Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
opensourcetechnologies.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 01:13:28 UTC · ↺ Refresh
MX Hostnames
- opensourcetechnologies.com
MX Priorities
- opensourcetechnologies.com: 0
A / AAAA Records
- 159.203.117.84 ↩ server.opensourcetechnologies.com
Mail Server IPs
- 159.203.117.84 ↩ server.opensourcetechnologies.com
SOA Record
Raw SOA
ns1.opensourcetechnologies.com it.ost.agency 2026031601 3600 1800 1209600 86400
Primary NS (mname)
ns1.opensourcetechnologies.com
Admin Email (rname)
it@ost.agency
Serial
2026031601
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.opensourcetechnologies.com
ns2.opensourcetechnologies.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:159.203.117.84 +a +mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
google._domainkey
default._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:159.203.117.84 +a +mx -all
- google-gws-recovery-domain-verification=60559549
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