edu-system.ru - robtex.com

edu-system.ru

DNSSEC⚠️ Not signed
NSns1.sprinthost.ru ⚠️ Not in zone NS records
A2a01:4f9:c011:aec0::1🇫🇮 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK
PTRns1.sprinthost.ru
A2a0a:2b42:7:7993::🇷🇺 SPRINTHOST2a0a:2b42::/32
PTRns1.sprinthost.ru
A84.201.185.148🇷🇺 YandexCloud84.201.184.0/22 Yandex Cloud
PTRns1.sprinthost.ru
A141.8.196.186🇷🇺 SPRINTHOST141.8.196.0/24 196
PTRns1.sprinthost.ru
A141.8.196.224🇷🇺 SPRINTHOST141.8.196.0/24 196
PTRns1.sprinthost.ru
NSns2.sprinthost.ru ⚠️ Not in zone NS records
A2a01:4f9:c011:aec0::2🇫🇮 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK
PTRns2.sprinthost.ru
A2a0a:2b42:0:a9cc::🇷🇺 SPRINTHOST2a0a:2b42::/32
PTRns2.sprinthost.ru
A138.249.246.35🇫🇮 ENETWORKS128.0.0.0/2
PTRns2.sprinthost.ru
A141.8.193.151🇷🇺 SPRINTHOST141.8.193.0/24 Sprinthost P17 route
PTRns2.sprinthost.ru
A185.185.68.190🇷🇺 SPRINTHOST185.185.68.0/22 Sprinthost
PTRns2.sprinthost.ru
NSns3.sprinthost.net ⚠️ Not in zone NS records
A2a03:b0c0:1:e0:0:1:9a89:2001🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean
PTRns3.sprinthost.net
A2a0a:2b42:9:2be7::🇷🇺 SPRINTHOST2a0a:2b42::/32
PTRns3.sprinthost.net
A95.217.7.113🇫🇮 Hetzner95.217.0.0/16 HETZNER-DC
PTRns3.sprinthost.net
A141.8.194.234🇷🇺 SPRINTHOST141.8.194.0/24 Sprinthost P17 route
PTRns3.sprinthost.net
A178.128.39.144🇬🇧 DIGITALOCEAN178.128.32.0/20 DigitalOcean
PTRns3.sprinthost.net
NSns4.sprinthost.net ⚠️ Not in zone NS records
A2a00:5da0:1000:1::2400🇰🇿 PSKZ-ALA2a00:5da0:1000::/48
PTRns4.sprinthost.net
A2a0a:2b42:5:1387::🇷🇺 SPRINTHOST2a0a:2b42::/32
PTRns4.sprinthost.net
A138.249.149.246🇫🇮 ENETWORKS128.0.0.0/2
PTRns4.sprinthost.net
A185.4.180.91🇰🇿 PSKZ-ALA185.4.180.0/24
PTRns4.sprinthost.net
A185.251.91.99🇷🇺 SPRINTHOST185.251.88.0/22
PTRns4.sprinthost.net

ru

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSc.tld-servers.ru
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=4069935

Same first word

edu-system.ru
edu-system.pl
edu-system.eu
edu-system.com

DNS History

4 records (4 active, 0 former)

NSns1.sprinthost.runs2.sprinthost.runs3.sprinthost.netns4.sprinthost.net
●NSns1.sprinthost.ru2026-04-10 → 2026-08-10 · 2 obs
● 2026-04-10 13:41:26
● 2026-08-10 10:29:14
●NSns2.sprinthost.ru2026-04-10 → 2026-08-10 · 2 obs
● 2026-04-10 13:41:26
● 2026-08-10 10:29:14
●NSns3.sprinthost.net2026-04-10 → 2026-08-10 · 2 obs
● 2026-04-10 13:41:26
● 2026-08-10 10:29:14
●NSns4.sprinthost.net2026-04-10 → 2026-08-10 · 2 obs
● 2026-04-10 13:41:26
● 2026-08-10 10:29:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rue.dns.ripn.net, a.dns.ripn.net, c.tld-servers.ru, b.dns.ripn.net...-
edu-system.runs4.sprinthost.net, ns3.sprinthost.net, ns1.sprinthost.ru, ns2.sprinthost.ru10 records

✅ Authoritative Response

Server:138.249.246.35

NS records: ns4.sprinthost.net, ns3.sprinthost.net, ns1.sprinthost.ru, ns2.sprinthost.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for edu-system.ru (unsigned zone)

⏱️ Timing

Total: 932ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns2.sprinthost.ru, ns2.sprinthost.ru, ns2.sprinthost.ru...)

Analysis

Name Servers

Four name servers handle the delegation for edu-system.ru: ns3.sprinthost.net, ns4.sprinthost.net, ns1.sprinthost.ru and ns2.sprinthost.ru.

The name servers of edu-system.ru overlap at least partially with those of other domains — among them santosfc.ru, superdog.ru, sky-worker39.ru and two more.

Hosts with five IP addresses:

ns3.sprinthost.net has IP addresses 95.217.7.113, 141.8.194.234 and 178.128.39.144 along with two other addresses.

ns4.sprinthost.net has IP addresses 138.249.149.246, 185.4.180.91 and 185.251.91.99 along with two other addresses.

ns1.sprinthost.ru has IP addresses 84.201.185.148, 141.8.196.186 and 141.8.196.224 along with two other addresses.

ns2.sprinthost.ru has IP addresses 138.249.246.35, 141.8.193.151 and 185.185.68.190 along with two other addresses.