Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crescendoacademy.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 07:22:24 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 0
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 173.230.141.220
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
ns1.bf-server5.com developers.bluefirecrew.com 2026020601 3600 1800 1209600 86400
Primary NS (mname)
ns1.bf-server5.com
Admin Email (rname)
developers@bluefirecrew.com
Serial
2026020601
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.bf-server5.com
ns2.bf-server5.com
ns1.bf-server5.com
ns4.bf-server5.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:173.230.141.220 +a +mx +ip4:64.91.226.216 include:_spf.google.com include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com ~all
📊 DNS lookups: 6/10
~ 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
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
3 records- google-site-verification=YLlkziPCuuX3IuKtBLRKVT3KkOaz1I_3WfA9wTDjHzk
- google-site-verification=6v7Yc7KQyQMy9CoCao6UBiVEiSi9MDuhndveIjEaiWA
- SPFv=spf1 ip4:173.230.141.220 +a +mx +ip4:64.91.226.216 include:_spf.google.com include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com ~all
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