Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gntc.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 05:34:37 UTC · ↺ Refresh
MX Hostnames
- mx1.hc4157-41.iphmx.com
- mx2.hc4157-41.iphmx.com
MX Priorities
- mx1.hc4157-41.iphmx.com: 1
- mx2.hc4157-41.iphmx.com: 5
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 68.232.141.21 ↩ esa1.hc4157-41.iphmx.com
- 68.232.148.153 ↩ esa2.hc4157-41.iphmx.com
SOA Record
Raw SOA
ns1-08.azure-dns.com hostmaster.gntc.edu 2014061926 1200 600 2419200 3600
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
hostmaster@gntc.edu
Serial
2014061926
Refresh
1200s
Retry
600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1-08.azure-dns.com
ns2-08.azure-dns.net
ns3-08.azure-dns.org
ns4-08.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:autotask.net ip4:72.162.20.121 include:mh.blackboard.com include:verifymyfafsa.com include:spf-na.exlibrisgroup.com ip4:107.20.210.250 ip4:52.1.14.157 exists:%{i}.spf.hc4157-41.iphmx.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com include:autotask.net ip4:72.162.20.121 include:mh.blackboard.com include:verifymyfafsa.com include:spf-na.exlibrisgroup.com ip4:107.20.210.250 ip4:52.1.14.157 exists:%{i}.spf.hc4157-41.iphmx.com -all
- uq2o1tiiva0df36bs7bmuuebv4
- cisco-ci-domain-verification=22c8a00a61226cfcf1394ce3df5b9230d6c7cc7031a03b47c07aa708637ce79
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