Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ucm.es
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 01:27:01 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx.l.google.com
- aspmx3.googlemail.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 147.96.2.159 ↩ ucm.es
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ucdns.sis.ucm.es hostmaster.ucm.es 2026032001 28800 7200 1209600 3600
Primary NS (mname)
ucdns.sis.ucm.es
Admin Email (rname)
hostmaster@ucm.es
Serial
2026032001
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ucdns.sis.ucm.es
crispin.sim.ucm.es
sun.rediris.es
chico.rediris.es
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:147.96.0.0/16 ip4:212.92.58.196 include:_spf.google.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
dkim._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
3 records- SPFv=spf1 ip4:147.96.0.0/16 ip4:212.92.58.196 include:_spf.google.com include:spf.protection.outlook.com ~all
- Foxit-domain-verification=1d9c3fc27c579cddb99109248a2f6f31
- google-site-verification=Gc6BSaG8MM1D2mfqZQYgdQzhjC7SHqC2D0QTua7PxQI
Full email verification for ucm.es
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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