bigblueuniversity.com - robtex.com
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bigblueuniversity.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.160.41.20🇺🇸 Amazon | ||||||
| PTR | server-18-160-41-20.iad55.r.cloudfront.net | ||||||
| A | 18.160.41.25🇺🇸 Amazon | ||||||
| A | 18.160.41.75🇺🇸 Amazon | ||||||
| A | 18.160.41.123🇺🇸 Amazon | ||||||
| NS | ns-22.awsdns-02.com ⭐ | ||||||
| A | 2600:9000:5300:1600::1🇺🇸 Amazon | ||||||
| PTR | ns-22.awsdns-02.com | ||||||
| A | 205.251.192.22🇺🇸 Amazon | ||||||
| PTR | ns-22.awsdns-02.com | ||||||
| NS | ns-1054.awsdns-03.org | ||||||
| A | 2600:9000:5304:1e00::1🇺🇸 Amazon | ||||||
| PTR | ns-1054.awsdns-03.org | ||||||
| A | 205.251.196.30🇺🇸 Amazon | ||||||
| PTR | ns-1054.awsdns-03.org | ||||||
| NS | ns-1926.awsdns-48.co.uk | ||||||
| A | 2600:9000:5307:8600::1🇺🇸 Amazon | ||||||
| PTR | ns-1926.awsdns-48.co.uk | ||||||
| A | 205.251.199.134🇺🇸 Amazon | ||||||
| PTR | ns-1926.awsdns-48.co.uk | ||||||
| NS | ns-895.awsdns-47.net | ||||||
| A | 2600:9000:5303:7f00::1🇺🇸 Amazon | ||||||
| PTR | ns-895.awsdns-47.net | ||||||
| A | 205.251.195.127🇺🇸 Amazon | ||||||
| PTR | ns-895.awsdns-47.net | ||||||
| SOA | ns-22.awsdns-02.comawsdns-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=1771291435 | ||||||
Same first word
bigblueuniversity.com |
DNS History
12 records (8 active, 4 former)
●NSns-1054.awsdns-03.org2026-02-19 → 2026-02-19 · 3 obs
● 2026-02-19 01:13:06
● 2026-02-19 01:13:08
○NSns-1129.awsdns-13.org2019-12-18 → 2019-12-18 · 3 obs
○ 2026-02-19 01:13:06
○ 2026-02-19 01:13:08
○NSns-1619.awsdns-10.co.uk2019-12-18 → 2019-12-18 · 3 obs
○ 2026-02-19 01:13:06
○ 2026-02-19 01:13:08
●NSns-1926.awsdns-48.co.uk2026-02-19 → 2026-02-19 · 3 obs
● 2026-02-19 01:13:06
● 2026-02-19 01:13:08
●NSns-22.awsdns-02.com2026-02-19 → 2026-02-19 · 3 obs
● 2026-02-19 01:13:06
● 2026-02-19 01:13:08
○NSns-333.awsdns-41.com2019-12-18 → 2019-12-18 · 3 obs
○ 2026-02-19 01:13:06
○ 2026-02-19 01:13:08
○NSns-712.awsdns-25.net2019-12-18 → 2019-12-18 · 3 obs
○ 2026-02-19 01:13:06
○ 2026-02-19 01:13:08
●NSns-895.awsdns-47.net2026-02-19 → 2026-02-19 · 3 obs
● 2026-02-19 01:13:06
● 2026-02-19 01:13:08
●A18.160.41.1232026-02-19 → 2026-02-19 · 2 obs
● 2026-02-19 01:13:08
●A18.160.41.202026-02-19 → 2026-02-19 · 2 obs
● 2026-02-19 01:13:08
●A18.160.41.252026-02-19 → 2026-02-19 · 2 obs
● 2026-02-19 01:13:08
●A18.160.41.752026-02-19 → 2026-02-19 · 2 obs
● 2026-02-19 01:13:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bigblueuniversity.com | ns-22.awsdns-02.com, ns-895.awsdns-47.net, ns-1054.awsdns-03.org, ns-1926.awsdns-48.co.uk | 1 record |
✅ Authoritative Response
Server: 205.251.195.127
NS records: ns-22.awsdns-02.com, ns-895.awsdns-47.net, ns-1054.awsdns-03.org, ns-1926.awsdns-48.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bigblueuniversity.com (unsigned zone)
⏱️ Timing
Total: 709ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 18.160.41.123, 18.160.41.75... |
| NS | 4 | ns-1054.awsdns-03.org, ns-1926.awsdns-48.co.uk... |
| SOA | 1 | ns-22.awsdns-02.com awsdns-hostmaster.am |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-22.awsdns-02.com)
AI analysis
bigblueuniversity.com resolves to four IPs: 18.160.41.20, 18.160.41.25, 18.160.41.75 and 18.160.41.123.
Other host names such as die55o6ithy6g.cloudfront.net, dropboxteam.com, d3r7r58oannkgc.cloudfront.net, firstchoicebuildingmaintenance.net and touryo.com share IP numbers with bigblueuniversity.com.
bigblueuniversity.com is delegated to four name servers: ns-22.awsdns-02.com, ns-895.awsdns-47.net, ns-1054.awsdns-03.org and ns-1926.awsdns-48.co.uk.
At least part of the name servers for bigblueuniversity.com are shared with other domains, for instance joblulu.ro, murprotec.solutions, aplo.io, d1b0uzwlc8fome.cloudfront.net and xion.store.
These name servers are often used together with the name servers ns-1090.awsdns-08.org, ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com, ns-728.awsdns-27.net and ns-536.awsdns-03.net.
Host names with two IP numbers:
ns-22.awsdns-02.com points to: 2600:9000:5300:1600::1 and 205.251.192.22
ns-895.awsdns-47.net points to: 2600:9000:5303:7f00::1 and 205.251.195.127
ns-1054.awsdns-03.org points to: 2600:9000:5304:1e00::1 and 205.251.196.30
ns-1926.awsdns-48.co.uk points to: 2600:9000:5307:8600::1 and 205.251.199.134