byg.dtu.dk

Valid Email Server
Domain Lookup › byg.dtu.dk
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
byg.dtu.dk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-10-29 20:28:48 UTC · ↺ Refresh

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MX Hostnames

  • byg-dtu-dk.mail.protection.outlook.com

MX Priorities

  • byg-dtu-dk.mail.protection.outlook.com: 0

A / AAAA Records

  • 52.236.166.178 (no PTR)

Mail Server IPs

  • 52.101.91.21 ↩ mail-matpr05cu00105.inbound.protection.outlook.com
  • 52.101.73.120 ↩ mail-am7pr02cu00300.inbound.protection.outlook.com
  • 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
  • 52.101.103.39 ↩ mail-miypr05cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::a ↩ mail-maspr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::22 ↩ mail-am7pr02cu00302.inbound.protection.outlook.com

SOA Record

Raw SOA ait-pibauth.win.dtu.dk dnsadmin.dtu.dk 2015061850 10800 3600 2419200 900
Primary NS (mname)
ait-pibauth.win.dtu.dk
Admin Email (rname)
dnsadmin@dtu.dk
Serial
2015061850
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

dns2.dtu.dk
dns1.dtu.dk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.dtu.dk -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

5 records
  • MS=82A45F202C7FB8DE81BC80FE1BA2BB46B734A5F1
  • SPFv=spf1 include:spf.dtu.dk -all
  • T3HRRWuqDfEn7RSuogO2nwTQ/TwaHM8pTlcARSD4N/ImjsSLMJGFz2y5uKhRElBknwKxuiPrzQ47AiwxxZ/eTQ==
  • clHAENdHKeVDAwnFuRiFOQWCWpZkfsAJupd2qOgi9knUUY7x4N+TkEaKqgC867xTkrV18q2P16jlPP0kp92MoQ==
  • Uwe4hdY3tXX4oriqr7v45wTsrhuxh0FIYq97EVc70Z/FgOUSEIosdzkSoDjBFcA4sJFw3l5HhzKEBzTbn1/tBw==
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