Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blucor.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 10:52:14 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 0
A / AAAA Records
- 206.197.47.228 (no PTR)
Mail Server IPs
- 64.233.180.26 ↩ on-in-f26.1e100.net
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
- 64.233.180.27 ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
- 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
- 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
SOA Record
Raw SOA
ns1.systemdns.com hostmaster.systemdns.com 1752194757 10800 3600 300 60
Primary NS (mname)
ns1.systemdns.com
Admin Email (rname)
hostmaster@systemdns.com
Serial
1752194757
Refresh
10800s
Retry
3600s
Expire
300s
Minimum TTL
60s
Nameservers (NS)
ns3.systemdns.com
ns1.systemdns.com
ns2.systemdns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- apple-domain-verification=PJm3NuK9brzBaLNV
- google-site-verification=5Pd_To7wX6ToNAzWQPgPY5ZVMa2rb9YqXb_iMtdmdKM
- SPFv=spf1 include:_spf.google.com ~all
Full email verification for blucor.com
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