Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rfmacdonald.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:08:57 UTC · ↺ Refresh
MX Hostnames
- d359577a.ess.barracudanetworks.com
- d359577b.ess.barracudanetworks.com
- rfmacdonald-com.mail.protection.outlook.com
MX Priorities
- d359577a.ess.barracudanetworks.com: 99
- d359577b.ess.barracudanetworks.com: 99
- rfmacdonald-com.mail.protection.outlook.com: 0
A / AAAA Records
- 192.124.249.177
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::2
SOA Record
Raw SOA
ns1.mydyndns.org zone-admin.dyndns.com 2021070659 10800 1800 604800 1800
Primary NS (mname)
ns1.mydyndns.org
Admin Email (rname)
zone-admin@dyndns.com
Serial
2021070659
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns3196.dns.dyn.com
ns2186.dns.dyn.com
ns1144.dns.dyn.com
ns4151.dns.dyn.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.smtp.com include:spf.myconnectwise.net ip4:40.71.35.61 ~all
📊 DNS lookups: 3/10
~ 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
✓ 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
6 records- b4sur0bll4fuabm484vuola2h
- MS=1E62C3C4B271C50C811719F1E7B1259B6305C98B
- tmnhs02jafc2908orpc8s22hsb
- ppe-d06d04069b91e09b444d
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.smtp.com include:spf.myconnectwise.net ip4:40.71.35.61 ~all
- l9672gmpvspree3qnddljo08nh
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