Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swbc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 13:06:29 UTC · ↺ Refresh
MX Hostnames
- imail4.swbc.com
- imail2.swbc.com
- imail.swbc.com
- imail3.swbc.com
MX Priorities
- imail3.swbc.com: 10
- imail4.swbc.com: 10
- imail.swbc.com: 10
- imail2.swbc.com: 10
A / AAAA Records
- 144.86.200.29 (no PTR)
Mail Server IPs
- 144.86.200.12 ↩ imail3.swbc.com
- 144.86.201.12 ↩ imail4.swbc.com
- 144.86.200.33 ↩ imail.swbc.com
- 144.86.201.33 ↩ imail2.swbc.com
SOA Record
Raw SOA
ns-1289.awsdns-33.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1289.awsdns-33.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1872.awsdns-42.co.uk
ns-570.awsdns-07.net
ns-58.awsdns-07.com
ns-1289.awsdns-33.org
SPF Record
✓ Strict (-all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ 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: 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
16 records- docusign=3b85e379-88dd-467e-a926-0b63f700d89a
- dropbox-domain-verification=zfnl30f0qhnk
- google-site-verification=H1jnnaibwsEYIbWIdeOTGU6M95DgXm7bHQ3IUeaTr2c
- google-site-verification=g_tMYev6QAw0w3QEVwWvNBaRAHmAnuND9jqYXLVEXys
- google-site-verification=ttFrTyLfEft4Gvz9UKB2W3tlz40jpUwqWdxo1RVzh_A
- jamf-site-verification=j95m9VZlGd1ulrCptB68UA
- nyk411m3tx03ckl7ms27l1pr2vrfgskz
- pht4qn13q337ggjnw9ng00fz422lb6f3
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
- 2t0kcxpbx786kyftgtyhdrhxh75h7q87
- _gnlh8sp79p4yo0t55c74wcgx635vx8r
- adobe-idp-site-verification=f96a977be3e1d18eebd4ddd50434eef4891f1028f1771f4409e048b1a9fd281d
- apple-domain-verification=72qLwJaadtgVqPxR
- atlassian-domain-verification=7EHkHaybuBcLxVZvbpkoMgmQ9oap6xGbLXqAn7TDsgRMUzbSRTEX/JdyxX4g2Xfg
- atlassian-domain-verification=E7IFE7ke4UpMCKcpAMH4snTwBdoMtsdOChG9CVkEwDG5NwLBAppZKiTYfZiaAuuc
- atlassian-sending-domain-verification=f4fa0295-da9b-475b-aa25-5e7753c7c499
Full email verification for swbc.com
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