off.cool - dns.ninja
off.cool
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1032.awsdns-01.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5304:800::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1032.awsdns-01.org | ||||||
| A | 205.251.196.8🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1032.awsdns-01.org | ||||||
| NS | ns-1873.awsdns-42.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5307:5100::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1873.awsdns-42.co.uk | ||||||
| A | 205.251.199.81🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1873.awsdns-42.co.uk | ||||||
| NS | ns-451.awsdns-56.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5301:c300::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-451.awsdns-56.com | ||||||
| A | 205.251.193.195🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-451.awsdns-56.com | ||||||
| NS | ns-943.awsdns-53.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:af00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-943.awsdns-53.net | ||||||
| A | 205.251.195.175🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-943.awsdns-53.net | ||||||
cool
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.cool ⭐ | ||||||
| NS | v0n1.nic.cool | ||||||
| NS | v0n2.nic.cool | ||||||
| NS | v0n3.nic.cool | ||||||
| NS | v2n0.nic.cool | ||||||
| NS | v2n1.nic.cool | ||||||
| SOA | v0n0.nic.coolhostmaster@donuts.email serial=1785467224 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns-1032.awsdns-01.org2026-07-29 → 2026-07-31 · 3 obs
● 2026-07-29 22:41:00
● 2026-07-31 03:39:16
●NSns-1873.awsdns-42.co.uk2026-07-29 → 2026-07-31 · 3 obs
● 2026-07-29 22:41:00
● 2026-07-31 03:39:16
●NSns-451.awsdns-56.com2026-07-29 → 2026-07-31 · 3 obs
● 2026-07-29 22:41:00
● 2026-07-31 03:39:16
●NSns-943.awsdns-53.net2026-07-29 → 2026-07-31 · 3 obs
● 2026-07-29 22:41:00
● 2026-07-31 03:39:16
○NSns1.sedoparking.com2016-12-10 → 2017-11-20 · 4 obs
● 2017-11-20 00:02:02
○ 2026-07-29 22:41:00
○ 2026-07-31 03:39:16
○NSns2.sedoparking.com2016-12-10 → 2017-11-20 · 4 obs
● 2017-11-20 00:02:02
○ 2026-07-29 22:41:00
○ 2026-07-31 03:39:16
○MXlocalhost2016-12-10 → 2017-11-20 · 4 obs
● 2017-11-20 00:02:02
○ 2026-07-29 22:41:00
○ 2026-07-31 03:39:16
○A72.52.4.1222017-11-20 → 2017-11-20 · 4 obs
● 2017-11-20 00:02:02
○ 2026-07-29 22:41:00
○ 2026-07-31 03:39:16
○A72.52.4.912016-12-10 → 2016-12-10 · 3 obs
○ 2017-11-20 00:02:02
○ 2026-07-31 03:39:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cool | v0n0.nic.cool, v0n1.nic.cool, v0n2.nic.cool, v0n3.nic.cool... | 12 records |
| off.cool | ns-1873.awsdns-42.co.uk, ns-451.awsdns-56.com, ns-943.awsdns-53.net, ns-1032.awsdns-01.org | - |
✅ Authoritative Response
Server:205.251.199.81
NS records: ns-1873.awsdns-42.co.uk, ns-451.awsdns-56.com, ns-943.awsdns-53.net, ns-1032.awsdns-01.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for off.cool (unsigned zone)
⏱️ Timing
Total: 388ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.cool, v0n0.nic.cool, v0n1.nic.cool...)
Analysis
Name Servers
off.cool has four authoritative name servers: ns-451.awsdns-56.com, ns-943.awsdns-53.net, ns-1032.awsdns-01.org and ns-1873.awsdns-42.co.uk.
off.cool has at least partial name server overlap with other domains, such as lkt.cloud, propertyvista.com, 3people.com.tw and two others.
ns-451.awsdns-56.com, ns-943.awsdns-53.net, ns-1032.awsdns-01.org and ns-1873.awsdns-42.co.uk all point to exactly two IP numbers each: ns-451.awsdns-56.com → 205.251.193.195 and 2600:9000:5301:c300::1; ns-943.awsdns-53.net → 205.251.195.175 and 2600:9000:5303:af00::1; ns-1032.awsdns-01.org → 205.251.196.8 and 2600:9000:5304:800::1; ns-1873.awsdns-42.co.uk → 205.251.199.81 and 2600:9000:5307:5100::1.