Domain Overview
DNS: ✓ 5h ago
Checker: ✓ 5h ago
dcnmadrid.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 04:53:59 UTC · ↺ Refresh
MX Hostnames
- dcnmadrid-com.mail.protection.outlook.com
MX Priorities
- dcnmadrid-com.mail.protection.outlook.com: 5
A / AAAA Records
- 217.76.128.35 ↩ hosting01.servidoresdns.net
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
SOA Record
Raw SOA
dns27.servidoresdns.net hostmaster.servidoresdns.net 2018012008 21600 3600 2419200 60
Primary NS (mname)
dns27.servidoresdns.net
Admin Email (rname)
hostmaster@servidoresdns.net
Serial
2018012008
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
60s
Nameservers (NS)
dns27.servidoresdns.net
dns28.servidoresdns.net
SPF Record
✓ Strict (-all)
v=spf1 a include:_spf_euwest1.prod.hydra.sophos.com include:spf.protection.outlook.com include:spf.app.jaggaer.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:spf.sendinblue.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=s;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
mail._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- sophos-domain-verification=67e48b25f944a89af19e47e01d5f5a2476b16930
- google-site-verification=xO_1ZbruvOr18d7cXDCwYfSr8a1ZHR1BWyXywG8o4Ms
- have-i-been-pwned-verification=71df6e8e429a13340bb7a315d6d73f22
- Sendinblue-code:62e7fd1f5b0f8d32e9d616f3f128e123
- MS=35AB87D4D951C2F58378BB90A0B3695A42235BC2
- SPFv=spf1 a include:_spf_euwest1.prod.hydra.sophos.com include:spf.protection.outlook.com include:spf.app.jaggaer.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:spf.sendinblue.com -all
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