simpleclassroom.com - dns.ninja
simpleclassroom.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1300.awsdns-34.org ⭐ | ||||||
| A | 2600:9000:5305:1400::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1300.awsdns-34.org | ||||||
| A | 205.251.197.20🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1300.awsdns-34.org | ||||||
| NS | ns-1917.awsdns-47.co.uk | ||||||
| A | 2600:9000:5307:7d00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1917.awsdns-47.co.uk | ||||||
| A | 205.251.199.125🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1917.awsdns-47.co.uk | ||||||
| NS | ns-31.awsdns-03.com | ||||||
| A | 2600:9000:5300:1f00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-31.awsdns-03.com | ||||||
| A | 205.251.192.31🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-31.awsdns-03.com | ||||||
| NS | ns-631.awsdns-14.net | ||||||
| A | 2600:9000:5302:7700::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-631.awsdns-14.net | ||||||
| A | 205.251.194.119🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-631.awsdns-14.net | ||||||
| SOA | ns-1300.awsdns-34.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1781156498 | ||||||
Same first word
simpleclassroom.com |
Similar names
DNS History
11 records (4 active, 7 former)
○NSno-dyn-updates.san.yahoo.com2015-06-20 → 2020-04-10 · 3 obs
● 2020-04-10 01:25:30
○ 2026-06-11 06:08:16
●NSns-1300.awsdns-34.org2026-06-11 → 2026-06-11 · 2 obs
● 2026-06-11 06:08:16
●NSns-1917.awsdns-47.co.uk2026-06-11 → 2026-06-11 · 2 obs
● 2026-06-11 06:08:16
●NSns-31.awsdns-03.com2026-06-11 → 2026-06-11 · 2 obs
● 2026-06-11 06:08:16
●NSns-631.awsdns-14.net2026-06-11 → 2026-06-11 · 2 obs
● 2026-06-11 06:08:16
○NSyns1.yahoo.com2015-06-20 → 2020-04-10 · 3 obs
● 2020-04-10 01:25:30
○ 2026-06-11 06:08:16
○NSyns2.yahoo.com2015-06-20 → 2020-04-10 · 3 obs
● 2020-04-10 01:25:30
○ 2026-06-11 06:08:16
○MXmx-biz.mail.am0.yahoodns.net2015-06-20 → 2020-04-10 · 3 obs
● 2020-04-10 01:25:30
○ 2026-06-11 06:08:16
○A67.195.197.752020-04-10 → 2020-04-10 · 3 obs
● 2020-04-10 01:25:30
○ 2026-06-11 06:08:16
○A98.139.135.1292015-11-04 → 2016-12-25 · 5 obs
● 2015-11-04 12:09:46
● 2016-12-25 22:42:52
○ 2020-04-10 01:25:30
○ 2026-06-11 06:08:16
○A98.139.135.1982015-06-20 → 2015-06-20 · 3 obs
○ 2015-11-04 12:09:46
○ 2026-06-11 06:08:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| simpleclassroom.com | ns-31.awsdns-03.com, ns-631.awsdns-14.net, ns-1300.awsdns-34.org, ns-1917.awsdns-47.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.192.31
NS records: ns-31.awsdns-03.com, ns-631.awsdns-14.net, ns-1300.awsdns-34.org, ns-1917.awsdns-47.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for simpleclassroom.com (unsigned zone)
⏱️ Timing
Total: 2105ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1300.awsdns-34.org, ns-1917.awsdns-47.co.uk... |
| SOA | 1 | ns-1300.awsdns-34.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-31.awsdns-03.com, ns-31.awsdns-03.com)
Analysis
Name Servers
simpleclassroom.com is delegated to four name servers, ns-31.awsdns-03.com, ns-631.awsdns-14.net, ns-1300.awsdns-34.org and ns-1917.awsdns-47.co.uk.
simpleclassroom.com has at least partial name server overlap with other domains, such as s3.translation.weblite.ca.s3.amazonaws.com, locural.com, s3box.net and two others.
These name servers are frequently paired with the name servers ns-354.awsdns-44.com, ns-536.awsdns-03.net, ns-1635.awsdns-12.co.uk and two others.
ns-31.awsdns-03.com, ns-631.awsdns-14.net, ns-1300.awsdns-34.org and ns-1917.awsdns-47.co.uk all point to exactly two IP numbers each: ns-31.awsdns-03.com → 205.251.192.31 and 2600:9000:5300:1f00::1; ns-631.awsdns-14.net → 205.251.194.119 and 2600:9000:5302:7700::1; ns-1300.awsdns-34.org → 205.251.197.20 and 2600:9000:5305:1400::1; ns-1917.awsdns-47.co.uk → 205.251.199.125 and 2600:9000:5307:7d00::1.