polygraph.ru - dns.ninja

`polygraph.ru`

DNSSEC	⚠️ Not signed
NS	`dns1.yandex.net` ⭐
		A	2a02:6b8::213^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`dns1.yandex.net`
		A	213.180.204.213^{🇷🇺 TELETECH213.180.192.0/19 Yandex network}
			PTR	`dns1.yandex.net`
NS	`dns2.yandex.net`
		A	2a02:6b8:0:1::213^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`dns2.yandex.net`
		A	93.158.134.213^{🇷🇺 TELETECH93.158.128.0/18 Yandex enterprise network}
			PTR	`dns2.yandex.net`
MX	`mx.yandex.net` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`v=spf1 redirect=_spf.yandex.net`
SOA	`dns1.yandex.net`dns-hosting@yandex.ru serial=5

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069854

Subdomains

mail.polygraph.ru

Same first word

DNS History

19 records (3 active, 16 former)

●NSdns1.yandex.net2026-03-14 → 2026-08-03 · 3 obs

○ 2017-07-05 08:55:42
● 2026-03-14 18:40:28
● 2026-08-03 16:54:54

●NSdns2.yandex.net2026-03-14 → 2026-08-03 · 3 obs

○ 2017-07-05 08:55:42
● 2026-03-14 18:40:28
● 2026-08-03 16:54:54

○NSns.masterhost.ru2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○NSns1.d-n-s.ru2015-12-09 → 2017-07-05 · 5 obs

○ 2015-08-21 14:17:10
● 2015-12-09 04:00:32
● 2017-07-05 08:55:42
○ 2026-03-14 18:40:28
○ 2026-08-03 16:54:54

○NSns1.masterhost.ru2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○NSns2.d-n-s.ru2015-12-09 → 2017-07-05 · 5 obs

○ 2015-08-21 14:17:10
● 2015-12-09 04:00:32
● 2017-07-05 08:55:42
○ 2026-03-14 18:40:28
○ 2026-08-03 16:54:54

○NSns2.masterhost.ru2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○MXmail.polygraph.ru2015-12-09 → 2016-12-06 · 5 obs

○ 2015-08-21 14:17:10
● 2015-12-09 04:00:32
● 2016-12-06 05:35:44
○ 2017-07-05 08:55:42
○ 2026-08-03 16:54:54

●MXmx.yandex.net2017-07-05 → 2026-08-03 · 3 obs

○ 2016-12-06 05:35:44
● 2017-07-05 08:55:42
● 2026-08-03 16:54:54

○MXmx4.masterhost.ru2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○A2a00:15f8:a000:5:1:11:0:22ef2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○A2a00:15f8:a000:5:1:12:0:22ef2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○A2a00:15f8:a000:5:1:13:0:22ef2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○A2a00:15f8:a000:5:1:14:0:22ef2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○A90.156.201.182015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○A90.156.201.482015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○A90.156.201.502015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○A90.156.201.632015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 14:17:10
○ 2015-12-09 04:00:32
○ 2026-08-03 16:54:54

○A91.232.134.1672015-12-09 → 2017-07-05 · 5 obs

○ 2015-08-21 14:17:10
● 2015-12-09 04:00:32
● 2017-07-05 08:55:42
○ 2026-03-14 18:40:28
○ 2026-08-03 16:54:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	-
polygraph.ru	dns1.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 polygraph.ru (unsigned zone)

⏱️ Timing

Total: 1318ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns2.yandex.net, dns1.yandex.net`
MX	1	`mx.yandex.net (pri: 10)`
TXT	1	`v=spf1 redirect=_spf.yandex.net`
SOA	1	`dns1.yandex.net dns-hosting.yandex.ru`

Analysis

Hierarchy

polygraph.ru is a parent domain of mail.polygraph.ru.

Name Servers

Two name servers handle the delegation for polygraph.ru: dns1.yandex.net and dns2.yandex.net.

polygraph.ru uses the same name servers as several other domains — among them xn--90aip2acf.xn--p1ai, auditspb.ru, vrservice.kz and two more.

polygraph.ru shares at least some of its name servers with other domains, including r3s.ru, ivkukla.ru, cfr.pw and two others.

These name servers are frequently paired with the name servers dns1.yandex.ru and dns2.yandex.ru.

dns1.yandex.net and dns2.yandex.net both carry two IP addresses. The A records for dns1.yandex.net are 213.180.204.213 and 2a02:6b8::213; the A records for dns2.yandex.net are 93.158.134.213 and 2a02:6b8:0:1::213.

Mail Servers

Mail for polygraph.ru is handled by a single mail server, mx.yandex.net.

polygraph.ru uses an identical mail server configuration to several other domains — among them usdentalcare.com, goodlighting.ru, hizlisiparis.net and two more.

polygraph.ru has at least some mail servers in common with other domains, such as kofe-club.ru, rstone.ru, anamed.org.tr and erpetrol.com.

mx.yandex.net points to two IP addresses: 77.88.21.249 and 2a02:6b8::311.