Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
keysermarston.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 16:13:26 UTC · ↺ Refresh
MX Hostnames
- keysermarston-com.mail.protection.outlook.com
MX Priorities
- keysermarston-com.mail.protection.outlook.com: 0
A / AAAA Records
- 97.74.186.192 ↩ 192.186.74.97.host.secureserver.net
Mail Server IPs
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns73.worldnic.com namehost.worldnic.com 126021716 10800 3600 604800 3600
Primary NS (mname)
ns73.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021716
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns74.worldnic.com
ns73.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:173.164.217.185 ip4:173.164.138.193 ip4:98.153.236.2 ip4:38.104.231.130 ip4:68.15.15.233 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- 144mv6vv2b1ae0lrii5elkf32t
- MS=ms64998759
- 6a85qca0rq6jtcitlucekfs7uu
- SPFv=spf1 ip4:173.164.217.185 ip4:173.164.138.193 ip4:98.153.236.2 ip4:38.104.231.130 ip4:68.15.15.233 include:spf.protection.outlook.com -all
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