Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sentryds.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 06:51:00 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-1.mimecast.com
- eu-smtp-inbound-2.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 10
- eu-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 20.54.104.97 (no PTR)
Mail Server IPs
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
dale.ns.cloudflare.com dns.cloudflare.com 2400103359 10000 2400 604800 1800
Primary NS (mname)
dale.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400103359
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dale.ns.cloudflare.com
paislee.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:eu._netblocks.mimecast.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com ip4:192.216.106.12 ip4:107.20.210.250 ip4:52.1.14.157 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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: 216 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
12 records- atlassian-domain-verification=IthqbcECIsKGZ4vkvbD52OCeA9Ib2i4mHAHA0xuaufluoyMDAdTdDjU1e782YUNc
- cisco-ci-domain-verification=f5eca89c80e23fa77a688de27d860780150181eb2e081f278cb9406728dce8b
- cisco-ci-domain-verification=fdbca21eb215f09921ea8dd26772bdb131d0b7b21fcdcc16a6a7b136bf2acbb
- iNNGVsuoGiFYHEJfaxknDdVu00i8+6IvhWvQcXFqaK4Cgn4A1anMj+YHkX0X7xM/msgaI1nTk5wZ+5UcOzgqDA==
- pendo-domain-verification=0Ylv24WhxrSuKU-iJhICR6AR7SA
- reftab-domain-verification=56932beb9f391941e7926711f8b599cb
- teamviewer-sso-verification=2758f158b58d4d70b1c395aea5daa20d
- SPFv=spf1 include:eu._netblocks.mimecast.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com ip4:192.216.106.12 ip4:107.20.210.250 ip4:52.1.14.157 -all
- 0ed1fe018a94c7b2300fe941f68b5cba5ba1d3dbff
- 0ed1fe018ae304dcdf38b840a08d322b1336711a2d
- MS=09E6C0CF8808FCC971ED2AAE1D02B29A21EC0E14
- MS=ms41885802
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