sth.su - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

sth.su

DNSSEC⚠️ Not signed
A212.113.114.126🇷🇺 CITYTELECOM-AS212.113.114.0/23
NSarnold.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b45🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
A2803:f800:50::6ca2:c145🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRarnold.ns.cloudflare.com
A2a06:98c1:50::ac40:2145🇺🇸 Cloudflare2a06:98c1:50::/45
PTRarnold.ns.cloudflare.com
A108.162.193.69🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
A172.64.33.69🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
A173.245.59.69🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
NSrita.ns.cloudflare.com
A2606:4700:50::adf5:3a8c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrita.ns.cloudflare.com
A2803:f800:50::6ca2:c08c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrita.ns.cloudflare.com
A2a06:98c1:50::ac40:208c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrita.ns.cloudflare.com
A108.162.192.140🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrita.ns.cloudflare.com
A172.64.32.140🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrita.ns.cloudflare.com
A173.245.58.140🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrita.ns.cloudflare.com
MXspbstu.synology.me ⭐
A212.113.114.126🇷🇺 CITYTELECOM-AS212.113.114.0/23
MXsciorg.synology.me(20)
A212.113.114.126🇷🇺 CITYTELECOM-AS212.113.114.0/23
TXTv=spf1 +a:synology.me +a:synology.com +a:nybyen.synology.me +a:smtp.nybyen.sy...
SOAarnold.ns.cloudflare.comdns@cloudflare.com serial=2410031261

su

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=650210224
⚠️ On DNS blocklist: spam-tlds

Subdomains

www.sth.su

Same first word

sth.com.vn
sth.me
sth.se
sth.nhs.uk
sth.pl
sth.am
sth.org
sth.email
sth.us
sth.is
sth.tv
sth.digital
sth.org.pk
sth.jp
sth.fi
sth.ru
sth.su
sth.at
sth.com.hk
sth.ch
sth.vn
sth.asia
sth.be
sth.cn
sth.cz
sth.com.au
sth.hu
sth.by
sth.de
sth.nu
sth.net.tr
sth.lt
sth.fr
sth.nz
sth.host
sth.holdings
sth.hr
sth.it
sth.tr
sth.info
sth.es
sth.cx
sth.co.at
sth.dz
sth.cl
sth.com.sg
sth.lu
sth.cc
sth.org.pl
sth.go.th
sth.com.tr
sth.ir
sth.biz
sth.ae
sth.cool
sth.srv.br
sth.pe
sth.ro
sth.net.br
sth.si
sth.org.hk
sth.or.jp
sth.sh
sth.kasserver.com
sth.no
sth.com.ua
sth.nl

Similar names

tsh.com.sg
tsh.name
ths.co.zw
ths.mobi
hst.com.my
tsh.pl
ths.kasserver.com
sht.io
hst.world
hst.cz
hts.com
sht.jp
tsh.bg
hts.gov.cn
hst.center
hts.consulting
hts.info
hts.net.id
hst.name
hts.si
hts.tv
tsh.ir
ths.net.cn
ths.asia
tsh.be
ths.su
sht.me
ths.se
hst.ro
hts.se
sht.org
ths.org.uk
ths.is
ths.com.au
hst.asia
ths.or.at
ths.school.nz
hst.fr
hts.no
hst.it
ths.com.ua
hts.on.ca
hts.lv
hst.email
ths.eng.br
hts.kharkov.ua
ths.org
hst.gob.pa
hts.be
ths.es
hts.co.jp
tsh.asia
hst.no
hts.com.pl
hst.com.tw
sht.ee
sht.su
hst.ng
hst.systems
hst.biz
hts.com.ua
hts.co
tsh.com.my
tsh.org.au
hst.digital
hts.li
hst.eu
ths.tattoo
sht.ca
ths.pl
hts.com.br
ths.systems
ths.sk
hst.ca
ths.de
hts.ac.th
hts.es
hst.sh
hst.nl
sht.as
hst.com.br
hts.rs
tsh.cn
sht.de
sht.mo.cn
ths.firewall-gateway.de
hst.com.ar
ths.it
hst.us
sht.it
ths.ne.jp
hts.asia
sht.hu
tsh.menu
hst.net.br
tsh.edu.in
hst.in
hst.com.ph
hts.com.do
hst.com.ec
ths.ac.th
hts.jp
ths.ch
sht.com.tw
hts.de
hst.com.hk
hst.com
sht.cz
sht.be
ths.com.tw
ths.ac.in

