Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blueskydigitalstrategy.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 20:56:08 UTC · ↺ Refresh
MX Hostnames
- mailsec.protonmail.ch
- mail.protonmail.ch
MX Priorities
- mailsec.protonmail.ch: 20
- mail.protonmail.ch: 10
A / AAAA Records
- 143.244.187.93 (no PTR)
Mail Server IPs
- 176.119.200.129 ↩ mailsec.protonmail.ch
- 185.70.42.129 ↩ mailsec.protonmail.ch
- 185.205.70.129 ↩ mailsec.protonmail.ch
- 176.119.200.128 ↩ mail.protonmail.ch
- 185.70.42.128 ↩ mail.protonmail.ch
- 185.205.70.128 ↩ mail.protonmail.ch
SOA Record
Raw SOA
ns1.systemdns.com hostmaster.systemdns.com 1739616715 604800 86400 300 60
Primary NS (mname)
ns1.systemdns.com
Admin Email (rname)
hostmaster@systemdns.com
Serial
1739616715
Refresh
604800s
Retry
86400s
Expire
300s
Minimum TTL
60s
Nameservers (NS)
ns2.systemdns.com
ns3.systemdns.com
ns1.systemdns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.protonmail.ch ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
k1._domainkey
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:_spf.protonmail.ch ~all
- protonmail-verification=fb2d065483060279285570ef1afbb75d59993d90
- openai-domain-verification=dv-vBNv7AQtf18VHFV8KVUZ7wH4
- google-site-verification=gnOqCa_R_2iPrpq_6aZCHklFIm0q6O92k3DwrcisIqI
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