Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mainsailhotels.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:42:05 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 20
A / AAAA Records
- 142.44.217.176 ↩ ip176.ip-142-44-217.net
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns57.domaincontrol.com dns.jomax.net 2026012501 28800 7200 604800 600
Primary NS (mname)
ns57.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns57.domaincontrol.com
ns58.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com ip4:213.70.228.37 include:microsdc.com include:servers.mcsv.net mx include:sendgrid.net ~all
📊 DNS lookups: 5/10
~ 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- nCdW3ba/Svxs/tMRetINjwelkC6aARGQh8BPD6m89iOtvvDmfBc8czlEtfmeyDMPPlxh1VRGchV7i+X4VLGInQ==
- g2svknhm5itjkp22mro8fomaqc
- v=verifydomain MS=9161887
- SPFv=spf1 include:us._netblocks.mimecast.com ip4:213.70.228.37 include:microsdc.com include:servers.mcsv.net mx include:sendgrid.net ~all
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