Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rell.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 21:40:59 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 20
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 159.203.175.148 ↩ rell.com
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns11.constellix.com dns.constellix.com 2015010203 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010203
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:159.203.175.148 ip4:45.55.45.79 ip4:45.55.32.230 ip4:159.203.174.145 ip4:165.227.109.8 ip4:164.90.156.196 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:amazonses.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
2 records- google-site-verification=slzq8rkmn12fzrKPPP_pe4JkYD1wjpyAEgKwBlbJh6Q
- SPFv=spf1 ip4:159.203.175.148 ip4:45.55.45.79 ip4:45.55.32.230 ip4:159.203.174.145 ip4:165.227.109.8 ip4:164.90.156.196 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:amazonses.com -all
Full email verification for rell.com
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