Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
butler.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 02:07:22 UTC · ↺ Refresh
MX Hostnames
- baa.mail.protection.office365.us
MX Priorities
- baa.mail.protection.office365.us: 0
A / AAAA Records
- 195.35.39.235 (no PTR)
Mail Server IPs
- 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
- 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
- 2001:489a:2202:4::10 ↩ mail-bn3usg020010.inbound.protection.outlook.com
- 2001:489a:2202:5::10 ↩ mail-cy1usg020010.inbound.protection.outlook.com
SOA Record
Raw SOA
ns57.worldnic.com namehost.worldnic.com 126030507 10800 3600 604800 3600
Primary NS (mname)
ns57.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030507
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.office365.us include:_spf.bullhornmail.com include:sendgrid.net include:amazonses.com ip4:170.146.220.100 ip4:170.146.220.101 ip4:170.146.220.102 ip4:170.146.220.103 ip4:170.146.220.104 ip4:170.146.220.105 ip4:170.146.221.100 ip4:170.146.221.101 ip4:170.146.221.102 ip4:170.146.221.103 ip4:170.146.221.104 ip4:170.146.221.105 ip4:54.76.25.158 ip4:34.249.135.163 ip4:34.242.150.135 ip4:24.104.159.18 ip4:134.6.227.2 ip4:143.170.65.226 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- SPFv=spf1 include:spf.protection.office365.us include:_spf.bullhornmail.com include:sendgrid.net include:amazonses.com ip4:170.146.220.100 ip4:170.146.220.101 ip4:170.146.220.102 ip4:170.146.220.103 ip4:170.146.220.104 ip4:170.146.220.105 ip4:170.146.221.100 ip4:170.146.221.101 ip4:170.146.221.102 ip4:170.146.221.103 ip4:170.146.221.104 ip4:170.146.221.105 ip4:54.76.25.158 ip4:34.249.135.163 ip4:34.242.150.135 ip4:24.104.159.18 ip4:134.6.227.2 ip4:143.170.65.226 -all
- fnd6sxlw8dmm8ejgwxd3
- webexdomainverification.LCYF=142249f5-f70c-4cdc-8611-27df26ee9f2b
- duo_sso_verification=I3BfxdRH5qKthLFkletJWwWnttm93ZycrI7Sw1gsxOzjIdIzCqvFcu0ZN6M70e6v
- cisco-ci-domain-verification=1c1a1ce0e57207e1f8eb25314f5eaa5d252415455ad8290080c7c96186508dc7
- google-site-verification=IC4rNgNTCY7HOZcyxVpVAa8Ny9lsP0yjOpxjhGQji7Q
- rGEy+2Azhfjex0jk6HJKPooDMOSHg0n5Wi2OOU5vL5TjQ1rCFTO9RnlPfxFNzYNztKQ5uSGY3kG9Xe5mux6dEg==
- MS=D4880E4B3EFF9DDBD15FAAD1BEE3F1ABE0A28930
- MS=ms57130775
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