Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tfhd.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 17:46:37 UTC · ↺ Refresh
MX Hostnames
- mx1.hc5783-39.iphmx.com
- mx2.hc5783-39.iphmx.com
MX Priorities
- mx1.hc5783-39.iphmx.com: 10
- mx2.hc5783-39.iphmx.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 216.71.145.98 ↩ esa1.hc5783-39.iphmx.com
- 216.71.154.91 ↩ esa2.hc5783-39.iphmx.com
SOA Record
Raw SOA
cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 145 86400 10000 604800 86400
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
145
Refresh
86400s
Retry
10000s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
cmtu.mt.ns.els-gms.att.net
cbru.br.ns.els-gms.att.net
SPF Record
✓ Soft Fail (~all)
v=spf1 exists:%{i}.spf.hc5783-39.iphmx.com MX IP4:170.29.1.40 IP4:170.29.144.40 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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
✓ 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- DKIMv=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJgNQy0gDtbpcT/4T4NgQR+7FT411pGSYx9kHtpxNI4d9Fdwc9xGqt4TbtRyUpPk5AbeuYFQUEFxqBUSJmSyHuHG2MRJqZyDEg5OnK1ZMugrR0176V0XeBPcU8wUhXQQRtbVPIC23HgE6XiegPln5BXRzm/xVMRQXr78xgkyDqVQIDAQAB;
- duo_sso_verification=jnisxf6b33CGrGDQdJsLiuRNTl9pYKdfboaaUfA2GxycZ2Mwe2tVBriFC7M06t6q
- SPFv=spf1 exists:%{i}.spf.hc5783-39.iphmx.com MX IP4:170.29.1.40 IP4:170.29.144.40 include:spf.protection.outlook.com ~all
- Kb2Ev4Ki2Ls2OwZt344/z3Z4DApIbxtVa3Ud7AN5nPuR1ZuplOpvUQp5QQZghEVb2U4nN+833h9+cTxxaemHHg==
- MS=48B40DF74074D33B489C864EBD9E693B4F337C64
Full email verification for tfhd.com
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