webstar.ch

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
webstar.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-11 23:09:20 UTC · ↺ Refresh

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MX Hostnames

  • webstar-ch.mail.protection.outlook.com

MX Priorities

  • webstar-ch.mail.protection.outlook.com: 10

A / AAAA Records

  • 159.100.246.236 (no PTR)
  • 159.100.248.24 (no PTR)

Mail Server IPs

  • 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
  • 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
  • 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
  • 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca3e::1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c:: ↩ mail-zrap278cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::1 ↩ mail-zrzp278cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.thf4it.net dnsmaster.thf4it.net 2026072302 10800 3600 1209600 3600
Primary NS (mname)
ns1.thf4it.net
Admin Email (rname)
dnsmaster@thf4it.net
Serial
2026072302
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns3.thf4it.net
ns1.thf4it.net
ns2.thf4it.net

SPF Record

✓ Strict (-all)
v=spf1 a a:mail.ostendis.ch a:mail01.refline.ch a:mail02.refline.ch ip4:212.71.124.231 ip4:212.71.124.232 ip4:195.65.13.78 ip4:195.10.208.0/26 ip6:2001:67c:2050::/48 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

10 records
  • MS=ms46905735
  • SPFv=spf1 a a:mail.ostendis.ch a:mail01.refline.ch a:mail02.refline.ch ip4:212.71.124.231 ip4:212.71.124.232 ip4:195.65.13.78 ip4:195.10.208.0/26 ip6:2001:67c:2050::/48 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf-de.emailsignatures365.com -all
  • vt231zmbrz14krc8khzqc79st15d3dp8
  • brevo-code:6ef1bdca0140128a0b0cdffd769c529f
  • _wwiglczmolpzi74rw6f8nl1d0zhq5u8
  • apple-domain-verification=QLgjqutl6Mqexqht
  • atlassian-domain-verification=UiTrODahoVcWGkmlKPTEcjyg/uQ3leC29nSd1Yp/F7RiOC0CnDgSaEFKK/gWE7F6
  • atlassian-sending-domain-verification=1517f85b-db7c-4fd4-a8fe-dfc9dc4faa97
  • google-site-verification=OCGlQDsi3egmBFXUzKMTElR_8k7alpx-XzzcJt5YHTs
  • mandrill_verify.naNq-37E1H9I47Xw7s5a1A
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