studentum.nu - robtex.com

studentum.nu

DNSSEC⚠️ Not signed
A34.241.35.78🇮🇪 Amazon34.240.0.0/13 EC2 DUB prefix
PTRec2-34-241-35-78.eu-west-1.compute.amazonaws.com
A34.248.153.188🇮🇪 Amazon34.248.0.0/13 EC2 DUB prefix
A34.252.34.195🇮🇪 Amazon34.248.0.0/13 EC2 DUB prefix
NSns-494.awsdns-61.com ⭐
A2600:9000:5301:ee00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-494.awsdns-61.com
A205.251.193.238🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-494.awsdns-61.com
NSns-1332.awsdns-38.org
A2600:9000:5305:3400::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1332.awsdns-38.org
A205.251.197.52🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1332.awsdns-38.org
NSns-1575.awsdns-04.co.uk
A2600:9000:5306:2700::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1575.awsdns-04.co.uk
A205.251.198.39🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1575.awsdns-04.co.uk
NSns-703.awsdns-23.net
A2600:9000:5302:bf00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-703.awsdns-23.net
A205.251.194.191🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-703.awsdns-23.net
TXTv=spf1 a:studentum.nu ip4:195.35.82.130 ~all
SOAns-494.awsdns-61.comawsdns-hostmaster@amazon.com serial=1

nu

DNSSEC🔒 Signed (DS record present)
NScatcher-in-the-rye.nic.nu ⭐ 🔒
NSa.ns.nu 🔒
NSc.ns.nu 🔒
NSd.ns.nu 🔒
NSm.ns.nu 🔒
NSy.ns.nu 🔒
NSz.ns.nu 🔒
TXTid:f7ff97f5-bf95-4f58-8c35-f729a6390f96
TXTNU zone update: 2026-02-17 01:10:58 +0000 (EPOCH 1771290658) (auto)
SOAcatcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1771290745
WOT: SAFE (73/100)

Subdomains

www.studentum.nu

Same first word

studentum.no
studentum.name
studentum.org
studentum.nl
studentum.fr
studentum.com
studentum.in
studentum.dk
studentum.fi
studentum.net
studentum.cz
studentum.de
studentum.se
studentum.nu
studentum.biz

Similar names

mustudent.ac.tz
mustudent.com
tumenstud.ru

DNS History

19 records (7 active, 12 former)

