Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
servertechsupply.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 13:32:40 UTC · ↺ Refresh
MX Hostnames
- servertechsupply-com.mail.protection.outlook.com
MX Priorities
- servertechsupply-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.1.39 (no PTR)
- 172.67.70.205 (no PTR)
- 104.26.0.39
- 2606:4700:20::681a:27
- 2606:4700:20::ac43:46cd
- 2606:4700:20::681a:127
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
neil.ns.cloudflare.com dns.cloudflare.com 2398505951 10000 2400 604800 1800
Primary NS (mname)
neil.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398505951
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
neil.ns.cloudflare.com
yolanda.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:15.204.198.56 +ip4:51.81.9.101 +ip4:51.81.11.194 +ip4:88.202.188.63 +ip4:88.202.188.120 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +a +mx +ip4:15.204.198.56 +ip4:51.81.9.101 +ip4:51.81.11.194 +ip4:88.202.188.63 +ip4:88.202.188.120 include:spf.protection.outlook.com ~all
- MS=ms45296857
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