ubu.world - robtex.com
ubu.world
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1040.awsdns-02.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5304:1000::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1040.awsdns-02.org | ||||||
| A | 205.251.196.16🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1040.awsdns-02.org | ||||||
| NS | ns-1627.awsdns-11.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5306:5b00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1627.awsdns-11.co.uk | ||||||
| A | 205.251.198.91🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1627.awsdns-11.co.uk | ||||||
| NS | ns-263.awsdns-32.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5301:700::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-263.awsdns-32.com | ||||||
| A | 205.251.193.7🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-263.awsdns-32.com | ||||||
| NS | ns-879.awsdns-45.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:6f00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-879.awsdns-45.net | ||||||
| A | 205.251.195.111🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-879.awsdns-45.net | ||||||
world
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.world ⭐ | ||||||
| NS | v0n1.nic.world | ||||||
| NS | v0n2.nic.world | ||||||
| NS | v0n3.nic.world | ||||||
| NS | v2n0.nic.world | ||||||
| NS | v2n1.nic.world | ||||||
| SOA | v0n0.nic.worldhostmaster@donuts.email serial=1784286847 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns-1040.awsdns-02.org2026-06-12 → 2026-07-17 · 3 obs
● 2026-06-12 10:57:34
● 2026-07-17 11:31:22
●NSns-1627.awsdns-11.co.uk2026-06-12 → 2026-07-17 · 3 obs
● 2026-06-12 10:57:34
● 2026-07-17 11:31:22
●NSns-263.awsdns-32.com2026-06-12 → 2026-07-17 · 3 obs
● 2026-06-12 10:57:34
● 2026-07-17 11:31:22
●NSns-879.awsdns-45.net2026-06-12 → 2026-07-17 · 3 obs
● 2026-06-12 10:57:34
● 2026-07-17 11:31:22
○NSns19.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
○ 2026-06-12 10:57:34
○ 2026-07-17 11:31:22
○NSns20.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
○ 2026-06-12 10:57:34
○ 2026-07-17 11:31:22
○MXmailstore1.secureserver.net2016-12-10 → 2016-12-10 · 3 obs
○ 2026-06-12 10:57:34
○ 2026-07-17 11:31:22
○MXsmtp.secureserver.net2016-12-10 → 2016-12-10 · 3 obs
○ 2026-06-12 10:57:34
○ 2026-07-17 11:31:22
○A50.63.202.602016-12-10 → 2016-12-10 · 3 obs
○ 2026-06-12 10:57:34
○ 2026-07-17 11:31:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| world | v0n0.nic.world, v0n1.nic.world, v0n2.nic.world, v0n3.nic.world... | 12 records |
| ubu.world | ns-1040.awsdns-02.org, ns-263.awsdns-32.com, ns-879.awsdns-45.net, ns-1627.awsdns-11.co.uk | - |
✅ Authoritative Response
Server:205.251.198.91
NS records: ns-1040.awsdns-02.org, ns-263.awsdns-32.com, ns-879.awsdns-45.net, ns-1627.awsdns-11.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ubu.world (unsigned zone)
⏱️ Timing
Total: 653ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.world, v0n0.nic.world, v0n1.nic.world...)
Analysis
Name Servers
ubu.world has four authoritative name servers: ns-263.awsdns-32.com, ns-879.awsdns-45.net, ns-1040.awsdns-02.org and ns-1627.awsdns-11.co.uk.
ubu.world shares at least some of its name servers with other domains, including datazap.com.br, davidsfreunde.de, efg-erlangen.de and two others.
The host names ns-263.awsdns-32.com, ns-879.awsdns-45.net, ns-1040.awsdns-02.org and ns-1627.awsdns-11.co.uk each resolve to two IP addresses: ns-263.awsdns-32.com resolves to 205.251.193.7 and 2600:9000:5301:700::1; ns-879.awsdns-45.net resolves to 205.251.195.111 and 2600:9000:5303:6f00::1; ns-1040.awsdns-02.org resolves to 205.251.196.16 and 2600:9000:5304:1000::1; ns-1627.awsdns-11.co.uk resolves to 205.251.198.91 and 2600:9000:5306:5b00::1.