dev.corporatelearning.ef.com - dns.ninja
dev.corporatelearning.ef.com
corporatelearning.ef.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.166.192.7🇺🇸 Amazon3.166.192.0/21 | ||||||
| A | 3.166.192.57🇺🇸 Amazon3.166.192.0/21 | ||||||
| A | 3.166.192.67🇺🇸 Amazon3.166.192.0/21 | ||||||
| A | 3.166.192.98🇺🇸 Amazon3.166.192.0/21 | ||||||
| NS | ns-1122.awsdns-12.org ⭐ | ||||||
| NS | ns-1994.awsdns-57.co.uk | ||||||
| NS | ns-458.awsdns-57.com | ||||||
| NS | ns-967.awsdns-56.net | ||||||
| TXT | google-site-verification=xNcXrAaon9ELhcme-nA0U46esxOndGJgxtphtqpSGpA | ||||||
| SOA | ns-1122.awsdns-12.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
WOT: SAFE (88/100)
Subdomains
internal.dev.corporatelearning.ef.com |
Same first word
Similar names
DNS History
16 records (8 active, 8 former)
●NSns-1004.awsdns-61.net2026-07-29 → 2026-08-02 · 2 obs
● 2026-08-02 07:27:40
●NSns-1234.awsdns-26.org2026-07-29 → 2026-08-02 · 2 obs
● 2026-08-02 07:27:40
●NSns-1603.awsdns-08.co.uk2026-07-29 → 2026-08-02 · 2 obs
● 2026-08-02 07:27:40
●NSns-428.awsdns-53.com2026-07-29 → 2026-08-02 · 2 obs
● 2026-08-02 07:27:40
○A13.227.207.412026-07-31 → 2026-08-01 · 6 obs
● 2026-07-31 20:14:16
○ 2026-08-01 01:58:56
● 2026-08-01 07:35:34
○ 2026-08-02 07:27:38
○ 2026-08-02 07:27:40
○A13.227.207.682026-07-31 → 2026-08-01 · 6 obs
● 2026-07-31 20:14:16
○ 2026-08-01 01:58:56
● 2026-08-01 07:35:34
○ 2026-08-02 07:27:38
○ 2026-08-02 07:27:40
○A13.227.207.762026-07-31 → 2026-08-01 · 6 obs
● 2026-07-31 20:14:16
○ 2026-08-01 01:58:56
● 2026-08-01 07:35:34
○ 2026-08-02 07:27:38
○ 2026-08-02 07:27:40
○A13.227.207.902026-07-31 → 2026-08-01 · 6 obs
● 2026-07-31 20:14:16
○ 2026-08-01 01:58:56
● 2026-08-01 07:35:34
○ 2026-08-02 07:27:38
○ 2026-08-02 07:27:40
●A13.35.107.192026-07-30 → 2026-08-02 · 7 obs
● 2026-07-30 04:06:38
○ 2026-07-31 20:14:16
● 2026-08-01 01:58:56
○ 2026-08-01 06:37:32
● 2026-08-02 07:27:38
● 2026-08-02 07:27:40
●A13.35.107.542026-07-30 → 2026-08-02 · 7 obs
● 2026-07-30 04:06:38
○ 2026-07-31 20:14:16
● 2026-08-01 01:58:56
○ 2026-08-01 06:37:32
● 2026-08-02 07:27:38
● 2026-08-02 07:27:40
●A13.35.107.612026-07-30 → 2026-08-02 · 7 obs
● 2026-07-30 04:06:38
○ 2026-07-31 20:14:16
● 2026-08-01 01:58:56
○ 2026-08-01 06:37:32
● 2026-08-02 07:27:38
● 2026-08-02 07:27:40
●A13.35.107.742026-07-30 → 2026-08-02 · 7 obs
● 2026-07-30 04:06:38
○ 2026-07-31 20:14:16
● 2026-08-01 01:58:56
○ 2026-08-01 06:37:32
● 2026-08-02 07:27:38
● 2026-08-02 07:27:40
○A18.154.144.212026-07-29 → 2026-08-01 · 5 obs
○ 2026-07-30 04:06:38
● 2026-08-01 06:37:32
○ 2026-08-01 07:35:34
○ 2026-08-02 07:27:40
○A18.154.144.352026-07-29 → 2026-08-01 · 5 obs
