Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
holrob.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 16:05:55 UTC · ↺ Refresh
MX Hostnames
- d285663a.ess.barracudanetworks.com
- holrob-com.mail.protection.outlook.com
- d285663b.ess.barracudanetworks.com
MX Priorities
- d285663a.ess.barracudanetworks.com: 1
- holrob-com.mail.protection.outlook.com: 10
- d285663b.ess.barracudanetworks.com: 5
A / AAAA Records
- 209.182.198.166
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1
SOA Record
Raw SOA
pdns09.domaincontrol.com dns.jomax.net 2024072300 28800 7200 604800 600
Primary NS (mname)
pdns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024072300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns10.domaincontrol.com
pdns09.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:173.164.4.85/32 ip4:108.82.52.125/32 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; pct=20; fo=0;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 20% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
2 records- SPFv=spf1 mx a ip4:173.164.4.85/32 ip4:108.82.52.125/32 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all
- MS=ms15764195
Full email verification for holrob.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits