optimization-handbook.guru - robtex.com

optimization-handbook.guru

DNSSEC⚠️ Not signed
A37.9.7.250🇷🇺 SELECTEL-MSK37.9.6.0/23 Selectel Route Object
NSns1.reg.ru ⭐
A2a00:f940:9::1:1🇷🇺 AS-REGRU2a00:f940:9::/48 Reg.Ru Hosting
A2a00:f940:9::2:1🇷🇺 AS-REGRU2a00:f940:9::/48 Reg.Ru Hosting
A176.99.13.11🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru
PTRns1.reg.ru
A176.99.13.13🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru
PTRns1.reg.ru
A176.99.13.15🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru
PTRns1.reg.ru
A176.99.13.17🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru
PTRns1.reg.ru
A194.58.117.11🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru
PTRns1.reg.ru
A194.58.117.13🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru
PTRns1.reg.ru
A194.58.117.15🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru
PTRns1.reg.ru
A194.58.117.17🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru
PTRns1.reg.ru
NSns2.reg.ru
A2a00:f940:9::1:2🇷🇺 AS-REGRU2a00:f940:9::/48 Reg.Ru Hosting
A2a00:f940:9::2:2🇷🇺 AS-REGRU2a00:f940:9::/48 Reg.Ru Hosting
A176.99.13.12🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru
PTRns2.reg.ru
A176.99.13.14🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru
PTRns2.reg.ru
A176.99.13.16🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru
PTRns2.reg.ru
A176.99.13.18🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru
PTRns2.reg.ru
A194.58.117.12🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru
PTRns2.reg.ru
A194.58.117.14🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru
PTRns2.reg.ru
A194.58.117.16🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru
PTRns2.reg.ru
A194.58.117.18🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru
PTRns2.reg.ru
SOAns1.reg.ruhostmaster@ns1.reg.ru serial=1756076979

guru

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.guru ⭐
NSv0n1.nic.guru
NSv0n2.nic.guru
NSv0n3.nic.guru
NSv2n0.nic.guru
NSv2n1.nic.guru
SOAv0n0.nic.guruhostmaster@donuts.email serial=1783855398

Same first word

optimization-handbook.guru

DNS History

6 records (3 active, 3 former)

2017201820192020202120222023202420252026NSns1.reg.runs2.reg.runs1.ontico.runs2.ontico.ruA37.9.7.25062.152.56.18
○NSns1.ontico.ru2016-12-11 → 2017-10-20 · 4 obs
● 2016-12-11 00:26:02
● 2017-10-20 00:26:50
○ 2026-06-10 02:06:08
○ 2026-07-12 11:48:24
●NSns1.reg.ru2026-06-10 → 2026-07-12 · 3 obs
○ 2017-10-20 00:26:50
● 2026-06-10 02:06:08
● 2026-07-12 11:48:24
○NSns2.ontico.ru2016-12-11 → 2017-10-20 · 4 obs
● 2016-12-11 00:26:02
● 2017-10-20 00:26:50
○ 2026-06-10 02:06:08
○ 2026-07-12 11:48:24
●NSns2.reg.ru2026-06-10 → 2026-07-12 · 3 obs
○ 2017-10-20 00:26:50
● 2026-06-10 02:06:08
● 2026-07-12 11:48:24
●A37.9.7.2502026-06-10 → 2026-07-12 · 3 obs
○ 2017-10-20 00:26:50
● 2026-06-10 02:06:08
● 2026-07-12 11:48:24
○A62.152.56.182016-12-11 → 2017-10-20 · 4 obs
● 2016-12-11 00:26:02
● 2017-10-20 00:26:50
○ 2026-06-10 02:06:08
○ 2026-07-12 11:48:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
guruv2n1.nic.guru, v0n3.nic.guru, v0n1.nic.guru, v0n0.nic.guru...12 records
optimization-handbook.guruns1.reg.ru, ns2.reg.ru-

✅ Authoritative Response

Server:176.99.13.11

NS records: ns1.reg.ru, ns2.reg.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimization-handbook.guru (unsigned zone)

⏱️ Timing

Total: 1021ms | Queries: -

📄 Records

TypeCountSample Data
A137.9.7.250
NS2ns1.reg.ru, ns2.reg.ru
SOA1ns1.reg.ru hostmaster.ns1.reg.ru

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.guru, v2n1.nic.guru, v0n3.nic.guru...)

Analysis

IP Addresses

optimization-handbook.guru has exactly one IP address — 37.9.7.250.

golangconf.ru, conf.ontico.ru, aletheia.business plus two other host names have IP numbers in common with optimization-handbook.guru.

Name Servers

optimization-handbook.guru uses two name servers for its delegation: ns1.reg.ru and ns2.reg.ru.

The name server configuration of optimization-handbook.guru is shared with other domains, for instance nikanova.ru, welstr.com, dveris.ru and two others.

At least some of optimization-handbook.guru's name servers are also used by other domains, among them juliana-puchkova.ru.

Hosts with 10 IP addresses each:

Hostname ns1.reg.ru directs to 176.99.13.11, 176.99.13.13 and 176.99.13.15 along with 7 other IP addresses.

Hostname ns2.reg.ru directs to 176.99.13.12, 176.99.13.14 and 176.99.13.16 along with 7 other IP addresses.