Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isur.edu.pe
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 22:12:45 UTC · ↺ Refresh
MX Hostnames
- msoid.isur.edu.pe
- isur-edu-pe.mail.eo.outlook.com
- isur-edu-pe.mail.protection.outlook.com
MX Priorities
- isur-edu-pe.mail.eo.outlook.com: 0
- msoid.isur.edu.pe: 0
- isur-edu-pe.mail.protection.outlook.com: 0
A / AAAA Records
- 144.217.78.45
Mail Server IPs
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 40.126.24.82 (no PTR)
- 20.190.152.21 (no PTR)
- 40.126.24.149
- 40.126.24.83
- 20.190.152.19
- 40.126.24.84
- 20.190.152.22
- 40.126.24.81
- 2603:1037:1:8::3
- 2603:1036:3000:18::2
- 2603:1037:1:8::5
- 2603:1037:1:8::6
- 2603:1037:1:8::4
- 2603:1036:3000:18::4
- 2603:1036:3000:10::4
- 2603:1036:3000:18::3
- 52.101.11.2
- 52.101.194.19
- 52.101.40.1
- 52.101.11.15
- 2a01:111:f403:c801::1
- 2a01:111:f403:c931::
- 2a01:111:f403:f908::1
- 2a01:111:f403:f802::
SOA Record
Raw SOA
dns1.amx.com.pe hostmaster.isur.edu.pe 2017022153 5400 600 90000 7200
Primary NS (mname)
dns1.amx.com.pe
Admin Email (rname)
hostmaster@isur.edu.pe
Serial
2017022153
Refresh
5400s
Retry
600s
Expire
90000s
Minimum TTL
7200s
Nameservers (NS)
ns2.telmex.net.pe
ns1.telmex.net.pe
SPF Record
✓ Strict (-all)
v=spf1 ip4:144.217.78.45 ip4:190.223.57.182 include:spf.protection.outlook.com include:spf.mandrillapp.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=aHaS0W30GnFKhNBqodqYi6VMrVnM2MgMz6_DFLzTTlo
- SPFv=spf1 ip4:144.217.78.45 ip4:190.223.57.182 include:spf.protection.outlook.com include:spf.mandrillapp.com -all
- MS=ms27722229
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