mastek.com

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
mastek.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 15:25:08 UTC · ↺ Refresh

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MX Hostnames

  • mastek-com.mail.protection.outlook.com

MX Priorities

  • mastek-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.26.5.72 (no PTR)
  • 172.67.73.148 (no PTR)
  • 104.26.4.72 (no PTR)
  • 2606:4700:20::681a:548 (no PTR)
  • 2606:4700:20::681a:448
  • 2606:4700:20::ac43:4994

Mail Server IPs

  • 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA lee.ns.cloudflare.com dns.cloudflare.com 2403857735 10000 2400 604800 1800
Primary NS (mname)
lee.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403857735
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

norah.ns.cloudflare.com
lee.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:166.78.71.191/32 ip4:121.242.84.5 ip4:213.131.182.34 a:mastek.com mx:mastek.com include:spf.protection.outlook.com include:msgfocus.com include:_spf-dc44.sapsf.com include:501686.spf03.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r; rf=afrf; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • SPFv=spf1 ip4:166.78.71.191/32 ip4:121.242.84.5 ip4:213.131.182.34 a:mastek.com mx:mastek.com include:spf.protection.outlook.com include:msgfocus.com include:_spf-dc44.sapsf.com include:501686.spf03.hubspotemail.net -all
  • anthropic-domain-verification-060a1g=RAROe20YBqfnzJUBN0HRKlZks
  • google-site-verification=D1Q8LqXIsjfq-H0hYElCR5s4hXJr6E_rwO01dboK9DA
  • successfactors-site-verification=NDFkMDdmNGQ2YjYwNmRjZDAzNzE0YjM0NDIxYzg1ZjY3MWYxN2NmNGUwODFhYWNmZDRlODE1YjhlNWQwOGJiMQ==
  • DMARCv=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r; rf=afrf; rua=mailto:[email protected]; ruf=mailto:[email protected]
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