Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sirenta.com
Yes
✓ Yes
Yahoo
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 23:38:51 UTC · ↺ Refresh
MX Hostnames
- mx1.mail.yahoo.com
- mx2.mail.yahoo.com
- sirenta-com.mail.protection.outlook.com
MX Priorities
- mx2.mail.yahoo.com: 5
- sirenta-com.mail.protection.outlook.com: 0
- mx1.mail.yahoo.com: 1
A / AAAA Records
- 3.171.139.45
- 3.171.139.39
- 3.171.139.47
- 3.171.139.35
- 2600:9000:28b2:ca00:1a:bc7f:ee80:93a1
- 2600:9000:28b2:5e00:1a:bc7f:ee80:93a1
- 2600:9000:28b2:1600:1a:bc7f:ee80:93a1
- 2600:9000:28b2:d600:1a:bc7f:ee80:93a1
- 2600:9000:28b2:3800:1a:bc7f:ee80:93a1
- 2600:9000:28b2:8400:1a:bc7f:ee80:93a1
- 2600:9000:28b2:2c00:1a:bc7f:ee80:93a1
- 2600:9000:28b2:a600:1a:bc7f:ee80:93a1
Mail Server IPs
- 206.190.53.191 ↩ unknown.yahoo.com
- 216.39.53.3 ↩ unknown.yahoo.com
- 216.39.53.2 ↩ unknown.yahoo.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b
- 66.196.97.250
SOA Record
Raw SOA
ns-1761.awsdns-28.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1761.awsdns-28.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1152.awsdns-16.org
ns-1761.awsdns-28.co.uk
ns-177.awsdns-22.com
ns-987.awsdns-59.net
SPF Record
✓ Strict (-all)
v=spf1 include:secureserver.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
4 records- brevo-code:ff73cffa5af3bc5c2f1a0ab7038d5443
- DKIMv=DKIM1;t=s;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDdYosB5iXb7hJFzTpekgYRJ5356o6bhMLPSGkBsj3Q5hJjPMtuIs4onzOnR6S4XvQyTViXXQVOYVEuIzXBZrYtscW9HO6m9RDjmKqupgaingd736icsiyNjX+o7njlWJ0y/f7KND2CkGyXiGfy7mUS4RbvBbCSuyo9zyqrxi72AwIDAQAB
- SPFv=spf1 include:secureserver.net -all
- MS=ms51687940
Full email verification for sirenta.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits