Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
markiiisys.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 21:05:50 UTC · ↺ Refresh
MX Hostnames
- markiiisys-com.u-v1.mx.microsoft
MX Priorities
- markiiisys-com.u-v1.mx.microsoft: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-07.azure-dns.org
ns4-07.azure-dns.info
ns1-07.azure-dns.com
ns2-07.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.249.114.64/28 ip4:167.89.98.146 ip4:170.203.119.96/29 ip6:2606:a300:1000:100::/56 include:spf.protection.outlook.com include:include:1686797.spf01.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
8 records- aXvSvnDewywAQOYTUCbS9dX6rfth0paZDeZgqzA5UizULunUnu8/bKDIaLQL+jwvP134vIOkdmi8v64HzmMfDQ==
- kvqj4pifpdf8dcmbmtocpj4h8g
- google-site-verification=Ck_rf7gHlaB9ByuYfiYQiMu9gkJeZkMraQjesIoVfvs
- thjurp9p9d5lgjj2paab8dmpkt
- google-gws-recovery-domain-verification=65236064
- SPFv=spf1 ip4:66.249.114.64/28 ip4:167.89.98.146 ip4:170.203.119.96/29 ip6:2606:a300:1000:100::/56 include:spf.protection.outlook.com include:include:1686797.spf01.hubspotemail.net -all
- MS=ms94301049
- 1as77af20ihsrk0dc22bof6en5
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