Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sic-marking.com
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 19:54:44 UTC · ↺ Refresh
MX Hostnames
- asp16.mailinblack.com
- mx0.mailinblack.com
MX Priorities
- asp16.mailinblack.com: 5
- mx0.mailinblack.com: 100
A / AAAA Records
- 172.67.223.120 (no PTR)
- 104.21.83.109 (no PTR)
- 2606:4700:3036::6815:536d (no PTR)
- 2606:4700:3036::ac43:df78 (no PTR)
Mail Server IPs
- 52.143.158.11 (no PTR)
SOA Record
Raw SOA
megan.ns.cloudflare.com dns.cloudflare.com 2398824087 10000 2400 604800 1800
Primary NS (mname)
megan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398824087
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nile.ns.cloudflare.com
megan.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailinblack.com include:spf.brevo.com include:spf.protection.outlook.com include:_mailcust.gandi.net include:mailers.novius.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 392 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
8 records- MS=ms68077226
- brevo-code:47324d9b96635df2b2f923e2909d238f
- brevo-code:6fa121583a4281935abfa70e2ce312d6
- ca3-82e60de7448a4d9b96262b4c74f96de7
- google-site-verification=8SIual92kMi7fRDPoKzdy7NeDQqKwkHD18O4XknnUDg
- SPFv=spf1 include:spf.mailinblack.com include:spf.brevo.com include:spf.protection.outlook.com include:_mailcust.gandi.net include:mailers.novius.net -all
- MS=1E8E41626B726851D65D58F3D0A25152E99E2282
- MS=ms66318658
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