Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mainline.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 23:40:54 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
- 160.153.0.41 ↩ 41.0.153.160.host.secureserver.net
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
brian.ns.cloudflare.com dns.cloudflare.com 2399624881 10000 2400 604800 1800
Primary NS (mname)
brian.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399624881
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
brian.ns.cloudflare.com
mallory.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.us.odmad.quest-on-demand.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:aspmx.pardot.com include:wappmail.com ip4:199.44.241.0/24 ip4:192.254.115.169/32 ip4:199.44.167.0/24 ip4:199.44.166.0/24 ip4:72.35.67.85 ip4:68.171.172.82 ip4:208.86.168.7 ip4:12.228.220.196 ip4:12.228.220.202 ip4:12.228.220.203 ip4:72.35.67.98 ip4:66.129.74.220 ip4:206.152.14.54 ip4:174.128.1.0/24 ip4:152.70.114.119 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
6 records- MS=ms35323008
- MS=ms82981380
- _j8hiefh9clqlxp4tk8ikbcdpgkkxlu9
- google-site-verification=eguaI8V4D4YFv6xqbMBctN4hPPEOa-zSnzRqa3ZXhxo
- SPFv=spf1 include:spf.us.odmad.quest-on-demand.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:aspmx.pardot.com include:wappmail.com ip4:199.44.241.0/24 ip4:192.254.115.169/32 ip4:199.44.167.0/24 ip4:199.44.166.0/24 ip4:72.35.67.85 ip4:68.171.172.82 ip4:208.86.168.7 ip4:12.228.220.196 ip4:12.228.220.202 ip4:12.228.220.203 ip4:72.35.67.98 ip4:66.129.74.220 ip4:206.152.14.54 ip4:174.128.1.0/24 ip4:152.70.114.119 ~all
- 0ed1fe018ac99b1e0235cc4166affe4ec7ffd0be86
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