Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jobposts.net
Disposable
✓ Yes
Mailgun
⚠ Yes
Yes
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 04:11:57 UTC · ↺ Refresh
MX Hostnames
- mxb.mailgun.org
- mxa.mailgun.org
MX Priorities
- mxb.mailgun.org: 10
- mxa.mailgun.org: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 34.160.157.95 ↩ 95.157.160.34.bc.googleusercontent.com
- 34.160.63.108 ↩ 108.63.160.34.bc.googleusercontent.com
SOA Record
Raw SOA
ns1.linode.com support.ostinc.net 2021000039 14400 14400 1209600 300
Primary NS (mname)
ns1.linode.com
Admin Email (rname)
support@ostinc.net
Serial
2021000039
Refresh
14400s
Retry
14400s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns1.linode.com
ns3.linode.com
ns2.linode.com
ns5.linode.com
ns4.linode.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailgun.org include:_spf.google.com include:50.210.101.74 ~all
📊 DNS lookups: 3/10
~ 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
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:mailgun.org include:_spf.google.com include:50.210.101.74 ~all
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