ruby.sk - dns.ninja

ruby.sk

DNSSEC⚠️ Not signed
A212.89.225.162🇸🇰 AS12508212.89.224.0/19 Rainside s.r.o.
PTRruby.sk
NSns.sadman.sk ⭐
A212.89.225.153🇸🇰 AS12508212.89.224.0/19 Rainside s.r.o.
PTRsadman.net
NSns.ruby.sk
A212.89.225.153🇸🇰 AS12508212.89.224.0/19 Rainside s.r.o.
PTRsadman.net
NSns2.ruby.sk
A80.211.220.150🇨🇿 INTERNET-CZ80.211.192.0/19 INTERNET CZ,a.s.
PTR150.220.forpsi.net
MXmail.sadman.sk ⭐
A212.89.225.153🇸🇰 AS12508212.89.224.0/19 Rainside s.r.o.
PTRsadman.net
TXTv=spf1 mx -all
SOAns.sadman.skpostmaster@sadman.sk 2024-03-06 #3

sk

DNSSEC🔒 Signed (DS record present)
NSm.tld.sk ⭐
NSe.tld.sk
NSf.tld.sk
NSg.tld.sk
NSh.tld.sk
SOAm.tld.skhostmaster@sk-nic.sk serial=2018542528

PTR for

162.225.89.212.in-addr.arpa

Subdomains

ns2.ruby.sk
ns.ruby.sk

Same first word

ruby.farm
ruby.sa
ruby.biz
ruby.by
ruby.lighting
ruby.tools
ruby.eu
ruby.network
ruby.guru
ruby.pl
ruby.digital
ruby.gift
ruby.boutique
ruby.fm
ruby.awsapps.com
ruby.media
ruby.org.au
ruby.or.jp
ruby.social
ruby.so
ruby.com
ruby.blue
ruby.it
ruby.fr
ruby.ie
ruby.co.jp
ruby.build
ruby.direct
ruby.cn
ruby.us
ruby.co
ruby.ro
ruby.net
ruby.bingo
ruby.in
ruby.org
ruby.pet
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ruby.info
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ruby.lk
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ruby.today
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ruby.readthedocs.io
ruby.dj
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ruby.ph
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ruby.city
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ruby.do
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ruby.at
ruby.co.il
ruby.fyi

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DNS History

5 records (5 active, 0 former)

201020122014201620182020202220242026NSns.ruby.skns.sadman.skns2.ruby.skMXmail.sadman.skA212.89.225.162
●NSns.ruby.sk2009-01-14 → 2026-06-04 · 2 obs
● 2009-01-14 00:24:26
● 2026-06-04 03:34:00
●NSns.sadman.sk2015-08-18 → 2026-06-04 · 3 obs
○ 2009-01-14 00:24:26
● 2015-08-18 16:21:44
● 2026-06-04 03:34:00
●NSns2.ruby.sk2009-01-14 → 2026-06-04 · 2 obs
● 2009-01-14 00:24:26
● 2026-06-04 03:34:00
●MXmail.sadman.sk2009-01-14 → 2026-06-04 · 2 obs
● 2009-01-14 00:24:26
● 2026-06-04 03:34:00
●A212.89.225.1622009-01-14 → 2026-06-04 · 2 obs
● 2009-01-14 00:24:26
● 2026-06-04 03:34:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ske.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk-
ruby.skns.ruby.sk, ns2.ruby.sk2 records

✅ Authoritative Response

Server:212.89.225.153

NS records: ns.ruby.sk, ns2.ruby.sk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ruby.sk (unsigned zone)

⏱️ Timing

Total: 429ms | Queries: -

📄 Records

TypeCountSample Data
A1212.89.225.162
NS2ns2.ruby.sk, ns.ruby.sk
MX1mail.sadman.sk (pri: 10)
TXT1v=spf1 mx -all
SOA1ns.sadman.sk postmaster.sadman.sk

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns.ruby.sk, ns2.ruby.sk)

Analysis

Hierarchy

ns2.ruby.sk and ns.ruby.sk each fall under ruby.sk as their parent domain.

IP Addresses

ruby.sk resolves to just one IP address, 212.89.225.162.

Name Servers

ruby.sk carries NS records delegating to ns2.ruby.sk, ns.ruby.sk and ns.sadman.sk.

ruby.sk is at least partially co-delegated on name servers with other domains, such as sadman.sk.

It is common to find these name servers paired with the name servers ns2.sadman.sk.

Each of ns2.ruby.sk, ns.ruby.sk and ns.sadman.sk resolves to one IP address: ns2.ruby.sk to 80.211.220.150, and both ns.ruby.sk and ns.sadman.sk to 212.89.225.153.

ns.ruby.sk along with ns.sadman.sk each resolve to 212.89.225.153 IP addresses.

Mail Servers

The sole mail server for ruby.sk is mail.sadman.sk.

Mail server setup for ruby.sk matches that of other domains, among them god.sk.

The mail servers of ruby.sk are at least partially shared with other domains, including sadman.sk.

These mail servers often co-occur with the mail servers mail2.sadman.sk.

mail.sadman.sk carries a single IP number, which is 212.89.225.153.