sintcode.ru - dns.ninja

`sintcode.ru`

DNSSEC	⚠️ Not signed
A	161.104.32.164^{🇫🇷 UNSPECIFIED160.0.0.0/3}
		PTR	`mail.sintcode.ru`
NS	`a.ns.selectel.ru` ⭐
		A	2a00:ab00:800::2:53^{🇷🇺 AS495052a00:ab00::/32}
		A	188.68.203.1^{🇷🇺 AS49505188.68.203.0/24}
			PTR	`a.ns.selectel.ru`
NS	`b.ns.selectel.ru`
		A	2a00:ab00:801::2:53^{🇷🇺 AS495052a00:ab00::/32}
		A	77.223.114.2^{🇷🇺 AS4950577.223.114.0/24}
			PTR	`b.ns.selectel.ru`
NS	`c.ns.selectel.ru`
		A	2a00:ab00:802::2:53^{🇷🇺 AS495052a00:ab00::/32}
		A	188.68.203.3^{🇷🇺 AS49505188.68.203.0/24}
			PTR	`c.ns.selectel.ru`
NS	`d.ns.selectel.ru`
		A	2a00:ab00:803::2:53^{🇷🇺 AS495052a00:ab00::/32}
		A	77.223.114.4^{🇷🇺 AS4950577.223.114.0/24}
			PTR	`d.ns.selectel.ru`
MX	`mail.sintcode.ru` ⭐
		A	161.104.32.164^{🇫🇷 UNSPECIFIED160.0.0.0/3}
			PTR	`mail.sintcode.ru`
TXT	`5b79b634-8cda-417b-8bc5-cf076d7d1865`
TXT	`v=spf1 ip4:161.104.32.164 include:spf.mail.selcloud.ru ~all`
SOA	`a.ns.selectel.ru`support@selectel.ru 2026-05-28 #11

`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=4069351

Subdomains

mail.sintcode.ru

Same first word

sintcode.ru

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DNS History

11 records (6 active, 5 former)

●NSa.ns.selectel.ru2026-06-13 → 2026-06-22 · 3 obs

○ 2026-03-31 06:13:50
● 2026-06-13 17:17:54
● 2026-06-22 20:48:58

●NSb.ns.selectel.ru2026-06-13 → 2026-06-22 · 3 obs

○ 2026-03-31 06:13:50
● 2026-06-13 17:17:54
● 2026-06-22 20:48:58

●NSc.ns.selectel.ru2026-06-13 → 2026-06-22 · 3 obs

○ 2026-03-31 06:13:50
● 2026-06-13 17:17:54
● 2026-06-22 20:48:58

●NSd.ns.selectel.ru2026-06-13 → 2026-06-22 · 3 obs

○ 2026-03-31 06:13:50
● 2026-06-13 17:17:54
● 2026-06-22 20:48:58

○NSns1.timeweb.ru2026-03-09 → 2026-03-31 · 4 obs

● 2026-03-09 04:40:16
● 2026-03-31 06:13:50
○ 2026-06-13 17:17:54
○ 2026-06-22 20:48:58

○NSns2.timeweb.ru2026-03-09 → 2026-03-31 · 4 obs

● 2026-03-09 04:40:16
● 2026-03-31 06:13:50
○ 2026-06-13 17:17:54
○ 2026-06-22 20:48:58

○NSns3.timeweb.org2026-03-09 → 2026-03-31 · 4 obs

● 2026-03-09 04:40:16
● 2026-03-31 06:13:50
○ 2026-06-13 17:17:54
○ 2026-06-22 20:48:58

○NSns4.timeweb.org2026-03-09 → 2026-03-31 · 4 obs

● 2026-03-09 04:40:16
● 2026-03-31 06:13:50
○ 2026-06-13 17:17:54
○ 2026-06-22 20:48:58

●MXmail.sintcode.ru2026-03-09 → 2026-06-22 · 2 obs

● 2026-03-09 04:40:16
● 2026-06-22 20:48:58

●A161.104.32.1642026-06-13 → 2026-06-22 · 3 obs

○ 2026-03-31 06:13:50
● 2026-06-13 17:17:54
● 2026-06-22 20:48:58

○A90.156.229.1472026-03-09 → 2026-03-31 · 4 obs

● 2026-03-09 04:40:16
● 2026-03-31 06:13:50
○ 2026-06-13 17:17:54
○ 2026-06-22 20:48:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	e.dns.ripn.net, d.dns.ripn.net, b.dns.ripn.net, f.dns.ripn.net...	-
sintcode.ru	a.ns.selectel.ru, c.ns.selectel.ru, b.ns.selectel.ru, d.ns.selectel.ru	8 records

✅ Authoritative Response

Server:77.223.114.4

NS records: a.ns.selectel.ru, c.ns.selectel.ru, b.ns.selectel.ru, d.ns.selectel.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sintcode.ru (unsigned zone)

⏱️ Timing

Total: 2538ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`161.104.32.164`
NS	4	`a.ns.selectel.ru, d.ns.selectel.ru...`
MX	1	`mail.sintcode.ru (pri: 10)`
TXT	2	`v=spf1 ip4:161.104.32.164 include:spf.ma, 5b79b634-8cda-417b-8bc5-cf076d7d1865`
SOA	1	`a.ns.selectel.ru support.selectel.ru`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (d.ns.selectel.ru, c.ns.selectel.ru, b.ns.selectel.ru...)

Analysis

Hierarchy

mail.sintcode.ru is a subdomain of sintcode.ru.

IP Addresses

sintcode.ru has exactly one IP address — 161.104.32.164.

There are other host names — mail.sintcode.ru among them — that share IP numbers with sintcode.ru.

Name Servers

Four name servers handle the delegation for sintcode.ru: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.

The name servers of sintcode.ru overlap at least partially with those of other domains — among them autobox.parts, 7367777.ru, kronzen.ru and two more.

These name servers commonly appear alongside the name servers ns1.baz-on.ru and ns2.baz-on.ru.

Each of the four hosts a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru has two IP addresses. a.ns.selectel.ru points to 188.68.203.1 and 2a00:ab00:800::2:53. b.ns.selectel.ru points to 77.223.114.2 and 2a00:ab00:801::2:53. c.ns.selectel.ru points to 188.68.203.3 and 2a00:ab00:802::2:53. d.ns.selectel.ru points to 77.223.114.4 and 2a00:ab00:803::2:53.

Mail Servers

sintcode.ru uses one mail server — mail.sintcode.ru.

mail.sintcode.ru has exactly one IP number: 161.104.32.164.