Domain Overview
DNS: ✓ 18h ago
Checker: ✓ 18h ago
dennen.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-20 08:11:16 UTC · ↺ Refresh
MX Hostnames
- ALT3.ASPMX.L.GOOGLE.com
- ALT1.ASPMX.L.GOOGLE.com
- ASPMX.L.GOOGLE.com
- ALT2.ASPMX.L.GOOGLE.com
- ALT4.ASPMX.L.GOOGLE.com
MX Priorities
- alt3.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 64.233.180.26 ↩ on-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns2.biztocloud.com dns.dennen.com 2025031505 3660 600 1296000 3600
Primary NS (mname)
ns2.biztocloud.com
Admin Email (rname)
dns@dennen.com
Serial
2025031505
Refresh
3660s
Retry
600s
Expire
1296000s
Minimum TTL
3600s
Nameservers (NS)
ns1.biztocloud.com
ns2.biztocloud.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:52.144.105.176/29 include:us._netblocks.mimecast.com include:_spf.google.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1;pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:52.144.105.176/29 include:us._netblocks.mimecast.com include:_spf.google.com -all
- 0ed1fe018ab254bd070fc34214b655f5f49e1985fc
Full email verification for dennen.com
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