Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
macombgroup.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 18:39:55 UTC · ↺ Refresh
MX Hostnames
- d171316a.ess.barracudanetworks.com
- d171316b.ess.barracudanetworks.com
MX Priorities
- d171316a.ess.barracudanetworks.com: 10
- d171316b.ess.barracudanetworks.com: 20
A / AAAA Records
- 104.154.71.203 ↩ 203.71.154.104.bc.googleusercontent.com
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns59.worldnic.com namehost.worldnic.com 126012816 10800 3600 604800 3600
Primary NS (mname)
ns59.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012816
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns60.worldnic.com
ns59.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com a:mail.macombgroup.com include:50587571.spf08.hubspotemail.net include:mail.zendesk.com include:spf.postalsrv.aldrichsolutions.net ip4:149.72.39.215 ip4:149.72.182.166 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- s7ckkkibrtfufsd7u8uiphc384
- google-site-verification=PDJbpzE6IhXHI8BFzWWQJ2Z9lePKeetDEpoG5TEVpkU
- 8dfafcsas3hpepb9to9glo4n89
- hvrv0intbl5lnvkeahjl30on50
- duo_sso_verification=R1l6yNjXC2VPYxsKlHS1CLCa5yI9HZmmhnZ5SaaTqLBo7xKmvjTzCN1MxW4XZJay
- op7d1mmu31ogi2vjguctuv4jrh
- pa1e548erllsohlrrfcfvlcgvf
- 26pn349gpjkf8jbc4gaa5tlmar
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com a:mail.macombgroup.com include:50587571.spf08.hubspotemail.net include:mail.zendesk.com include:spf.postalsrv.aldrichsolutions.net ip4:149.72.39.215 ip4:149.72.182.166 -all
Full email verification for macombgroup.com
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