hello-yellow.at

Valid Email Server
Domain Lookup › hello-yellow.at
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
hello-yellow.at
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-11-11 14:14:00 UTC · ↺ Refresh

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MX Hostnames

  • helloyellow-at01c.mail.protection.outlook.com

MX Priorities

  • helloyellow-at01c.mail.protection.outlook.com: 0

A / AAAA Records

  • 109.71.74.126 ↩ srv-a-go.c-2571.maxcluster.net

Mail Server IPs

  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.73.123 ↩ mail-am6pr02cu00203.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.103.137 ↩ mail-miypr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::24 ↩ mail-am6pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::8 ↩ mail-miypr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::8 ↩ mail-wa4pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.a1.net domainadmin.a1.net 2025091700 10800 3600 1814400 3600
Primary NS (mname)
dns1.a1.net
Admin Email (rname)
domainadmin@a1.net
Serial
2025091700
Refresh
10800s
Retry
3600s
Expire
1814400s
Minimum TTL
3600s

Nameservers (NS)

dns1.a1.net
dns2.a1.net
dns3.a1.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:212.183.17.137 ip4:212.183.17.150 ip4:212.183.17.245 ip4:116.202.160.201 ip4:212.183.17.139 ip4:213.33.85.230 ip4:213.33.85.231 include:spf.protection.outlook.com include:spf.brevo.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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

5 records
  • SPFv=spf1 ip4:212.183.17.137 ip4:212.183.17.150 ip4:212.183.17.245 ip4:116.202.160.201 ip4:212.183.17.139 ip4:213.33.85.230 ip4:213.33.85.231 include:spf.protection.outlook.com include:spf.brevo.com -all
  • MS=ms77368674
  • brevo-code:04c97f7303639b80651d89cae9c1f7f6
  • mandrill_verify.eAhTbD6CRI3J8-xVkt1fRA
  • sendinblue-code:3efd4be3df9d073cc6329aedcb1b2ca7
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