Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
mainlinesmiles.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 18:03:22 UTC · ↺ Refresh
MX Hostnames
- lastmx.spamexperts.net
- fallbackmx.spamexperts.eu
- mx.spamexperts.com
MX Priorities
- mx.spamexperts.com: 10
- fallbackmx.spamexperts.eu: 20
- lastmx.spamexperts.net: 30
A / AAAA Records
- 199.34.229.100
Mail Server IPs
- 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
- 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 2001:550:2:61::2fc:100 (no PTR)
- 154.59.104.23 ↩ fe2-r3-in.ams14.l.antispamcloud.com
- 149.13.75.27 ↩ fe1-r3-in.fra02.l.antispamcloud.com
- 2001:978:2:7::162:100 ↩ fe1-r3-in.fra02.l.antispamcloud.com
- 2001:978:2:2c::137:100 ↩ fe2-r3-in.ams14.l.antispamcloud.com
SOA Record
Raw SOA
ns1.systemdns.com hostmaster.systemdns.com 1748475553 10800 3600 300 60
Primary NS (mname)
ns1.systemdns.com
Admin Email (rname)
hostmaster@systemdns.com
Serial
1748475553
Refresh
10800s
Retry
3600s
Expire
300s
Minimum TTL
60s
Nameservers (NS)
ns2.systemdns.com
ns1.systemdns.com
ns3.systemdns.com
SPF Record
✓ Strict (-all)
v=spf1 mx a a:sierra.starlinx.com include:spf.antispamcloud.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a a:sierra.starlinx.com include:spf.antispamcloud.com -all
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