aku.edu

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
aku.edu
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-30 04:53:19 UTC ยท โ†บ Refresh

MX Hostnames

  • aku-edu.mail.protection.outlook.com

MX Priorities

  • aku-edu.mail.protection.outlook.com: 10

A / AAAA Records

  • 52.156.198.57 (no PTR)

Mail Server IPs

  • 52.101.68.12 โ†ฉ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.21 โ†ฉ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.2 โ†ฉ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.68.3 โ†ฉ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: โ†ฉ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 โ†ฉ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 โ†ฉ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 โ†ฉ mail-db7pr03cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.lnhi.net administrator.lnhi.net 970 10800 3600 604800 3600
Primary NS (mname)
ns1.lnhi.net
Admin Email (rname)
administrator@lnhi.net
Serial
970
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.lnhi.net
ns2.lnhi.net
ns3.lnhi.net

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:128.86.139.69 ip4:202.3.130.77 ip4:202.3.130.76 ip4:202.3.130.136 ip4:202.3.131.34 ip4:202.3.131.35 ip4:202.3.131.36 ip4:202.3.130.138 ip4:202.3.130.150 ip4:111.68.111.55 ip4:111.68.111.56 ip4:196.216.234.10 ip4:23.101.49.70 ip4:41.89.58.4 ip4:202.3.131.133 ip4:13.94.107.195 ip4:221.132.118.251 ip4:221.132.118.250 ip4:202.3.130.151 ip4:221.120.202.197 include:spf.protection.outlook.com include:u15214622.wl123.sendgrid.net -all
๐Ÿ“Š DNS lookups: 2/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

9 records
  • N6hUnEbVpxmwkL7PJ4SKXyMTPybDUnq0VaYi88upTIjDESz3LlStWdlmVZczYhxSjA0d/2tB0Ip+rjczbfNpHA==
  • e2ma-verification=92sbb
  • cHJbD0EMgrKyIZnLiLKMUoleHbrbPVdKslIZrqd6Pi3YIdmP3O3y5db6uJMlwYqMZ8AElyBcj3Wxd5JMvG+oZg==
  • google-site-verification=xfZZC1WhK1Kjgzcs-nly8oDZkvPNTAIRSsdyGtQaOo4
  • pexip-ms-tenant-domain-verification=382ebc58-de52-424e-8bc9-81ded5ef0436
  • asv=f73d981993376bcc1974b9ced3fe3975
  • u15214622.wl123.sendgrid.net-all
  • c7w7k6zqgtd2szbmr5x2695hcqtj06q8
  • SPFv=spf1 ip4:128.86.139.69 ip4:202.3.130.77 ip4:202.3.130.76 ip4:202.3.130.136 ip4:202.3.131.34 ip4:202.3.131.35 ip4:202.3.131.36 ip4:202.3.130.138 ip4:202.3.130.150 ip4:111.68.111.55 ip4:111.68.111.56 ip4:196.216.234.10 ip4:23.101.49.70 ip4:41.89.58.4 ip4:202.3.131.133 ip4:13.94.107.195 ip4:221.132.118.251 ip4:221.132.118.250 ip4:202.3.130.151 ip4:221.120.202.197 include:spf.protection.outlook.com include:u15214622.wl123.sendgrid.net -all
Full email verification for aku.edu

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits