Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
knowlesprinting.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 09:56:08 UTC · ↺ Refresh
MX Hostnames
- mx1.emailsrvr.com
- mx2.emailsrvr.com
MX Priorities
- mx2.emailsrvr.com: 20
- mx1.emailsrvr.com: 10
A / AAAA Records
- 52.5.5.85 ↩ ec2-52-5-5-85.compute-1.amazonaws.com
Mail Server IPs
- 108.166.43.2 ↩ mx2.emailsrvr.com
- 173.203.187.2 ↩ mx2.emailsrvr.com
- 146.20.161.2 ↩ mx2.emailsrvr.com
- 184.106.54.2 ↩ mx2.emailsrvr.com
- 108.166.43.1 ↩ mx1.emailsrvr.com
- 173.203.187.1 ↩ mx1.emailsrvr.com
- 184.106.54.1 ↩ mx1.emailsrvr.com
- 146.20.161.1 ↩ mx1.emailsrvr.com
SOA Record
Raw SOA
ns1.firespringdns.com hostmaster.firespring.com 2015020105 7200 1800 604800 300
Primary NS (mname)
ns1.firespringdns.com
Admin Email (rname)
hostmaster@firespring.com
Serial
2015020105
Refresh
7200s
Retry
1800s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns4.firespringdns.com
ns1.firespringdns.com
ns2.firespringdns.com
ns3.firespringdns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.firespring.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 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 include:_spf.firespring.com ~all
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