Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drterrytsang.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 06:24:17 UTC · ↺ Refresh
MX Hostnames
- mx.bluestreak.net
MX Priorities
- mx.bluestreak.net: 20
A / AAAA Records
- 104.200.27.164 ↩ 104-200-27-164.ip.linodeusercontent.com
- 2600:3c01:1::68c8:1ba4 (no PTR)
Mail Server IPs
- 216.69.244.199 ↩ wally.bluestreak.net
SOA Record
Raw SOA
ns1.bluestreak.net yrden.bluestreak.net 1 7200 900 1209600 86400
Primary NS (mname)
ns1.bluestreak.net
Admin Email (rname)
yrden@bluestreak.net
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.bluestreak.net
ns3.bluestreak.net
ns4.bluestreak.net
ns1.bluestreak.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.69.244.192/28 include:secureserver.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];aspf=s;adkim=s;fo=0:1:d:s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:216.69.244.192/28 include:secureserver.net -all
- google-site-verification=k7RxFxHvprb264VZ5SOMRv0IXBIt-2aotjSJRal1sUQ
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