surber.ch

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
surber.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-10 19:53:17 UTC · ↺ Refresh

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MX Hostnames

  • surber-ch.i-v1.mx.microsoft
  • surber-ch.mail.protection.outlook.com

MX Priorities

  • surber-ch.i-v1.mx.microsoft: 0
  • surber-ch.mail.protection.outlook.com: 5

A / AAAA Records

  • 46.232.181.68

Mail Server IPs

  • 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
  • 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
  • 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
  • 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::1 ↩ mail-zrzp278cu00201.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
  • 52.101.209.153 ↩ mail-cpjpr04cu00101.inbound.protection.outlook.com
  • 52.101.91.159 ↩ mail-matpr04cu00207.inbound.protection.outlook.com
  • 52.101.73.145
  • 52.101.103.140
  • 2a01:111:f403:ca04::7
  • 2a01:111:f403:ca04::c
  • 2a01:111:f403:ca3c::6
  • 2a01:111:f403:ca04::e

SOA Record

Raw SOA ns1-09.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-09.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns2-09.azure-dns.net
ns3-09.azure-dns.org
ns4-09.azure-dns.info
ns1-09.azure-dns.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:46.232.181.68 +a +mx +ip4:213.3.49.230 ip4:31.10.202.122 ip4:51.154.232.152 +include:spf.protection.outlook.com +include:relay.mailchannels.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

2 records
  • SPFv=spf1 ip4:46.232.181.68 +a +mx +ip4:213.3.49.230 ip4:31.10.202.122 ip4:51.154.232.152 +include:spf.protection.outlook.com +include:relay.mailchannels.net -all
  • MS=ms56215454
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