Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isc-cx.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 08:58:15 UTC · ↺ Refresh
MX Hostnames
- isccx-com0i.mail.protection.outlook.com
MX Priorities
- isccx-com0i.mail.protection.outlook.com: 10
A / AAAA Records
- 195.242.206.10 (no PTR)
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.infra.net hostmaster.infra.net 2026020901 10000 2500 864000 40000
Primary NS (mname)
ns01.infra.net
Admin Email (rname)
hostmaster@infra.net
Serial
2026020901
Refresh
10000s
Retry
2500s
Expire
864000s
Minimum TTL
40000s
Nameservers (NS)
ns02.infra.net
ns01.infra.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:46.234.239.0/24 ip4:92.246.243.83 ip4:81.92.160.26 ip4:37.186.132.201 include:spf.internationalservicecheck.com include:_spf.survmail.com include:spf.mandrillapp.com include:spf.infra.net include:spf.protection.outlook.com include:_spf.elasticemail.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=r;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 a mx ip4:46.234.239.0/24 ip4:92.246.243.83 ip4:81.92.160.26 ip4:37.186.132.201 include:spf.internationalservicecheck.com include:_spf.survmail.com include:spf.mandrillapp.com include:spf.infra.net include:spf.protection.outlook.com include:_spf.elasticemail.com -all
- ms=ms16960186
- asv=7c151f55a68013e1bd3d2ae80a291b75
Full email verification for isc-cx.com
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