sysadmins.su - dns.ninja

sysadmins.su

DNSSEC⚠️ Not signed
NSdns1.yandex.net ⭐
A2a02:6b8::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network
PTRdns1.yandex.net
A213.180.204.213🇷🇺 TELETECH213.180.192.0/19 Yandex network
PTRdns1.yandex.net
NSdns2.yandex.net
A2a02:6b8:0:1::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network
PTRdns2.yandex.net
A93.158.134.213🇷🇺 TELETECH93.158.128.0/18 Yandex enterprise network
PTRdns2.yandex.net
TXTv=spf1 redirect=_spf.yandex.net
SOAdns1.yandex.netdns-hosting@yandex.ru serial=10

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=650210204
WOT: UNKNOWN (61/100)
⚠️ On DNS blocklist: spam-tlds

Subdomains

mail.sysadmins.su

Same first word

sysadmins.net
sysadmins.de
sysadmins.fi
sysadmins.cz
sysadmins.ca
sysadmins.nl
sysadmins.su
sysadmins.pl
sysadmins.by
sysadmins.co.za
sysadmins.com.ua
sysadmins.ro
sysadmins.zone
sysadmins.it
sysadmins.co.uk
sysadmins.pro
sysadmins.in
sysadmins.online
sysadmins.ru
sysadmins.ch
sysadmins.tv
sysadmins.us
sysadmins.com
sysadmins.biz
sysadmins.spb.ru
sysadmins.co
sysadmins.ws
sysadmins.cc
sysadmins.kz
sysadmins.club
sysadmins.eu
sysadmins.bg

Similar names

sandysims.com
misssandy.com
ssysadmin.com
sandymiss.com

DNS History

9 records (2 active, 7 former)

200920112013201520172019202120232025NSdns1.yandex.netdns2.yandex.netns.masterhost.runs1.masterhost.runs2.masterhost.ruMXmx.yandex.netmx1.sysadmins.suA213.85.107.14177.37.154.14
●NSdns1.yandex.net2026-03-07 → 2026-08-14 · 3 obs
○ 2016-09-08 08:58:40
● 2026-03-07 23:25:38
● 2026-08-14 09:11:44
●NSdns2.yandex.net2026-03-07 → 2026-08-14 · 3 obs
○ 2016-09-08 08:58:40
● 2026-03-07 23:25:38
● 2026-08-14 09:11:44
○NSns.masterhost.ru2008-06-04 → 2016-09-08 · 4 obs
● 2008-06-04 20:31:52
● 2016-09-08 08:58:40
○ 2026-03-07 23:25:38
○ 2026-08-14 09:11:44
○NSns1.masterhost.ru2008-06-04 → 2016-09-08 · 4 obs
● 2008-06-04 20:31:52
● 2016-09-08 08:58:40
○ 2026-03-07 23:25:38
○ 2026-08-14 09:11:44
○NSns2.masterhost.ru2008-06-04 → 2016-09-08 · 4 obs
● 2008-06-04 20:31:52
● 2016-09-08 08:58:40
○ 2026-03-07 23:25:38
○ 2026-08-14 09:11:44
○MXmx.yandex.net2015-11-10 → 2016-09-08 · 4 obs
○ 2015-10-28 21:49:20
● 2015-11-10 17:56:50
● 2016-09-08 08:58:40
○ 2026-08-14 09:11:44
○MXmx1.sysadmins.su2008-06-04 → 2015-10-28 · 4 obs
● 2008-06-04 20:31:52
● 2015-10-28 21:49:20
○ 2015-11-10 17:56:50
○ 2026-08-14 09:11:44
○A213.85.107.1412008-06-04 → 2008-06-04 · 3 obs
● 2008-06-04 20:31:52
○ 2015-08-13 10:22:22
○ 2026-08-14 09:11:44
○A77.37.154.142015-08-13 → 2016-09-08 · 5 obs
○ 2008-06-04 20:31:52
● 2015-08-13 10:22:22
● 2016-09-08 08:58:40
○ 2026-03-07 23:25:38
○ 2026-08-14 09:11:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
suc.tld-servers.ru, e.dns.ripn.net, a.dns.ripn.net, f.dns.ripn.net...-
sysadmins.sudns2.yandex.net, dns1.yandex.net-

✅ Authoritative Response

Server:93.158.134.213

NS records: dns2.yandex.net, dns1.yandex.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysadmins.su (unsigned zone)

⏱️ Timing

Total: 1030ms | Queries: -

📄 Records

TypeCountSample Data
MX1mx.yandex.net (pri: 10)
TXT1v=spf1 redirect=_spf.yandex.net
SOA1dns1.yandex.net dns-hosting.yandex.ru

Analysis

Hierarchy

sysadmins.su serves as the parent of mail.sysadmins.su.

Name Servers

The NS records for sysadmins.su delegate to dns1.yandex.net and dns2.yandex.net.

sysadmins.su shares its name server setup with other domains, including start-x.by, wldws.com, antara.su and two others.

sysadmins.su has at least partial name server overlap with other domains, such as mirrors-store.ru, blagraion.ru, phblog.ru and two others.

It is common to see these name servers used together with name servers dns1.yandex.ru and dns2.yandex.ru.

dns1.yandex.net resolves to 213.180.204.213 and 2a02:6b8::213. Likewise, dns2.yandex.net resolves to 93.158.134.213 and 2a02:6b8:0:1::213 — two IP addresses apiece.