Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sostereo.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 14:10:03 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 108.139.47.100
- 108.139.47.22
- 108.139.47.45
- 108.139.47.5
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
ns-2027.awsdns-61.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-2027.awsdns-61.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-2027.awsdns-61.co.uk
ns-692.awsdns-22.net
ns-101.awsdns-12.com
ns-1311.awsdns-35.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:transmail.net include:servers.mcsv.net include:46320836.spf06.hubspotemail.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- openai-domain-verification=dv-N75rx6Kmw53QJcQ6JyYKWQTD
- SPFv=spf1 include:_spf.google.com include:transmail.net include:servers.mcsv.net include:46320836.spf06.hubspotemail.net ~all
- google-site-verification=M9G7IG5l7QnIGQizCYGn9FkqCrwMfUkjgijmzCuT8Ao
- google-site-verification=NhsDv6PfOk24uUZ5z553WS8_VxEhJ4PqjEyFWBOCQEM
- google-site-verification=bnsJhUvB-pqszOKJy0s90YXatqq39SdMxwQNPUaEZYg
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