courses.su - dns.ninja

courses.su

DNSSEC⚠️ Not signed
NSns1.shop.reg.ru ⚠️ Not in zone NS records
A89.108.89.143🇷🇺 AS-REGRU89.108.89.0/24 Reg.Ru
NSns2.shop.reg.ru ⚠️ Not in zone NS records
A89.108.89.143🇷🇺 AS-REGRU89.108.89.0/24 Reg.Ru

su

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=650209844

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DNS History

3 records (2 active, 1 former)

NSns1.shop.reg.runs2.shop.reg.ruA95.163.244.135
●NSns1.shop.reg.ru2026-02-15 → 2026-07-15 · 2 obs
● 2026-02-15 17:35:50
● 2026-07-15 12:48:00
●NSns2.shop.reg.ru2026-02-15 → 2026-07-15 · 2 obs
● 2026-02-15 17:35:50
● 2026-07-15 12:48:00
○A95.163.244.1352026-02-15 → 2026-05-18 · 4 obs
● 2026-02-15 17:35:50
● 2026-05-18 20:26:36
○ 2026-07-14 19:28:24
○ 2026-07-15 12:48:00

🔍 DNS Trace

Analysis

Name Servers

courses.su is served by two delegated name servers, ns1.shop.reg.ru and ns2.shop.reg.ru.

The name server configuration of courses.su is shared with other domains, for instance xn--c1acbe2apap.xn--p1ai, www.ironpost.ru, matamata.ru and two others.

ns1.shop.reg.ru and ns2.shop.reg.ru share one IP address between them — 89.108.89.143.

These two host names — ns1.shop.reg.ru and ns2.shop.reg.ru — each point to 89.108.89.143 IP addresses.