Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
americansystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 00:28:39 UTC · ↺ Refresh
MX Hostnames
- americansystems-com.mail.protection.outlook.com
MX Priorities
- americansystems-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.49.23.145 (no PTR)
- 198.185.159.144 (no PTR)
- 198.49.23.144
- 198.185.159.145
Mail Server IPs
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-334.awsdns-41.com awsdns-hostmaster.amazon.com 2018032701 7200 900 1209600 86400
Primary NS (mname)
ns-334.awsdns-41.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2018032701
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1218.awsdns-24.org
ns-1581.awsdns-05.co.uk
ns-334.awsdns-41.com
ns-921.awsdns-51.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
12 records- google-gws-recovery-domain-verification=65114990
- google-site-verification=BDWKj_jZA9wH95YgJhPXygO-qz2MNf-z-MHmHXNgJRY
- h1-domain-verification=aTUVYY4qGiwEMmfpDGKhYbK124DmyKsg63hAv7UCowvmktL2
- have-i-been-pwned-verification=dweb_4fs6bk542zd4rzyyd877ohe9
- iSBRZpfERPwh21X5CskW8qccIUiLDPMNeUUFggpsz3vfTMI09PRdEKM39ACqD4M26A0Q2shulk5gvILjg4xVfQ==
- SPFv=spf1 include:spf.protection.outlook.com -all
- BPJMkd6t8Wghvem-jT-tYkxfGCU
- MS=ms23226765
- adobe-idp-site-verification=ce75ad6bda4cfa52a93297d8b86394c50c5ecf0e24f113275a19c941577204a8
- apple-domain-verification=37fG7YJMJg7IG7dz
- dtm-domain-verification=YBv3wwGP13QQXrwL_zh0BBiCcOImI_xnXDwxF0Jcafs
- duo_sso_verification=gSut1LHhMp3mc9TVUGxojX1IhQi0Pz0Bud13veWWDEQShdGYlHABn1KNl71V1cIB
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