Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
acronym.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:19:19 UTC · ↺ Refresh
MX Hostnames
- acronym-com.mail.protection.outlook.com
MX Priorities
- acronym-com.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-01.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-01.azure-dns.net
ns3-01.azure-dns.org
ns4-01.azure-dns.info
ns1-01.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:38.122.245.96/29 ip4:172.93.11.64/27 include:spf.protection.outlook.com include:6402823.spf06.hubspotemail.net include:us._netblocks.mimecast.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; fo=1; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
14 records- ZOOM_verify_zbRwORN2SnS_BK8jsVzUAw
- apple-domain-verification=WDb2uXUtEBcZg95H
- SPFv=spf1 ip4:38.122.245.96/29 ip4:172.93.11.64/27 include:spf.protection.outlook.com include:6402823.spf06.hubspotemail.net include:us._netblocks.mimecast.com -all
- MS=ms40009170
- r3h5g7l21qlv9dggmgbjafi5qa
- e0a73d55e5289364a4e4ab222725c5ba
- atlassian-sending-domain-verification=a364994a-f61e-4aa7-8689-e10c3cf2062b
- JqicoIxSimSOa/TpnFrLx0M+rAKx9lQiikREUhKlnbVhfVuDS7VVyjEUoIZ5qgaz0XbUOe3997uzQS1doAXVSQ==
- slack-domain-verification=3X2Ogp2ESJ3qmKxjl6Oe332CeVSRNzbrYS1teqPR
- atlassian-domain-verification=V1QKQPV+kgE6SX6B2C3v4jMiGPVJkh6jpewXYzGKHHeJjFwV3dy5gDQU0K685J9D
- IO5ay7LRNYgb2pNqrNGo9aSepkOI8S0FsK8b/RgIUBzKGeGR3UFS/763WlF2etU0EFTWjABcG3eCpXKZj1HUZQ==
- FSYpseXFQbGDWPpPHw5k9xsd28iaRL5rU5YlJ0vFDtIAm/ZFsEkrICviMtH0pVRDf5xYZwVIWVwDu0lvJqjwUg==
- Ke5YEyFGg5T8774q6p+ycUzxxYWX9ueROLCHFDWOJYoqAwv2ZwgdEovESi/7pCEITN0gL96xEu8suy6o1pBcPg==
- HIkbiyL0c/QsfuDrOqJrJ0uum/Tt6e4w6qDx/rYVmD3yAeqzYLtuLLkjRPz9TEPaF8TTEOf+diDyPqkvbdVRzA==
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