perf.su - dns.ninja

perf.su

DNSSEC⚠️ Not signed
A2a03:6f00:1::5c35:7255🇷🇺 TimeWeb-AS2a03:6f00:1::/48 TIMEWEB-v6-48-1
PTRfortuna.timeweb.ru
A92.53.96.223🇷🇺 TimeWeb-AS92.53.96.0/24
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
MXmx.yandex.net ⭐
A2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network
PTRmxfront.stable.qloud-b.yandex.net
A77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network
PTRmxfront.stable.qloud-b.yandex.net
TXTv=spf1 include:_spf.yandex.net include:spf.unisender.com ~all
SOAdns1.yandex.netdns-hosting@yandex.ru serial=20

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=650209942

Same first word

perf.run
perf.solutions
perf.kasserver.com
perf.co
perf.pro
perf.bar
perf.us
perf.su
perf.tips
perf.eu
perf.de
perf.fr
perf.media
perf.cz
perf.pl
perf.systems
perf.dk
perf.com
perf.io
perf.compare
perf.coop
perf.net
perf.ch
perf.nu
perf.guru
perf.email
perf.ru
perf.ly
perf.link
perf.cloud
perf.expert

Similar names

pfer.org
fpre.ru
epfr.nl
efpr.it
pref.aomori.jp
pref.hyogo.jp
erfp.ca
repf.se
ferp.br
ferp.fi
pfre.net
fpre.de
frep.nl
frep.info
epfr.ru
pref.online
refp.biz
pref.in
fepr.cn
erfp.ru
pref.aichi.jp
pref.fukushima.jp
pref.kagoshima.jp
pref.gouv.fr
frpe.dk
pefr.net
pref.gifu.jp
eprf.eu
rfep.net
efrp.com
efpr.nl
ferp.in
eprf.de
erpf.org
pref.org.ua
fpre.com
pref.fr
pref.shimane.jp
pref.osaka.jp
pref.tokushima.jp
pfer.com
pref.shiga.jp
fpre.net
frep.cz
erfp.de
ferp.de
pfre.org
erfp.info
pref.es
fpre.org
efrp.xyz
efpr.fr
pref.de
pref.ishikawa.jp
epfr.net
efpr.at
efrp.org
pref.yamagata.jp
rpfe.com
ferp.it
pref.eu
erpf.info
pref.iwate.jp
pref.tochigi.jp
pref.tottori.jp
refp.org
pref.hiroshima.jp
erfp.com
frep.de
fper.ru
pref.oita.jp
pref.pr.gov.br
pref.fukui.jp
pref.shizuoka.jp
pref.org.pl
ferp.com.au
efrp.me
efrp.ru
pref.com.my
pref.saitama.jp
frep.fr

DNS History

12 records (5 active, 7 former)

