sidn.es

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

Domain Overview

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

Checked via [email protected] · 2026-09-23 09:56:30 UTC · ↺ Refresh

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MX Hostnames

  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • 121fadcf6f5e139fb56c5a88214e1691b0024e21.msv1.invalid.sidn.es
  • alt1.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt4.aspmx.l.google.com: 10
  • alt2.aspmx.l.google.com: 5
  • 121fadcf6f5e139fb56c5a88214e1691b0024e21.msv1.invalid.sidn.es: 32767
  • alt3.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 103.23.61.119 ↩ sd04ww01.okitup.net

Mail Server IPs

  • 173.194.45.26 ↩ yuiadum-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 172.253.157.26 ↩ yubrupd-in-f26.1e100.net
  • 2a00:1450:400c:c23::1a ↩ yubrupd-in-f26.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net

SOA Record

Raw SOA ns01-sd04.okitup.net desarrollo.sidn.es 2026092207 7200 540 604800 3600
Primary NS (mname)
ns01-sd04.okitup.net
Admin Email (rname)
desarrollo@sidn.es
Serial
2026092207
Refresh
7200s
Retry
540s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns02.okitup.net
ns01-sd04.okitup.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a:sd01ww01.okitup.net a:sd04ww01.okitup.net a:sd07ww01.okitup.net include:_spf.google.com include:spf.mandrillapp.com include:spf.brevo.com ~all
📊 DNS lookups: 6/10
~ 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
mail._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

5 records
  • MS=121FADCF6F5E139FB56C5A88214E1691B0024E21
  • SPFv=spf1 a:sd01ww01.okitup.net a:sd04ww01.okitup.net a:sd07ww01.okitup.net include:_spf.google.com include:spf.mandrillapp.com include:spf.brevo.com ~all
  • brevo-code:b4a39d05c93b6f357d6588d71fd297d7
  • google-site-verification=1nUbk4U1ZoDy0mvX2IO5VQLDbYLYS7p67sHF82HQ81I
  • apple-domain-verification=-VKGqJQam_AhzLXvrOQwXHxfFkePlkS0OVkenX0NVNM
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