Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
masterservicestn.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 01:29:55 UTC · ↺ Refresh
MX Hostnames
- mx2.emailsrvr.com
- mx1.emailsrvr.com
MX Priorities
- mx1.emailsrvr.com: 10
- mx2.emailsrvr.com: 20
A / AAAA Records
- 172.66.43.43 (no PTR)
- 172.66.40.213 (no PTR)
- 2606:4700:3108::ac42:28d5
- 2606:4700:3108::ac42:2b2b
Mail Server IPs
- 184.106.54.1 ↩ mx1.emailsrvr.com
- 108.166.43.1 ↩ mx1.emailsrvr.com
- 173.203.187.1 ↩ mx1.emailsrvr.com
- 146.20.161.1 ↩ mx1.emailsrvr.com
- 146.20.161.2 ↩ mx2.emailsrvr.com
- 184.106.54.2 ↩ mx2.emailsrvr.com
- 108.166.43.2 ↩ mx2.emailsrvr.com
- 173.203.187.2 ↩ mx2.emailsrvr.com
SOA Record
Raw SOA
graham.ns.cloudflare.com dns.cloudflare.com 2397446859 10000 2400 604800 1800
Primary NS (mname)
graham.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397446859
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
graham.ns.cloudflare.com
zara.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- facebook-domain-verification=mvfazd0uf9bpjpv1zx44gwi0azvocr
- SPFv=spf1 mx ?all
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