upskill.study - robtex.com
upskill.study
study
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.study ⭐ | ||||||
| NS | b.nic.study | ||||||
| NS | c.nic.study | ||||||
| NS | x.nic.study | ||||||
| NS | y.nic.study | ||||||
| NS | z.nic.study | ||||||
| SOA | a.nic.studyadmin@tldns.godaddy serial=1788528489 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
17 records (9 active, 8 former)
●NSa.zeit-world.net2019-03-23 → 2026-09-04 · 2 obs
● 2026-09-04 14:11:16
●NSb.zeit-world.co.uk2019-03-23 → 2026-09-04 · 2 obs
● 2026-09-04 14:11:16
●NSd.zeit-world.org2019-03-23 → 2026-09-04 · 2 obs
● 2026-09-04 14:11:16
●NSf.zeit-world.com2019-03-23 → 2026-09-04 · 2 obs
● 2026-09-04 14:11:16
●NSns1.vercel-dns.com2026-08-20 → 2026-09-04 · 3 obs
● 2026-08-20 03:55:20
● 2026-09-04 14:11:16
○NSns11.constellix.com2019-03-23 → 2019-03-23 · 3 obs
○ 2026-08-20 03:55:20
○ 2026-09-04 14:11:16
●NSns2.vercel-dns.com2026-08-20 → 2026-09-04 · 3 obs
● 2026-08-20 03:55:20
● 2026-09-04 14:11:16
●MXmx0.webpack.hosteurope.de2019-03-23 → 2026-09-04 · 2 obs
● 2026-09-04 14:11:16
○A216.150.1.12026-08-20 → 2026-08-31 · 8 obs
● 2026-08-20 03:55:20
○ 2026-08-20 20:18:04
● 2026-08-26 12:15:44
○ 2026-08-27 17:01:40
● 2026-08-31 19:36:08
○ 2026-08-31 21:10:56
○ 2026-09-04 14:11:16
○A216.150.1.1292026-08-26 → 2026-08-31 · 10 obs
● 2026-08-26 12:15:44
○ 2026-08-28 20:22:12
● 2026-08-28 21:50:50
○ 2026-08-29 17:19:24
● 2026-08-31 21:10:56
○ 2026-08-31 22:21:06
● 2026-08-31 23:28:44
○ 2026-09-04 14:11:14
○ 2026-09-04 14:11:16
●A216.150.1.1932026-08-20 → 2026-09-04 · 11 obs
● 2026-08-20 20:18:04
○ 2026-08-26 12:15:44
● 2026-08-27 17:01:40
○ 2026-08-28 21:50:50
● 2026-08-29 17:19:24
○ 2026-08-31 19:36:08
● 2026-08-31 22:21:06
○ 2026-08-31 23:28:44
● 2026-09-04 14:11:14
● 2026-09-04 14:11:16
○A216.150.1.652026-08-28 → 2026-08-31 · 8 obs
● 2026-08-28 21:12:18
○ 2026-08-28 21:50:50
● 2026-08-29 17:19:24
○ 2026-08-29 21:35:04
● 2026-08-31 21:10:56
○ 2026-08-31 22:21:06
○ 2026-09-04 14:11:16
●A216.150.16.12026-08-28 → 2026-09-04 · 7 obs
● 2026-08-28 20:22:12
○ 2026-08-28 21:12:18
● 2026-08-28 21:50:50
○ 2026-08-28 23:51:00
● 2026-08-31 23:28:44
● 2026-09-04 14:11:16
○A216.150.16.1292026-08-20 → 2026-08-28 · 6 obs
● 2026-08-20 03:55:20
○ 2026-08-20 20:18:04
● 2026-08-28 23:51:00
○ 2026-08-29 17:19:24
○ 2026-09-04 14:11:16
○A216.150.16.1932026-08-20 → 2026-08-31 · 10 obs
● 2026-08-20 20:18:04
○ 2026-08-26 12:15:44
● 2026-08-29 21:35:04
○ 2026-08-31 17:02:32
● 2026-08-31 19:36:08
○ 2026-08-31 21:10:56
● 2026-08-31 22:21:06
○ 2026-08-31 23:28:44
○ 2026-09-04 14:11:16
○A216.150.16.652026-08-31 → 2026-08-31 · 4 obs
● 2026-08-31 17:02:32
○ 2026-08-31 19:36:08
○ 2026-09-04 14:11:16
○A34.76.117.1492019-03-23 → 2019-03-23 · 3 obs
○ 2026-08-20 03:55:20
○ 2026-09-04 14:11:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | z.nic.study, x.nic.study, b.nic.study, y.nic.study... | 12 records |
| upskill.study | a.zeit-world.net, f.zeit-world.com, d.zeit-world.org, b.zeit-world.co.uk | - |
✅ Authoritative Response
Server:198.51.45.13
NS records: a.zeit-world.net, f.zeit-world.com, d.zeit-world.org, b.zeit-world.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for upskill.study (unsigned zone)
⏱️ Timing
Total: 1476ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 216.150.1.129, 216.150.16.1 |
| NS | 2 | ns1.vercel-dns.com, ns2.vercel-dns.com |
| MX | 1 | mx0.webpack.hosteurope.de (pri: 1) |
| TXT | 2 | facebook-domain-verification=dx5vuj9bdjy, v=spf1 a mx include:spf.server-he.de inc |
| SOA | 1 | ns1.vercel-dns.com hostmaster.nsone.net |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (z.nic.study, z.nic.study, x.nic.study...)
Analysis
IP Addresses
upskill.study has two IP addresses: 216.150.1.193 and 216.150.16.1
norokitap.com, fitnessplanai.com, redpigresilience.com and two other host names share IP numbers with upskill.study.
Name Servers
DNS for upskill.study is handled by 6 name servers: ns1.vercel-dns.com, ns2.vercel-dns.com, f.zeit-world.com and 3 others.
At least some of upskill.study's name servers are shared with other domains, for example starsiam.com, ritaj.ai, boquitacome.com and two more.
These name servers tend to co-occur with b.zeit-world.co.uk, a.zeit-world.net, d.zeit-world.org and 7 other name servers in the same DNS delegations.
Hostnames that resolve to two IP addresses:
ns1.vercel-dns.com has two IP addresses: 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1.
ns2.vercel-dns.com has two IP addresses: 198.51.45.13 and 2a00:edc0:6259:7:13::2.
f.zeit-world.com has two IP addresses: 198.51.45.13 and 2a00:edc0:6259:7:13::2.
d.zeit-world.org has two IP addresses: 198.51.45.77 and 2a00:edc0:6259:7:13::4.
b.zeit-world.co.uk has two IP addresses: 198.51.45.13 and 2a00:edc0:6259:7:13::2.
Hosts with just one IP address:
a.zeit-world.net directs to 198.51.44.13.
Host names pointing to 198.51.44.13 IP addresses: ns1.vercel-dns.com and a.zeit-world.net.
The host names ns2.vercel-dns.com, f.zeit-world.com and b.zeit-world.co.uk each resolve to 2a00:edc0:6259:7:13::2.
The host names ns2.vercel-dns.com, f.zeit-world.com and b.zeit-world.co.uk each resolve to 198.51.45.13.
Mail Servers
Mail for upskill.study is handled by a single mail server, mx0.webpack.hosteurope.de.
upskill.study uses an identical mail server configuration to several other domains — among them ra-es.de, goap.net, mx0.bufa-weinheim.de and two more.
At least a portion of upskill.study's mail servers are shared with other domains, among them kappa-motion-media.com and bettyfordklinik.de.
mx0.webpack.hosteurope.de has exactly one IP number: 80.237.138.5.