Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biothera.me
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:39:45 UTC · ↺ Refresh
MX Hostnames
- biothera.me
MX Priorities
- biothera.me: 0
A / AAAA Records
- 172.232.197.9 ↩ 172-232-197-9.ip.linodeusercontent.com
Mail Server IPs
- 172.232.197.9 ↩ 172-232-197-9.ip.linodeusercontent.com
SOA Record
Raw SOA
ns1.serverhostgroup.com info.host4us.net 2026031501 3600 1800 1209600 86400
Primary NS (mname)
ns1.serverhostgroup.com
Admin Email (rname)
info@host4us.net
Serial
2026031501
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.serverhostgroup.com
ns1.serverhostgroup.com
ns3.serverhostgroup.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:172.232.206.251 include:relay.mailchannels.net +ip4:172.232.197.9 +ip4:185.250.107.153 +ip4:91.195.98.196 +ip4:91.195.98.196 +ip4:184.95.46.74 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 +a +mx +ip4:172.232.206.251 include:relay.mailchannels.net +ip4:172.232.197.9 +ip4:185.250.107.153 +ip4:91.195.98.196 +ip4:91.195.98.196 +ip4:184.95.46.74 ~all
- google-site-verification=D1TCGLjsLGlAzSFrzkUbEyKFu0eM8kDifbc2u2t7jYQ
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