hostmaster.sfhsnet.org - robtex.com
hostmaster.sfhsnet.org
| CNAME | www.sfhscollegeprep.org | ||||||
| CNAME | sfhscollegeprep.onmessage.whipplehillsites.com | ||||||
| CNAME | bbk12e1-cms-shieldv2.myschoolcdn.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.21.193.100🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-21-193-100.compute-1.amazonaws.com | ||||||
| A | 54.209.77.18🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix | ||||||
| A | 54.209.169.55🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix | ||||||
sfhsnet.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.209.77.18🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix | ||||||
| NS | ns89.worldnic.com ⭐ | ||||||
| NS | ns90.worldnic.com | ||||||
| MX | sfhsnet-org.mail.protection.outlook.com ⭐ | ||||||
| TXT | QBJ3ESADKELHA8VA6INGOANJK1 | ||||||
| TXT | npB3q0u3lTTn7/x550kIOeB6IRcnSmMz1sNxdeTTK7Fptvy6AlrYbYis7NXFojxhrPlt9TOn02h13... | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | NS89.WORLDNIC.COMnamehost@WORLDNIC.COM serial=123092815 | ||||||
WOT: SAFE (75/100)
Same first word
Similar names
DNS History
3 records (1 active, 2 former)
○A24.73.102.1802015-06-20 → 2016-05-04 · 3 obs
● 2015-06-20 02:26:16
● 2016-05-04 14:53:56
○ 2026-03-28 04:06:24
● 2016-05-04 14:53:56
○ 2026-03-28 04:06:24
○CNAMEcluster14.ymem.net2015-11-07 → 2016-05-04 · 4 obs
○ 2015-06-20 02:26:16
● 2015-11-07 22:44:10
● 2016-05-04 14:53:56
○ 2026-03-28 04:06:24
● 2015-11-07 22:44:10
● 2016-05-04 14:53:56
○ 2026-03-28 04:06:24
●CNAMEwww.sfhscollegeprep.org2015-06-20 → 2026-03-28 · 2 obs
● 2015-06-20 02:26:16
● 2026-03-28 04:06:24
● 2026-03-28 04:06:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| sfhsnet.org | ns89.worldnic.com, ns90.worldnic.com | - |
✅ Authoritative Response
Server:162.159.27.117
NS records: ns89.worldnic.com, ns90.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfhsnet.org (unsigned zone)
⏱️ Timing
Total: 492ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | www.sfhscollegeprep.org |
Analysis
IP Addresses
hostmaster.sfhsnet.org points to three IP numbers: 52.21.193.100, 54.209.77.18 and 54.209.169.55.
Other host names such as fsha.org, shipleyschool.org, kingsridgecs.org, 66-10-205-18.fsha.org and salesianum.org share IPs with hostmaster.sfhsnet.org.