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSarnold.ns.cloudflare.comrita.ns.cloudflare.comns1.hosting.reg.runs2.hosting.reg.ruserver77.hosting.reg.ruMXsciorg.synology.mespbstu.synology.memx1.hosting.reg.rumx2.hosting.reg.ruA212.113.114.12637.140.192.241
●NSarnold.ns.cloudflare.com2026-02-25 → 2026-08-16 · 3 obs
○ 2016-12-28 13:37:08
● 2026-02-25 16:34:06
● 2026-08-16 02:24:54
○NSns1.hosting.reg.ru2015-08-23 → 2016-12-28 · 4 obs
● 2015-08-23 07:40:44
● 2016-12-28 13:37:08
○ 2026-02-25 16:34:06
○ 2026-08-16 02:24:54
○NSns2.hosting.reg.ru2015-08-23 → 2016-12-28 · 4 obs
● 2015-08-23 07:40:44
● 2016-12-28 13:37:08
○ 2026-02-25 16:34:06
○ 2026-08-16 02:24:54
●NSrita.ns.cloudflare.com2026-02-25 → 2026-08-16 · 3 obs
○ 2016-12-28 13:37:08
● 2026-02-25 16:34:06
● 2026-08-16 02:24:54
○NSserver77.hosting.reg.ru2015-08-23 → 2016-12-28 · 4 obs
● 2015-08-23 07:40:44
● 2016-12-28 13:37:08
○ 2026-02-25 16:34:06
○ 2026-08-16 02:24:54
○MXmx1.hosting.reg.ru2015-08-23 → 2016-12-28 · 4 obs
● 2015-08-23 07:40:44
● 2016-12-28 13:37:08
○ 2026-02-25 16:34:06
○ 2026-08-16 02:24:54
○MXmx2.hosting.reg.ru2015-08-23 → 2016-12-28 · 4 obs
● 2015-08-23 07:40:44
● 2016-12-28 13:37:08
○ 2026-02-25 16:34:06
○ 2026-08-16 02:24:54
●MXsciorg.synology.me2026-02-25 → 2026-08-16 · 3 obs
○ 2016-12-28 13:37:08
● 2026-02-25 16:34:06
● 2026-08-16 02:24:54
●MXspbstu.synology.me2026-02-25 → 2026-08-16 · 3 obs
○ 2016-12-28 13:37:08
● 2026-02-25 16:34:06
● 2026-08-16 02:24:54
●A212.113.114.1262026-02-25 → 2026-08-16 · 3 obs
○ 2016-12-28 13:37:08
● 2026-02-25 16:34:06
● 2026-08-16 02:24:54
○A37.140.192.2412015-08-23 → 2016-12-28 · 4 obs
● 2015-08-23 07:40:44
● 2016-12-28 13:37:08
○ 2026-02-25 16:34:06
○ 2026-08-16 02:24:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sua.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...-
sth.surita.ns.cloudflare.com, arnold.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.69

NS records: rita.ns.cloudflare.com, arnold.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sth.su (unsigned zone)

⏱️ Timing

Total: 948ms | Queries: -

📄 Records

TypeCountSample Data
A1212.113.114.126
NS2arnold.ns.cloudflare.com, rita.ns.cloudflare.com
MX2spbstu.synology.me (pri: 10), sciorg.synology.me (pri: 20)
TXT1v=spf1 +a:synology.me +a:synology.com +a
SOA1arnold.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

sth.su serves as the parent of www.sth.su.

IP Addresses

sth.su resolves to just one IP address, 212.113.114.126.

Two other host names, along with sciorg.synology.me, spbstu.net and oing.ru, also share IP numbers with sth.su.

Name Servers

The NS records for sth.su delegate to arnold.ns.cloudflare.com and rita.ns.cloudflare.com.

sth.su shares its NS records with other domains, for example voloagency.com, keyincentiv.com, in54.com and two others.

sth.su has at least partial name server overlap with other domains, such as appboycdn.com, imin.cz, kirklareliescortgo.com and two others.

It is common to see these name servers used together with name servers watson.ns.cloudflare.com and andy.ns.cloudflare.com.

DNS names with 6 IP addresses:

arnold.ns.cloudflare.com maps to 108.162.193.69, 172.64.33.69, 173.245.59.69 and 3 additional IP addresses.

rita.ns.cloudflare.com maps to 108.162.192.140, 172.64.32.140, 173.245.58.140 and 3 additional IP addresses.

Mail Servers

sth.su is served by two mail servers, sciorg.synology.me and spbstu.synology.me.

Mail server setup for sth.su matches that of other domains, among them spbstu.net.

The mail servers of sth.su are at least partially shared with other domains, including oing.ru.

These mail servers tend to appear together with the mail servers nybyen.synology.me, spbstu.ddns.net and mx.yandex.ru.

Each of sciorg.synology.me and spbstu.synology.me points to exactly one IP address: 212.113.114.126.

sciorg.synology.me and spbstu.synology.me each have 212.113.114.126 IP addresses.