○ 2026-07-30 04:06:38
● 2026-08-01 06:37:32
○ 2026-08-01 07:35:34
○ 2026-08-02 07:27:40
○A18.154.144.452026-07-29 → 2026-08-01 · 5 obs
○ 2026-07-30 04:06:38
● 2026-08-01 06:37:32
○ 2026-08-01 07:35:34
○ 2026-08-02 07:27:40
○A18.154.144.842026-07-29 → 2026-08-01 · 5 obs
○ 2026-07-30 04:06:38
● 2026-08-01 06:37:32
○ 2026-08-01 07:35:34
○ 2026-08-02 07:27:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net... | - |
| ef.com | tricia.ns.cloudflare.com, jihoon.ns.cloudflare.com | 12 records |
| corporatelearning.ef.com | ns-1122.awsdns-12.org, ns-1994.awsdns-57.co.uk, ns-458.awsdns-57.com, ns-967.awsdns-56.net | - |
| dev.corporatelearning.ef.com | ns-1004.awsdns-61.net, ns-1234.awsdns-26.org, ns-1603.awsdns-08.co.uk, ns-428.awsdns-53.com | - |
✅ Authoritative Response
Server:205.251.195.236
NS records: ns-1004.awsdns-61.net, ns-1234.awsdns-26.org, ns-1603.awsdns-08.co.uk, ns-428.awsdns-53.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ef.com (unsigned zone)
⏱️ Timing
Total: 594ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 13.35.107.54, 13.35.107.74... |
| NS | 4 | ns-1004.awsdns-61.net, ns-1234.awsdns-26.org... |
| SOA | 1 | ns-1004.awsdns-61.net awsdns-hostmaster. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (tricia.ns.cloudflare.com, tricia.ns.cloudflare.com, tricia.ns.cloudflare.com...)
Analysis
Hierarchy
dev.corporatelearning.ef.com serves as the parent of internal.dev.corporatelearning.ef.com.
IP Addresses
dev.corporatelearning.ef.com resolves to four IP addresses: 13.35.107.19, 13.35.107.54, 13.35.107.61 and 13.35.107.74.
s.www.strikingly.com, tire-cologne.de, 22deeefdhoar3vbq0ewfjf5dyg73.hop.clickbank.net and two other host names share IP numbers with dev.corporatelearning.ef.com.
Name Servers
The authoritative name servers for dev.corporatelearning.ef.com are ns-428.awsdns-53.com, ns-1004.awsdns-61.net, ns-1234.awsdns-26.org and ns-1603.awsdns-08.co.uk.
dev.corporatelearning.ef.com has at least partial name server overlap with other domains, such as xtb.it, marketing.elliemae.com, sitefservice.it and two others.
These name servers tend to appear together with the name servers ns-722.awsdns-26.net, ns-1043.awsdns-02.org and ns-1869.awsdns-41.co.uk.
ns-428.awsdns-53.com, ns-1004.awsdns-61.net, ns-1234.awsdns-26.org and ns-1603.awsdns-08.co.uk all point to exactly two IP numbers each: ns-428.awsdns-53.com → 205.251.193.172 and 2600:9000:5301:ac00::1; ns-1004.awsdns-61.net → 205.251.195.236 and 2600:9000:5303:ec00::1; ns-1234.awsdns-26.org → 205.251.196.210 and 2600:9000:5304:d200::1; ns-1603.awsdns-08.co.uk → 205.251.198.67 and 2600:9000:5306:4300::1.