mx198.studenthour.com - robtex.com
mx198.studenthour.com
| CNAME | traff-https.hugedomains.com | ||||||
| CNAME | hdl-prd-https-0699149ba9be518e.elb.us-east-1.amazonaws.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix | ||||||
| A | 54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix | ||||||
studenthour.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix | ||||||
| A | 54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix | ||||||
| NS | ns1.namebrightdns.com ⭐ | ||||||
| NS | nsg1.namebrightdns.com | ||||||
| NS | nsg2.namebrightdns.com | ||||||
| TXT | v=spf1 -all | ||||||
| TXT | afternic-verification-G9G3tM8T8EwEizzPzjGJWF | ||||||
| SOA | ns1.namebrightdns.comdns@namebright.com 2026-04-13 #1 | ||||||
DNS History
19 records (7 active, 12 former)
●NSnsg1.namebrightdns.com2026-03-11 → 2026-04-13 · 2 obs
● 2026-03-11 15:27:52
● 2026-04-13 11:20:02
● 2026-04-13 11:20:02
●NSnsg2.namebrightdns.com2026-03-11 → 2026-04-13 · 2 obs
● 2026-03-11 15:27:52
● 2026-04-13 11:20:02
● 2026-04-13 11:20:02
●A13.223.25.842026-03-11 → 2026-04-13 · 3 obs
○ 2016-05-07 02:17:50
● 2026-03-11 15:27:52
● 2026-04-13 11:20:02
● 2026-03-11 15:27:52
● 2026-04-13 11:20:02
○A184.168.221.322015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 05:11:32
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○A184.168.221.342016-05-07 → 2016-05-07 · 4 obs
○ 2016-01-29 00:59:56
● 2016-05-07 02:17:50
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
● 2016-05-07 02:17:50
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○A184.168.221.352015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 05:11:32
○ 2015-10-23 10:05:58
○ 2026-04-13 11:20:02
○ 2015-10-23 10:05:58
○ 2026-04-13 11:20:02
○A184.168.221.512015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 05:11:32
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○A184.168.221.542016-01-29 → 2016-01-29 · 4 obs
○ 2015-10-23 10:05:58
● 2016-01-29 00:59:56
○ 2016-05-07 02:17:50
○ 2026-04-13 11:20:02
● 2016-01-29 00:59:56
○ 2016-05-07 02:17:50
○ 2026-04-13 11:20:02
○A184.168.221.562015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 05:11:32
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○A184.168.221.632015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 05:11:32
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-11 → 2026-04-13 · 3 obs
○ 2016-05-07 02:17:50
● 2026-03-11 15:27:52
● 2026-04-13 11:20:02
● 2026-03-11 15:27:52
● 2026-04-13 11:20:02
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-11 → 2026-04-13 · 3 obs
○ 2016-05-07 02:17:50
● 2026-03-11 15:27:52
● 2026-04-13 11:20:02
● 2026-03-11 15:27:52
● 2026-04-13 11:20:02
○A50.63.202.362015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 05:11:32
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○A50.63.202.432015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 05:11:32
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○A50.63.202.492015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 05:11:32
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○A50.63.202.512015-10-23 → 2015-10-23 · 4 obs
○ 2015-06-02 05:11:32
● 2015-10-23 10:05:58
○ 2016-01-29 00:59:56
○ 2026-04-13 11:20:02
● 2015-10-23 10:05:58
○ 2016-01-29 00:59:56
○ 2026-04-13 11:20:02
○A50.63.202.532015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 05:11:32
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
○ 2026-03-11 15:27:52
○ 2026-04-13 11:20:02
●A54.243.117.1972026-03-11 → 2026-04-13 · 3 obs
○ 2016-05-07 02:17:50
● 2026-03-11 15:27:52
● 2026-04-13 11:20:02
● 2026-03-11 15:27:52
● 2026-04-13 11:20:02
●CNAMEtraff-https.hugedomains.com2026-03-11 → 2026-04-13 · 2 obs
● 2026-03-11 15:27:52
● 2026-04-13 11:20:02
● 2026-04-13 11:20:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| studenthour.com | nsg1.namebrightdns.com, nsg2.namebrightdns.com | 20 records |
✅ Authoritative Response
Server:54.167.59.20
NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studenthour.com (unsigned zone)
⏱️ Timing
Total: 123ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 54.243.117.197, 13.223.25.84 |
| AAAA | 2 | 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee |
| NS | 2 | nsg2.namebrightdns.com, nsg1.namebrightdns.com |
| CNAME | 1 | traff-https.hugedomains.com |
📌 Glue Records Collected
Total: 20
Out-of-bailiwick: 20 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)
Analysis
IP Addresses
mx198.studenthour.com points to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.
Other host names including aethersage.com, mail.nrw.spotlighttm.com, wholestream.com, ofwax.com and blo8.8.8.8gfa.com share IP numbers with mx198.studenthour.com.