20162017201820192020202120222023202420252026NSns-1332.awsdns-38.orgns-1575.awsdns-04.co.ukns-494.awsdns-61.comns-703.awsdns-23.netA34.241.35.7834.248.153.18834.252.34.195176.34.182.6234.251.213.1634.255.148.4646.137.156.8646.137.77.5946.137.81.17446.137.91.25554.216.254.17854.229.55.24454.75.233.21763.32.147.12263.32.153.203
●NSns-1332.awsdns-38.org2015-06-09 → 2026-03-12 · 2 obs
● 2015-06-09 17:00:24
● 2026-03-12 23:31:58
●NSns-1575.awsdns-04.co.uk2015-06-09 → 2026-03-12 · 2 obs
● 2015-06-09 17:00:24
● 2026-03-12 23:31:58
●NSns-494.awsdns-61.com2015-06-09 → 2026-03-12 · 2 obs
● 2015-06-09 17:00:24
● 2026-03-12 23:31:58
●NSns-703.awsdns-23.net2015-06-09 → 2026-03-12 · 2 obs
● 2015-06-09 17:00:24
● 2026-03-12 23:31:58
○A176.34.182.622015-06-09 → 2016-02-03 · 5 obs
● 2015-06-09 17:00:24
○ 2015-11-07 17:46:54
● 2016-02-03 05:08:00
○ 2016-05-09 00:06:06
○ 2026-03-12 23:31:58
●A34.241.35.782026-03-12 → 2026-03-12 · 2 obs
○ 2020-01-17 05:30:30
● 2026-03-12 23:31:58
●A34.248.153.1882026-03-12 → 2026-03-12 · 2 obs
○ 2020-01-17 05:30:30
● 2026-03-12 23:31:58
○A34.251.213.162020-01-17 → 2020-01-17 · 3 obs
○ 2016-09-07 18:18:40
● 2020-01-17 05:30:30
○ 2026-03-12 23:31:58
●A34.252.34.1952026-03-12 → 2026-03-12 · 2 obs
○ 2020-01-17 05:30:30
● 2026-03-12 23:31:58
○A34.255.148.462020-01-17 → 2020-01-17 · 3 obs
○ 2016-09-07 18:18:40
● 2020-01-17 05:30:30
○ 2026-03-12 23:31:58
○A46.137.156.862015-06-09 → 2015-06-09 · 2 obs
● 2015-06-09 17:00:24
○ 2026-03-12 23:31:58
○A46.137.77.592016-05-09 → 2016-05-09 · 4 obs
○ 2016-02-03 05:08:00
● 2016-05-09 00:06:06
○ 2016-07-13 10:15:18
○ 2026-03-12 23:31:58
○A46.137.81.1742016-07-13 → 2016-07-13 · 4 obs
○ 2016-05-09 00:06:06
● 2016-07-13 10:15:18
○ 2016-09-07 18:18:40
○ 2026-03-12 23:31:58
○A46.137.91.2552016-09-07 → 2016-09-07 · 4 obs
○ 2016-07-13 10:15:18
● 2016-09-07 18:18:40
○ 2020-01-17 05:30:30
○ 2026-03-12 23:31:58
○A54.216.254.1782026-03-12 → 2026-03-12 · 1 obs
○ 2026-03-12 23:31:58
○A54.229.55.2442026-03-12 → 2026-03-12 · 1 obs
○ 2026-03-12 23:31:58
○A54.75.233.2172015-11-07 → 2015-11-07 · 4 obs
○ 2015-06-09 17:00:24
● 2015-11-07 17:46:54
○ 2016-02-03 05:08:00
○ 2026-03-12 23:31:58
○A63.32.147.1222026-03-12 → 2026-03-12 · 1 obs
○ 2026-03-12 23:31:58
○A63.32.153.2032020-01-17 → 2020-01-17 · 3 obs
○ 2016-09-07 18:18:40
● 2020-01-17 05:30:30
○ 2026-03-12 23:31:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nua.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu...-
studentum.nuns-1332.awsdns-38.org, ns-1575.awsdns-04.co.uk, ns-494.awsdns-61.com, ns-703.awsdns-23.net-

✅ Authoritative Response

Server: 205.251.198.39

NS records: ns-1332.awsdns-38.org, ns-1575.awsdns-04.co.uk, ns-494.awsdns-61.com, ns-703.awsdns-23.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studentum.nu (unsigned zone)

⏱️ Timing

Total: 890ms | Queries: -

📄 Records

TypeCountSample Data
A334.252.34.195, 34.248.153.188...
NS4ns-1332.awsdns-38.org, ns-1575.awsdns-04.co.uk...
TXT1v=spf1 a:studentum.nu ip4:195.35.82.130
SOA1ns-494.awsdns-61.com awsdns-hostmaster.a

Analysis

Hierarchy

The parent of www.studentum.nu is studentum.nu.

IP Addresses

studentum.nu points to three IPs: 34.241.35.78, 34.248.153.188 and 34.252.34.195.

Other host names, for instance firmakurser.com, www.health-and-safety-training.net, ekonomi-program.net, universitetsutdanning.no and spelapaintball.nu share IP numbers with studentum.nu.

Name Servers

studentum.nu is delegated to four name servers: ns-494.awsdns-61.com, ns-703.awsdns-23.net, ns-1332.awsdns-38.org and ns-1575.awsdns-04.co.uk.

studentum.nu shares name servers with other domains at least partially, for instance full-count.cloud-partner.site, ec2-52-49-138-0.eu-west-1.compute.amazonaws.com, d2p7d8x5b4x1dz.cloudfront.net, ritrovoplayavista.com and poswalker.com.

Host names with two IP numbers:

ns-494.awsdns-61.com resolves to 2600:9000:5301:ee00::1 and 205.251.193.238.

ns-703.awsdns-23.net resolves to 2600:9000:5302:bf00::1 and 205.251.194.191.

ns-1332.awsdns-38.org resolves to 2600:9000:5305:3400::1 and 205.251.197.52.

ns-1575.awsdns-04.co.uk resolves to 2600:9000:5306:2700::1 and 205.251.198.39.