Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
postoffice5.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 08:43:22 UTC · ↺ Refresh
MX Hostnames
- postoffice5.com
MX Priorities
- postoffice5.com: 0
A / AAAA Records
- 173.198.248.52 ↩ gamma.web2share.com
Mail Server IPs
- 173.198.248.52 ↩ gamma.web2share.com
SOA Record
Raw SOA
ns1.web2share.com systech23.postoffice5.com 2026031301 3600 1800 1209600 86400
Primary NS (mname)
ns1.web2share.com
Admin Email (rname)
systech23@postoffice5.com
Serial
2026031301
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.web2share.com
ns2.web2share.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:173.198.248.52 ip4:208.85.5.242 ip4:163.182.171.106 +a +mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:173.198.248.52 ip4:208.85.5.242 ip4:163.182.171.106 +a +mx ~all
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