optimization.ru - dns.ninja

`optimization.ru`

DNSSEC	⚠️ Not signed
NS	`dns1.ashmanov.com` ⭐
		A	81.177.37.74^{🇷🇺 RTCOMM-AS81.177.32.0/20 RTCOMM-RU}
			PTR	`a74.ashmanov.com`
NS	`ns4-l2.nic.ru`
		A	91.217.20.20^{🇷🇺 RU-CENTER91.217.20.0/24}
			PTR	`ns4-l2.nic.ru`
NS	`ns8-l2.nic.ru`
		A	91.217.21.20^{🇷🇺 RU-CENTER-AS91.217.21.0/24 RU-CENTER}
			PTR	`ns8-l2.nic.ru`
TXT	`v=spf1 +a +mx include:ashmanov.com include:optimization.ru include:conf.optim...`
SOA	`dns1.ashmanov.com`ns@ashmanov.com 2026-04-15 #1

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069265

rank #849727 globally
rank #27092 in the tld
WOT: SAFE (77/100)

Same first word

DNS History

7 records (3 active, 4 former)

●NSdns1.ashmanov.com2015-08-10 → 2026-06-15 · 2 obs

● 2015-08-10 22:42:46
● 2026-06-15 17:00:24

●NSns4-l2.nic.ru2015-08-10 → 2026-06-15 · 2 obs

● 2015-08-10 22:42:46
● 2026-06-15 17:00:24

●NSns8-l2.nic.ru2015-08-10 → 2026-06-15 · 2 obs

● 2015-08-10 22:42:46
● 2026-06-15 17:00:24

○MXmx.ashmanov.com2015-08-10 → 2026-06-11 · 7 obs

● 2015-08-10 22:42:46
● 2026-03-08 21:07:32
○ 2026-03-28 11:57:40
○ 2026-06-08 05:07:26
● 2026-06-11 12:52:18
○ 2026-06-15 17:00:22
○ 2026-06-15 17:00:24

○MXmx2.ashmanov.com2015-08-10 → 2026-06-11 · 7 obs

● 2015-08-10 22:42:46
● 2026-03-08 21:07:32
○ 2026-03-28 11:57:40
○ 2026-06-08 05:07:26
● 2026-06-11 12:52:18
○ 2026-06-15 17:00:22
○ 2026-06-15 17:00:24

○A81.177.37.922016-06-24 → 2026-03-08 · 7 obs

○ 2016-05-11 05:48:10
● 2016-06-24 05:21:30
● 2026-02-21 14:01:02
○ 2026-03-08 20:36:38
● 2026-03-08 21:07:32
○ 2026-03-28 11:57:40
○ 2026-06-15 17:00:24

○A81.177.37.932015-08-10 → 2016-05-11 · 4 obs

● 2015-08-10 22:42:46
● 2016-05-11 05:48:10
○ 2016-06-24 05:21:30
○ 2026-06-15 17:00:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
optimization.ru	dns1.ashmanov.com, ns8-l2.nic.ru, ns4-l2.nic.ru	2 records

✅ Authoritative Response

Server:91.217.21.20

NS records: dns1.ashmanov.com, ns8-l2.nic.ru, ns4-l2.nic.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimization.ru (unsigned zone)

⏱️ Timing

Total: 1495ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	2	`mx2.ashmanov.com (pri: 300), mx.ashmanov.com (pri: 30)`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns8-l2.nic.ru, ns4-l2.nic.ru)

Analysis

Name Servers

optimization.ru is delegated to three name servers: dns1.ashmanov.com, ns4-l2.nic.ru and ns8-l2.nic.ru.

There is at least partial name server overlap between optimization.ru and other domains — eltribunotucuman.info, zario.ru, mosizolyator.com and two more among them.

These name servers tend to appear in combination with the name servers ns8-cloud.nic.ru, ns4-cloud.nic.ru, ns3-l2.nic.ru and ns.nanosemantics.ru.

dns1.ashmanov.com, ns4-l2.nic.ru and ns8-l2.nic.ru each resolve to a single IP address: dns1.ashmanov.com resolves to 81.177.37.74, ns4-l2.nic.ru resolves to 91.217.20.20 and ns8-l2.nic.ru resolves to 91.217.21.20.