Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
checksammy.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 02:11:20 UTC · ↺ Refresh
MX Hostnames
- checksammy-com.mail.protection.outlook.com
MX Priorities
- checksammy-com.mail.protection.outlook.com: 0
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
SOA Record
Raw SOA
bob.ns.cloudflare.com dns.cloudflare.com 2399730980 10000 2400 604800 1800
Primary NS (mname)
bob.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399730980
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
bob.ns.cloudflare.com
zariyah.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf.salesforce.com include:spf.mandrillapp.com include:zcsend.net include:sendgrid.net include:23660945.spf08.hubspotemail.net ip4:149.72.132.171 ip4:149.72.38.162 ip4:198.37.144.16 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
9 records- linear-domain-verification=2349bfbtkrhj
- notion-domain-verification=TZ8lS3BAEZUoqCE8ghqamb43CfJGWBYfIdWH2rjvS6J
- stytch_verification_dns=loud-change-6132
- SPFv=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf.salesforce.com include:spf.mandrillapp.com include:zcsend.net include:sendgrid.net include:23660945.spf08.hubspotemail.net ip4:149.72.132.171 ip4:149.72.38.162 ip4:198.37.144.16 -all
- apple-domain-verification=LgIr1FjPLfbqlaWG
- google-site-verification=Ep8QSNym0MbsUhjk1cmOrgkGwHhqni2gAnzu0mjytjA
- have-i-been-pwned-verification=607e958746c11fac9d9ac83313ac9290
- have-i-been-pwned-verification=64a6bdb12d3b71e8f53c56f961b15769
- have-i-been-pwned-verification=dweb_xugxa6zuxufmtau820i11akg
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