Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
libtax.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 17:25:55 UTC · ↺ Refresh
MX Hostnames
- libtax-com.mail.protection.outlook.com
MX Priorities
- libtax-com.mail.protection.outlook.com: 10
A / AAAA Records
- 216.54.28.50 ↩ ip-216-54-28-50.coxfiber.net
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns57.worldnic.com namehost.worldnic.com 126031808 10800 3600 604800 3600
Primary NS (mname)
ns57.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031808
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns58.worldnic.com
ns57.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mail.gw01.zoeysite.com ip4:134.170.202.31 ip4:209.249.129.22 ip4:172.172.221.43 ip4:20.127.161.138 ip4:20.84.107.149 ip4:20.102.88.55 ip4:20.246.229.129 ip4:135.237.123.139 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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- apple-domain-verification=bSSfLqOBBLkaCVv0
- nBJE4cDd/ct+ncoqL67BYDX3Ke77zfRVf9QufJW4A5dqwJLuN548VdVbYbTEEjU+rc9qjZplYBFqxChOkSZJRg==
- v=spf2.0/pra ip4:216.54.28.0/24 include:amazonses.com ?all
- bw=FID4FgEee11h7tAFg0xuPGZLBcEjl3T00zEkwBqdRNp7
- openai-domain-verification=dv-30UgCYAwPBoJadU5MQpcAN4t
- cursor-domain-verification-eyczwm=TBjkNCfemUYEefIo2sMoymEkp
- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mail.gw01.zoeysite.com ip4:134.170.202.31 ip4:209.249.129.22 ip4:172.172.221.43 ip4:20.127.161.138 ip4:20.84.107.149 ip4:20.102.88.55 ip4:20.246.229.129 ip4:135.237.123.139 -all
- _9krx5tc58w5t6p9qawy74zu24fzl8e1
- have-i-been-pwned-verification=8fcd353843694f4c9118a9cdf8fcd7c4
- apple-domain-verification=Q9h1WdHs50WJ8taQ
- google-site-verification=_qP9xAtdLtUeg14VNPmtHV29fmCTSQlt-s1OW2PBG0M
- xxfl3rh2wzp37z2l5w23qtvg1b2trqnv
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