Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
asm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 04:23:47 UTC · ↺ Refresh
MX Hostnames
- mx5.asm.com
- asm-com.mail.protection.outlook.com
- mx3.asm.com
- mx4.asm.com
- mx2.asm.com
- mx1.asm.com
MX Priorities
- mx4.asm.com: 220
- mx5.asm.com: 220
- mx1.asm.com: 220
- asm-com.mail.protection.outlook.com: 5
- mx2.asm.com: 215
- mx3.asm.com: 220
A / AAAA Records
- 20.105.232.9 (no PTR)
Mail Server IPs
- 122.216.15.73 (no PTR)
- 203.125.233.12 ↩ mx5.asm.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 8.10.167.2 ↩ mx6.asm.com
SOA Record
Raw SOA
cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 388 83000 10000 600000 300
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
388
Refresh
83000s
Retry
10000s
Expire
600000s
Minimum TTL
300s
Nameservers (NS)
cmtu.mt.ns.els-gms.att.net
cbru.br.ns.els-gms.att.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com mx a:mx1.asm.com a:mx2.asm.com a:mx3.asm.com a:mx4.asm.com a:mx5.asm.com ip4:203.125.233.4 ip4:90.145.208.98 ip4:52.5.134.202 include:em1977.asm.com include:_spf.salesforce.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- MS=46C13D2CC998A4941AF17F9BC770A79E86277E51
- +KuhWgqhO9poe9ZCRdnluJ6mnpH+ysGhdY+Ku5CwGNRN85SjsPGxPMKChHE19SWxX24u4mVbXRG1YAKoI78uiw==
- SPFv=spf1 include:spf.protection.outlook.com mx a:mx1.asm.com a:mx2.asm.com a:mx3.asm.com a:mx4.asm.com a:mx5.asm.com ip4:203.125.233.4 ip4:90.145.208.98 ip4:52.5.134.202 include:em1977.asm.com include:_spf.salesforce.com -all
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