proton.se

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
proton.se
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-27 20:52:54 UTC · ↺ Refresh

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MX Hostnames

  • proton-se.mail.protection.outlook.com

MX Priorities

  • proton-se.mail.protection.outlook.com: 10

A / AAAA Records

  • 162.159.134.42 (no PTR)

Mail Server IPs

  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.loopia.se registry.loopia.se 1784764800 14400 3600 604800 86400
Primary NS (mname)
ns1.loopia.se
Admin Email (rname)
registry@loopia.se
Serial
1784764800
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.loopia.se
ns2.loopia.se

SPF Record

✓ Strict (-all)
v=spf1 ip4:212.28.207.16/28 ip4:194.132.118.170 ip4:213.157.70.68 ip4:77.105.230.107 ip4:213.157.70.73 ip4:217.10.96.54 ip4:212.37.105.15 ip4:212.37.105.26 include:spf.protection.outlook.com include:spf.messagelabs.com include:servers.mcsv.net include:spf-eu.emailsignatures365.com ip4:194.71.224.128/25 include:_spf.mailgun.org include:_spf.eu.mailgun.org -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

5 records
  • SPFv=spf1 ip4:212.28.207.16/28 ip4:194.132.118.170 ip4:213.157.70.68 ip4:77.105.230.107 ip4:213.157.70.73 ip4:217.10.96.54 ip4:212.37.105.15 ip4:212.37.105.26 include:spf.protection.outlook.com include:spf.messagelabs.com include:servers.mcsv.net include:spf-eu.emailsignatures365.com ip4:194.71.224.128/25 include:_spf.mailgun.org include:_spf.eu.mailgun.org -all
  • nylwkdsvs1npgvbbvxz5jl4mmtgshn5s
  • google-site-verification=-ZgE5N4tvV1N8rY617CkEZj5RLKrP8mA0m2QzoDHyGQ
  • google-site-verification=FrLgARx-SYGOwtZ2u9BpmNMgZpB5t6EYiME9nRZwqP0
  • apple-domain-verification=QxdG0ofKi05SEKrv
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