Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
merrionsecurity.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 16:23:54 UTC · ↺ Refresh
MX Hostnames
- merrionsecurity-com.mail.protection.outlook.com
MX Priorities
- merrionsecurity-com.mail.protection.outlook.com: 0
A / AAAA Records
- 209.42.31.47 (no PTR)
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.best.etailorhost.com aengus.etailor.ie 2026022201 3600 1800 1209600 86400
Primary NS (mname)
ns1.best.etailorhost.com
Admin Email (rname)
aengus@etailor.ie
Serial
2026022201
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.best.etailorhost.com
ns4.best.etailorhost.com
ns3.best.etailorhost.com
ns2.best.etailorhost.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:209.42.31.45 include:spf.mysecurecloudhost.com +ip4:209.42.31.47 +include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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
2 records- MS=ms73763434
- SPFv=spf1 +a +mx +ip4:209.42.31.45 include:spf.mysecurecloudhost.com +ip4:209.42.31.47 +include:spf.protection.outlook.com -all
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