Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
frontiersoftware.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 13:13:11 UTC · ↺ Refresh
MX Hostnames
- frontiersoftware-com.mail.protection.outlook.com
MX Priorities
- frontiersoftware-com.mail.protection.outlook.com: 0
A / AAAA Records
- 13.238.39.211 ↩ ec2-13-238-39-211.ap-southeast-2.compute.amazonaws.com
Mail Server IPs
- 52.101.151.5 ↩ mail-meupr01cu00305.inbound.protection.outlook.com
- 52.101.149.2 ↩ mail-sy5pr01cu00902.inbound.protection.outlook.com
- 52.101.149.9 ↩ mail-sy2pr01cu00501.inbound.protection.outlook.com
- 52.101.149.0 ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com
- 2a01:111:f403:cc31::3 ↩ mail-sy2pr01cu00503.inbound.protection.outlook.com
- 2a01:111:f403:cc31:: ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com
- 2a01:111:f403:cc31::1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
- 2a01:111:f403:cc33:: ↩ mail-meupr01cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.bt.net hostmaster.bt.net 2005112237 28800 7200 604800 86400
Primary NS (mname)
ns0.bt.net
Admin Email (rname)
hostmaster@bt.net
Serial
2005112237
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.bt.net
ns0.bt.net
ns2.bt.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a ip4:81.134.147.34 ip4:85.133.0.218 ip4:85.133.11.186 ip4:116.212.228.62 ip4:3.24.189.147 include:25939368.spf02.hubspotemail.net include:mailgun.org include:spf.protection.outlook.com include:spf.exclaimer.net include:spf.smtp2go.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; pct=100; ri=86400; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
9 records- apple-domain-verification=96je97Zvs1YDbgyU
- SPFv=spf1 a ip4:81.134.147.34 ip4:85.133.0.218 ip4:85.133.11.186 ip4:116.212.228.62 ip4:3.24.189.147 include:25939368.spf02.hubspotemail.net include:mailgun.org include:spf.protection.outlook.com include:spf.exclaimer.net include:spf.smtp2go.com ~all
- MS=ms24765444
- MS=ms36088834
- p4w2kqp76010swbhybxhrzcf07vq9r0y
- b6783b49-b892-4439-97dd-672ff71ceae1-frontiersoftware.com
- MS=ms86249033
- atlassian-domain-verification=0W0k6dDWHBhxGZSuupyl1BrzlBp641w0pZuE1H0Dh48LfozX3rc4icMIdNKlXSVT
- docker-verification=4b6d3ab9-8f37-4a79-8ecf-860bdb9edfb8
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