`profmaster-don.ru`

DNSSEC	⚠️ Not signed
A	91.228.224.65^{🇷🇺 RU-JSCIOT91.228.224.0/23}
		PTR	`s2.ra-don.ru`
NS	`ns1.ra-don.ru` ⭐
		A	37.18.27.21^{🇷🇺 ITGRAD37.18.27.0/24}
			PTR	`s1.ra-don.ru`
NS	`ns2.ra-don.ru`
		A	31.135.14.209^{🇷🇺 RU-JSCIOT31.135.14.0/23}
			PTR	`s5.ra-don.ru`
NS	`ns3.ra-don.ru`
		A	91.228.224.65^{🇷🇺 RU-JSCIOT91.228.224.0/23}
			PTR	`s2.ra-don.ru`
MX	`profmaster-don.ru` ⭐
		A	91.228.224.65^{🇷🇺 RU-JSCIOT91.228.224.0/23}
			PTR	`s2.ra-don.ru`
TXT	`v=spf1 ip4:176.122.25.22 ip4:79.143.73.113 ip4:91.228.224.65 a mx ~all`
SOA	`ns1.ra-don.ru`admin@ra-don.ru 2022-03-31 #48

`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=4068485

Subdomains

mail.profmaster-don.ru

DNS History

9 records (5 active, 4 former)

○NSns1.ihc.ru2015-07-18 → 2018-09-25 · 3 obs

● 2015-07-18 22:36:48
● 2018-09-25 05:50:54
○ 2026-04-12 07:54:04

●NSns1.ra-don.ru2026-04-12 → 2026-04-12 · 2 obs

○ 2018-09-25 05:50:54
● 2026-04-12 07:54:04

○NSns2.ihc.ru2015-07-18 → 2018-09-25 · 3 obs

● 2015-07-18 22:36:48
● 2018-09-25 05:50:54
○ 2026-04-12 07:54:04

●NSns2.ra-don.ru2026-04-12 → 2026-04-12 · 2 obs

○ 2018-09-25 05:50:54
● 2026-04-12 07:54:04

●NSns3.ra-don.ru2026-04-12 → 2026-04-12 · 2 obs

○ 2018-09-25 05:50:54
● 2026-04-12 07:54:04

○MXmail.profmaster-don.ru2015-07-18 → 2018-09-25 · 3 obs

● 2015-07-18 22:36:48
● 2018-09-25 05:50:54
○ 2026-04-12 07:54:04

●MXprofmaster-don.ru2026-04-12 → 2026-04-12 · 2 obs

○ 2018-09-25 05:50:54
● 2026-04-12 07:54:04

○A37.143.15.1592015-07-18 → 2018-09-25 · 3 obs

● 2015-07-18 22:36:48
● 2018-09-25 05:50:54
○ 2026-04-12 07:54:04

●A91.228.224.652026-04-12 → 2026-04-12 · 2 obs

○ 2018-09-25 05:50:54
● 2026-04-12 07:54:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
profmaster-don.ru	ns2.ra-don.ru, ns1.ra-don.ru, ns3.ra-don.ru	3 records

✅ Authoritative Response

Server:31.135.14.209

NS records: ns2.ra-don.ru, ns1.ra-don.ru, ns3.ra-don.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for profmaster-don.ru (unsigned zone)

⏱️ Timing

Total: 653ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.228.224.65`
NS	3	`ns3.ra-don.ru, ns2.ra-don.ru...`
MX	1	`profmaster-don.ru (pri: 0)`
TXT	1	`v=spf1 ip4:176.122.25.22 ip4:79.143.73.1`
SOA	1	`ns1.ra-don.ru admin.ra-don.ru`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns3.ra-don.ru, ns2.ra-don.ru, ns1.ra-don.ru)

Analysis

Hierarchy

profmaster-don.ru is the parent of mail.profmaster-don.ru.

IP Addresses

profmaster-don.ru resolves to one IP number: 91.228.224.65.

other host names including uretek.su, ns3.ra-don.ru, color.pratta.xyz, frnd.ru and korolevaroza.ru share IP numbers with profmaster-don.ru.

Name Servers

profmaster-don.ru is delegated to three name servers ns1.ra-don.ru, ns2.ra-don.ru and ns3.ra-don.ru.

profmaster-don.ru at least partially shares name servers with other domains, for instance to86.ru, ufarccs.ru, tarif61.ru, agrobook.ru and lazar-sinanov.ru.

These name servers are commonly used with dns1.ra-don.com, dns2.ra-don.com, dns3.ra-don.com, s1.ra-don.ru and s1.

Host names with one IP number: ns1.ra-don.ru points to 37.18.27.21; ns2.ra-don.ru points to 31.135.14.209; ns3.ra-don.ru points to 91.228.224.65.

Mail Servers

profmaster-don.ru is served by a single mail server, profmaster-don.ru.

profmaster-don.ru resolves to IP 91.228.224.65.

profmaster-don.ru - robtex.com