Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
irwinprinting.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 03:44:38 UTC · ↺ Refresh
MX Hostnames
- mx2.emailsrvr.com
- mx1.emailsrvr.com
MX Priorities
- mx1.emailsrvr.com: 10
- mx2.emailsrvr.com: 20
A / AAAA Records
- 69.20.103.147 (no PTR)
Mail Server IPs
- 184.106.54.1 ↩ mx1.emailsrvr.com
- 146.20.161.1 ↩ mx1.emailsrvr.com
- 108.166.43.1 ↩ mx1.emailsrvr.com
- 173.203.187.1 ↩ mx1.emailsrvr.com
- 184.106.54.2 ↩ mx2.emailsrvr.com
- 146.20.161.2 ↩ mx2.emailsrvr.com
- 108.166.43.2 ↩ mx2.emailsrvr.com
- 173.203.187.2 ↩ mx2.emailsrvr.com
SOA Record
Raw SOA
ns1.world-serv.net dns.world-serv.net 2010103001 10800 900 777600 3600
Primary NS (mname)
ns1.world-serv.net
Admin Email (rname)
dns@world-serv.net
Serial
2010103001
Refresh
10800s
Retry
900s
Expire
777600s
Minimum TTL
3600s
Nameservers (NS)
ns1.world-serv.com
ns1.world-serv.net
ns2.world-serv.com
ns2.world-serv.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:emailsrvr.com include:world-serv.net include:_spf.google.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict 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
1 record- SPFv=spf1 a mx include:emailsrvr.com include:world-serv.net include:_spf.google.com -all
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