Domain Overview
DNS: ✓ 9h ago
Checker: ✓ 9h ago
istcge.edu.ec
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-01 06:13:27 UTC · ↺ Refresh
MX Hostnames
- istcge-edu-ec.mail.protection.outlook.com
MX Priorities
- istcge-edu-ec.mail.protection.outlook.com: 0
A / AAAA Records
- 174.142.221.78 ↩ s424.panelbox.net
- 2607:f748:1200:11d:174:142:221:78 ↩ s424.panelbox.net
Mail Server IPs
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.phnameserver.com promehost.gmail.com 2026061601 86400 7200 3600000 86400
Primary NS (mname)
ns1.phnameserver.com
Admin Email (rname)
promehost@gmail.com
Serial
2026061601
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.phnameserver.com
ns4.phnameserver.com
ns2.phnameserver.com
ns3.phnameserver.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:174.142.221.78 include:relay.spamshield.io ip4:174.142.221.74 +a +mx +include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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 ip4:174.142.221.78 include:relay.spamshield.io ip4:174.142.221.74 +a +mx +include:spf.protection.outlook.com -all
- 17062024
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