Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
upc.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 18:08:19 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 147.83.2.135
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
SOA Record
Raw SOA
ns.upc.edu hostmaster.upcnet.es 2019140007 1800 900 1814400 7200
Primary NS (mname)
ns.upc.edu
Admin Email (rname)
hostmaster@upcnet.es
Serial
2019140007
Refresh
1800s
Retry
900s
Expire
1814400s
Minimum TTL
7200s
Nameservers (NS)
ns1.cesca.cat
ns1.upc.edu
ns2.upc.edu
ns2.cesca.cat
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf1main.upc.edu include:_spf1secondary.upc.edu include:_spf2lsi.upc.edu include:_spf4fib.upc.edu ?all
📊 DNS lookups: 4/10
? Neutral (?all) — no enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=0; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 0% of failing messages only
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 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
8 records- SPFv=spf1 include:_spf1main.upc.edu include:_spf1secondary.upc.edu include:_spf2lsi.upc.edu include:_spf4fib.upc.edu ?all
- 1687262495881
- brevo-code:1f3f68c59c45afb7f1aa82e0fa5f50c9
- facebook-domain-verification=njmvfgzqisovaytxj5f8up1ovvrf3q
- 1657696626453
- voje86dvmac5sh6b3s8fgdf179
- google-site-verification=qFT1lJveXpwibVv5f8M5BaDBWOhxDSjuvwfv_awou4Y
- MS=5F57EA05461D4811AEF4C3F8ED0F52F53DBD8A4B
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