Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
siren.io
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 01:16:49 UTC · ↺ Refresh
MX Hostnames
- aspmx3.googlemail.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- aspmx2.googlemail.com
- alt2.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 20
- aspmx2.googlemail.com: 30
- aspmx3.googlemail.com: 30
- aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 20
A / AAAA Records
- 95.216.219.103 ↩ web2.siren.io
- 2a01:4f9:c010:3673::1 ↩ web2.siren.io
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ops.siren.io renaud.sindicetech.com 2026030401 3600 14400 1209600 300
Primary NS (mname)
ops.siren.io
Admin Email (rname)
renaud@sindicetech.com
Serial
2026030401
Refresh
3600s
Retry
14400s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailout.siren.io include:_spf.google.com include:6939225.spf05.hubspotemail.net include:sendgrid.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 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
6 records- SPFv=spf1 include:mailout.siren.io include:_spf.google.com include:6939225.spf05.hubspotemail.net include:sendgrid.net ~all
- MS=ms65921985
- MS=ms79248669
- apple-domain-verification=cUnCo2OmCRr1KTqR
- google-site-verification=0V7C4a79KQ5TgveX4LWZ5AefnakpRKie4dFJzWLSt6o
- google-site-verification=wDpw0x9n2Jx_cLKhFDTP84PCuGnobcAvF3-_m7a2mkw
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