Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blackthornsdesign.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 15:49:59 UTC · ↺ Refresh
MX Hostnames
- in2-smtp.messagingengine.com
- in1-smtp.messagingengine.com
MX Priorities
- in1-smtp.messagingengine.com: 10
- in2-smtp.messagingengine.com: 20
A / AAAA Records
- 104.21.66.17
- 172.67.155.10
- 2606:4700:3033::ac43:9b0a
- 2606:4700:3037::6815:4211
Mail Server IPs
- 103.168.172.218 ↩ phl-mx-03.messagingengine.com
- 103.168.172.219 ↩ phl-mx-04.messagingengine.com
- 103.168.172.220 ↩ phl-mx-05.messagingengine.com
- 103.168.172.221 ↩ phl-mx-06.messagingengine.com
- 103.168.172.222 ↩ phl-mx-07.messagingengine.com
- 103.168.172.223 ↩ phl-mx-08.messagingengine.com
- 103.168.172.216 ↩ phl-mx-01.messagingengine.com
- 103.168.172.217 ↩ phl-mx-02.messagingengine.com
- 202.12.124.217 ↩ stl-mx-02.messagingengine.com
- 202.12.124.218 ↩ stl-mx-03.messagingengine.com
- 202.12.124.219
- 202.12.124.216
SOA Record
Raw SOA
ariella.ns.cloudflare.com dns.cloudflare.com 2398400179 10000 2400 604800 1800
Primary NS (mname)
ariella.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398400179
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
marvin.ns.cloudflare.com
ariella.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:vibrant-herschel.85-215-212-203.plesk.page include:spf.messagingengine.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +a +mx +a:vibrant-herschel.85-215-212-203.plesk.page include:spf.messagingengine.com -all
- Sendinblue-code:c3963afecf1efef1b985570a24afcaa9
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