kumon.es

Valid Email Server
Domain Lookup › kumon.es

Domain Overview

DNS: ✓ just now Checker: ✓ just now
kumon.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-23 11:23:10 UTC · ↺ Refresh

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MX Hostnames

  • kumon-es.mail.protection.outlook.com

MX Priorities

  • kumon-es.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.201.249.90 (no PTR)

Mail Server IPs

  • 52.101.181.156 ↩ mail-wa4pr05cu00104.inbound.protection.outlook.com
  • 52.101.91.159 ↩ mail-matpr04cu00207.inbound.protection.outlook.com
  • 52.101.209.153 ↩ mail-cpjpr04cu00101.inbound.protection.outlook.com
  • 52.101.185.114 ↩ mail-zrxpr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::10 ↩ mail-matpr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::12 ↩ mail-miypr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::10 ↩ mail-miypr05cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1107.ui-dns.biz hostmaster.1and1.es 2017071436 28800 7200 604800 300
Primary NS (mname)
ns1107.ui-dns.biz
Admin Email (rname)
hostmaster@1and1.es
Serial
2017071436
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1107.ui-dns.com
ns1107.ui-dns.biz
ns1107.ui-dns.org
ns1107.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:146.177.0.243 ip4:18.134.165.231 ip4:52.56.102.65 ip4:18.169.185.133 ip4:146.177.0.242 ip4:18.135.205.138 ip4:178.251.171.136 ip4:194.176.218.218 ip4:18.134.165.231 ip4:18.169.185.133 ip4:52.56.102.65 ip4:194.176.218.194 include:eu.zcsend.net include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=reject; pct=100; fo=1; ri=84600; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • _db9daf248867468142ea016a63831c3a.kumon.es CNAME 3c44f9ce7f8d8d1cb650d837267b2721.0fe5f59d1bd4eb56ae43a8c0a3bbb8b5.fix9876fj7fehy0vywnv.comodoca.com.
  • google-site-verification=GFSwWd2A9H9o5T6yaGEH4eNd-Wg9m6azsax9ES0jFmE
  • SPFv=spf1 ip4:146.177.0.243 ip4:18.134.165.231 ip4:52.56.102.65 ip4:18.169.185.133 ip4:146.177.0.242 ip4:18.135.205.138 ip4:178.251.171.136 ip4:194.176.218.218 ip4:18.134.165.231 ip4:18.169.185.133 ip4:52.56.102.65 ip4:194.176.218.194 include:eu.zcsend.net include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
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