Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
opticauniversitaria.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 14:04:35 UTC · ↺ Refresh
MX Hostnames
- opticauniversitaria-es.mail.protection.outlook.com
MX Priorities
- opticauniversitaria-es.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.69.100 (no PTR)
- 104.26.7.33 (no PTR)
- 104.26.6.33
- 2606:4700:20::ac43:4564
- 2606:4700:20::681a:621
- 2606:4700:20::681a:721
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
eve.ns.cloudflare.com dns.cloudflare.com 2403413741 10000 2400 604800 1800
Primary NS (mname)
eve.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403413741
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kyrie.ns.cloudflare.com
eve.ns.cloudflare.com
SPF Record
✗ Invalid
v=spf1 ip4:78.46.46.208 ip4:88.99.210.34 ip4:81.61.138.17 ip4:52.208.21.161 include:spf.nsasp.net include:mailgun.org include:spf.protection.outlook.com a:production-optica-eu01.demandware.net include:spf.mandrillapp.com include:mandrillapp.com include:mail.zendesk.com include:eu-west-1.amazonses.com include:opticadelpenedes.es include:amazonses.com include:mailer.e-encuesta.com -all
📊 DNS lookups: 11/10
— over limit!
⚠ Too many DNS lookups (11/10) — SPF will fail validation. Reduce include: statements.
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; adkim=s; aspf=s; fo=0;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- apple-domain-verification=heFVFUirSEdY3nWx
- atlassian-domain-verification=WMbRsbY603k5tDwn8GzF2i7MEZcxSASs6gojZzYJNk9BKcIrYFm3kVDwAMjGB9Pf
- facebook-domain-verification=whm953u1jn73fmametiqcb18piu4d6
- google-site-verification=9NJjs52K-Z1Ar2c7O65wDPGs37TM4Hc7ZYWZzhIRDjA
- google-site-verification=KaZbh89MLXmX_7lOkItcyhl6GMPJ8bnC41LlyVfju38
- google-site-verification=WxLt9pTJ2EMih1kzoiYM01NocxyKpy4psZhEMxvk_kY
- mandrill_verify.70Tnf304ZEebrJmI7dnpqA
- openai-domain-verification=dv-gf1gFYTl6OzydGSCAPQAw1aj
- SPFv=spf1 ip4:78.46.46.208 ip4:88.99.210.34 ip4:81.61.138.17 ip4:52.208.21.161 include:spf.nsasp.net include:mailgun.org include:spf.protection.outlook.com a:production-optica-eu01.demandware.net include:spf.mandrillapp.com include:mandrillapp.com include:mail.zendesk.com include:eu-west-1.amazonses.com include:opticadelpenedes.es include:amazonses.com include:mailer.e-encuesta.com -all
- 3n3h1qqrrydw35cpp8w0175bchwqhldk
- MS=ms35365892
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