um.es

Valid Email Server
Domain Lookup › um.es
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
um.es
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 03:41:17 UTC · ↺ Refresh

MX Hostnames

  • mx04.puc.rediris.es
  • mx03.puc.rediris.es

MX Priorities

No priority data.

A / AAAA Records

  • 155.54.212.103
  • 2001:720:1710:212::1:d

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

dns2.um.es
dns1.um.es

SPF Record

✓ Strict (-all)
v=spf1 include:spf.puc.rediris.es include:spf.protection.outlook.com ip4:155.54.212.160/28 ip4:155.54.211.128/28 ip6:2001:720:1710:601::/64 ip6:2001:720:1710:607::/64 a:mail.symposium.events -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 392 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

6 records
  • 1636711086872
  • MS=ms14083789
  • google-site-verification=1qcW0cUDcu_BgQmMWle_JPs30cNCmzepUYhICTR0IMM
  • google-gws-recovery-domain-verification=42333511
  • SPFv=spf1 include:spf.puc.rediris.es include:spf.protection.outlook.com ip4:155.54.212.160/28 ip4:155.54.211.128/28 ip6:2001:720:1710:601::/64 ip6:2001:720:1710:607::/64 a:mail.symposium.events -all
  • HARICA-1yT4Ui7PchIVljfyW4C
Full email verification for um.es

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits