Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isleblue.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 18:13:56 UTC · ↺ Refresh
MX Hostnames
- mail.isleblue.co
- mail.isleblue.co
MX Priorities
- mail.isleblue.co: 10
- mail.isleblue.co: 20
A / AAAA Records
- 172.66.43.3 (no PTR)
- 172.66.40.253 (no PTR)
- 2606:4700:3108::ac42:2b03 (no PTR)
- 2606:4700:3108::ac42:28fd (no PTR)
Mail Server IPs
- 34.200.138.20 ↩ whm2.isleblue.co
SOA Record
Raw SOA
alex.ns.cloudflare.com dns.cloudflare.com 2398551409 10000 2400 604800 1800
Primary NS (mname)
alex.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398551409
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
pat.ns.cloudflare.com
alex.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.mandrillapp.com include:aspmx.pardot.com include:servers.mcsv.net ipv4:34.206.23.135 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
default._domainkey
k1._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
4 records- SPFv=spf1 mx include:spf.mandrillapp.com include:aspmx.pardot.com include:servers.mcsv.net ipv4:34.206.23.135 ~all
- google-site-verification=VRVBZTQ4Dwy6DstCIV3NaI_mgAG356Efa5wowWe4Ci0
- klaviyo-site-verification=UTUPA4
- stripe-verification=ea923caf1f79895ccde2e48f6285361fd287018865cc55fd0561b43206b1487e
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