef2813
- apple-domain-verification=jFA3TAwYLbWPQPTc
- google-site-verification=uBxvvbUwIUAcB5cQ2hZNOosgEkTCgGkiED33273sC8w
- n72buir67lkn3v7e0e9ecg4s1a
- SPFv=spf1 include:spf.mailjet.com include:sendgrid.net ip4:23.29.51.161 include:us._netblocks.mimecast.com ~all
- 4udm0261kus0ch8tosr3978hrb
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