edu.help - robtex.com
edu.help
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.edu.help ⭐ | ||||||
| A | 2600:9000:5304:7700::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1143.awsdns-14.org | ||||||
| A | 205.251.196.119🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1143.awsdns-14.org | ||||||
| NS | ns2.edu.help | ||||||
| A | 2600:9000:5300:3600::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-54.awsdns-06.com | ||||||
| A | 205.251.192.54🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-54.awsdns-06.com | ||||||
| NS | ns3.edu.help | ||||||
| A | 2600:9000:5306:d700::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1751.awsdns-26.co.uk | ||||||
| A | 205.251.198.215🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1751.awsdns-26.co.uk | ||||||
| NS | ns4.edu.help | ||||||
| A | 2600:9000:5302:5900::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-601.awsdns-11.net | ||||||
| A | 205.251.194.89🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-601.awsdns-11.net | ||||||
| SOA | ns1.edu.helpawsdns-hostmaster@amazon.com serial=1 | ||||||
help
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.help | ||||||
| NS | b.nic.help | ||||||
| NS | c.nic.help | ||||||
| NS | d.nic.help | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1783983275 | ||||||
Subdomains
ns4.edu.help |
dev-leg-health.edu.help |
ns2.edu.help |
rfi.edu.help |
dev-arc-jhuaap.edu.help |
ns3.edu.help |
ns1.edu.help |
qa.edu.help |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSbuy.internettraffic.com2015-10-17 → 2016-08-12 · 4 obs
● 2016-08-12 05:07:02
○ 2017-03-25 19:17:52
○ 2026-07-13 23:06:58
●NSns1.edu.help2020-01-08 → 2026-07-13 · 3 obs
● 2020-01-08 22:09:22
● 2026-07-13 23:06:58
○NSns1.uniregistrymarket.link2017-03-25 → 2017-03-25 · 4 obs
● 2017-03-25 19:17:52
○ 2020-01-08 22:09:22
○ 2026-07-13 23:06:58
●NSns2.edu.help2020-01-08 → 2026-07-13 · 3 obs
● 2020-01-08 22:09:22
● 2026-07-13 23:06:58
○NSns2.uniregistrymarket.link2017-03-25 → 2017-03-25 · 4 obs
● 2017-03-25 19:17:52
○ 2020-01-08 22:09:22
○ 2026-07-13 23:06:58
●NSns3.edu.help2020-01-08 → 2026-07-13 · 3 obs
● 2020-01-08 22:09:22
● 2026-07-13 23:06:58
●NSns4.edu.help2020-01-08 → 2026-07-13 · 3 obs
● 2020-01-08 22:09:22
● 2026-07-13 23:06:58
○NSsell.internettraffic.com2015-10-17 → 2016-08-12 · 4 obs
● 2016-08-12 05:07:02
○ 2017-03-25 19:17:52
○ 2026-07-13 23:06:58
○A69.172.201.1532016-08-12 → 2017-03-25 · 5 obs
● 2016-08-12 05:07:02
● 2017-03-25 19:17:52
○ 2020-01-08 22:09:22
○ 2026-07-13 23:06:58
○A69.172.201.2082015-10-17 → 2016-03-28 · 4 obs
● 2016-03-28 10:13:58
○ 2016-08-12 05:07:02
○ 2026-07-13 23:06:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| help | a.nic.help, b.nic.help, c.nic.help, d.nic.help | 8 records |
| edu.help | ns3.edu.help, ns1.edu.help, ns4.edu.help, ns2.edu.help | 4 records |
✅ Authoritative Response
Server:205.251.198.215
NS records: ns3.edu.help, ns1.edu.help, ns4.edu.help, ns2.edu.help
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for edu.help (unsigned zone)
⏱️ Timing
Total: 856ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.edu.help, ns2.edu.help... |
| SOA | 1 | ns1.edu.help awsdns-hostmaster.amazon.co |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.help, a.nic.help, b.nic.help...)
Analysis
Hierarchy
The host names ns4.edu.help, dev-leg-health.edu.help, ns2.edu.help, rfi.edu.help and dev-arc-jhuaap.edu.help — among a few others — fall under the parent domain edu.help.
Name Servers
The NS records for edu.help point to four name servers: ns1.edu.help, ns2.edu.help, ns3.edu.help and ns4.edu.help.
edu.help and other domains like accelerated.gmercyu.edu, elearning.scranton.edu and online.aum.edu share some name servers
Four hostnames, each resolving to a pair of IP addresses: ns1.edu.help directs to 205.251.196.119 and 2600:9000:5304:7700::1; ns2.edu.help directs to 205.251.192.54 and 2600:9000:5300:3600::1; ns3.edu.help directs to 205.251.198.215 and 2600:9000:5306:d700::1; ns4.edu.help directs to 205.251.194.89 and 2600:9000:5302:5900::1.