Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lifeextension.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:17:38 UTC · ↺ Refresh
MX Hostnames
- lifeextension-com.mail.protection.outlook.com
MX Priorities
- lifeextension-com.mail.protection.outlook.com: 0
A / AAAA Records
- 96.46.253.42 (no PTR)
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010850 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010850
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns1.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns0.dnsmadeeasy.com
ns3.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.fl.lifeextension.com include:spf.lv.lifeextension.com include:spf.nj.lifeextension.com include:spf.mail.lefbc.com include:spf.sendgrid.lifeextension.com include:_spf.qualtrics.com ip4:130.248.128.0/24 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; adkim=s; aspf=s; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
5 records- duo_sso_verification=oGUdoSzxnHWj9HZ09evO3Y6uRHr4icEtFM54mA0443P57n9DchWOonZ2BqqI0xf4
- SPFv=spf1 include:spf.protection.outlook.com include:spf.fl.lifeextension.com include:spf.lv.lifeextension.com include:spf.nj.lifeextension.com include:spf.mail.lefbc.com include:spf.sendgrid.lifeextension.com include:_spf.qualtrics.com ip4:130.248.128.0/24 -all
- atlassian-domain-verification=GxvwVyRqW8fTWwwCLfTbAVN3BzdgC9tGn4xlLmhYUs2jR2TvsJLjROfvoCeTIXq/
- onetrust-domain-verification=97bf5ca7a62b4f54969b15f7a32d41d5
- zlg5Et2zTW5mY/vZIduP3nAWBvbSXV+oiKBaiHG6EnfuflXeDhKY2OlsGK4z5dSSWMQrJ2KzNHJmTyqawTPczg==
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