2017201820192020202120222023202420252026NSdns1.yandex.netdns2.yandex.netns1.timeweb.runs2.timeweb.runs3.timeweb.orgns4.timeweb.orgMXmx.yandex.netmx1.timeweb.rumx2.timeweb.ruA2a03:6f00:1::5c35:725592.53.96.22392.53.114.85
●NSdns1.yandex.net2026-03-03 → 2026-07-23 · 3 obs
○ 2017-06-24 02:31:02
● 2026-03-03 09:02:12
● 2026-07-23 16:33:52
●NSdns2.yandex.net2026-03-03 → 2026-07-23 · 3 obs
○ 2017-06-24 02:31:02
● 2026-03-03 09:02:12
● 2026-07-23 16:33:52
○NSns1.timeweb.ru2016-03-08 → 2017-06-24 · 4 obs
● 2016-03-08 06:34:26
● 2017-06-24 02:31:02
○ 2026-03-03 09:02:12
○ 2026-07-23 16:33:52
○NSns2.timeweb.ru2016-03-08 → 2017-06-24 · 4 obs
● 2016-03-08 06:34:26
● 2017-06-24 02:31:02
○ 2026-03-03 09:02:12
○ 2026-07-23 16:33:52
○NSns3.timeweb.org2016-03-08 → 2017-06-24 · 4 obs
● 2016-03-08 06:34:26
● 2017-06-24 02:31:02
○ 2026-03-03 09:02:12
○ 2026-07-23 16:33:52
○NSns4.timeweb.org2016-03-08 → 2017-06-24 · 4 obs
● 2016-03-08 06:34:26
● 2017-06-24 02:31:02
○ 2026-03-03 09:02:12
○ 2026-07-23 16:33:52
●MXmx.yandex.net2026-03-03 → 2026-07-23 · 3 obs
○ 2017-06-24 02:31:02
● 2026-03-03 09:02:12
● 2026-07-23 16:33:52
○MXmx1.timeweb.ru2016-03-08 → 2017-06-24 · 4 obs
● 2016-03-08 06:34:26
● 2017-06-24 02:31:02
○ 2026-03-03 09:02:12
○ 2026-07-23 16:33:52
○MXmx2.timeweb.ru2016-03-08 → 2017-06-24 · 4 obs
● 2016-03-08 06:34:26
● 2017-06-24 02:31:02
○ 2026-03-03 09:02:12
○ 2026-07-23 16:33:52
●A2a03:6f00:1::5c35:72552016-03-08 → 2026-07-23 · 2 obs
● 2016-03-08 06:34:26
● 2026-07-23 16:33:52
○A92.53.114.852016-03-08 → 2017-06-24 · 4 obs
● 2016-03-08 06:34:26
● 2017-06-24 02:31:02
○ 2026-03-03 09:02:12
○ 2026-07-23 16:33:52
●A92.53.96.2232026-03-03 → 2026-07-23 · 3 obs
○ 2017-06-24 02:31:02
● 2026-03-03 09:02:12
● 2026-07-23 16:33:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sub.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net...10 records
perf.sudns1.yandex.net, dns2.yandex.net-

✅ Authoritative Response

Server:213.180.204.213

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for perf.su (unsigned zone)

⏱️ Timing

Total: 2772ms | Queries: -

📄 Records

TypeCountSample Data
A192.53.96.223
AAAA12a03:6f00:1::5c35:7255
NS2dns2.yandex.net, dns1.yandex.net
MX1mx.yandex.net (pri: 10)
TXT1v=spf1 include:_spf.yandex.net include:s
SOA1dns1.yandex.net dns-hosting.yandex.ru

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)

Analysis

IP Addresses

perf.su points to the IP addresses 92.53.96.223 and 2a03:6f00:1::5c35:7255

supercollections.ru, www.venasera.ru, venasera.ru and two other host names share IP numbers with perf.su.

Name Servers

DNS delegation for perf.su points to two name servers: dns1.yandex.net and dns2.yandex.net.

perf.su uses the same name servers as several other domains — among them 5starconsult.com, ladynerd.ru, pen-ce.com and two more.

The name servers of perf.su overlap at least partially with those of other domains — among them laika.pro, podparusom.ru, flashki.ru and two more.

These name servers commonly appear in delegations together with dns1.yandex.ru, dns2.yandex.ru, ns3-l2.nic.ru and 4 other.

dns1.yandex.net directs to 213.180.204.213 and 2a02:6b8::213. dns2.yandex.net directs to 93.158.134.213 and 2a02:6b8:0:1::213. Each host name carries two IP addresses.

Mail Servers

Mail for perf.su is handled by a single mail server, mx.yandex.net.

perf.su uses an identical mail server configuration to several other domains — among them sys39.ru, pkns.ru, kaminhall.ru and two more.

perf.su has at least partial mail server overlap with other domains such as thiscode.ru, antagroup.ru, 72th.ru and two more.

mx.yandex.net resolves to two IP numbers — 77.88.21.249 and 2a02:6b8::311.