Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
4sci.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 07:31:23 UTC · ↺ Refresh
MX Hostnames
- smtp.4sci.com
MX Priorities
- smtp.4sci.com: 15
A / AAAA Records
- 207.244.192.125 ↩ 207.244.192.125.static.colo.hostirian.com
Mail Server IPs
- 206.196.107.34 ↩ smtp.4sci.com
SOA Record
Raw SOA
ns11.constellix.com dns.constellix.com 2015010117 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010117
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:206.196.107.34 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms41310101
- SPFv=spf1 include:spf.protection.outlook.com ip4:206.196.107.34 ~all
- oc3p4kcgljo2ipfrbojm7lfse3
Full email verification for 4sci.com
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