`professionalu.ru`

DNSSEC	⚠️ Not signed
A	92.53.97.8^{🇷🇺 TimeWeb-AS92.53.97.0/24}
		PTR	`professionalu.ru`
NS	`ns1.timeweb.ru` ⭐
		A	2a03:6f04:dead:bee::1^{🇷🇺 TimeWeb-AS2a03:6f00::/29}
		A	85.193.93.93^{🇵🇱 TimeWeb-AS85.193.93.0/24}
			PTR	`ns1.timeweb.ru`
NS	`ns2.timeweb.ru`
		A	2a03:6f04:dead:bee::2^{🇷🇺 TimeWeb-AS2a03:6f00::/29}
		A	85.193.93.85^{🇵🇱 TimeWeb-AS85.193.93.0/24}
			PTR	`ns2.timeweb.ru`
NS	`ns3.timeweb.org`
		A	2a03:6f07:4::2^{🇷🇺 TimeWeb-AS2a03:6f00::/29}
		A	217.78.234.130^{🇷🇺 TimeWeb-AS217.78.234.0/24}
NS	`ns4.timeweb.org`
		A	2a00:65e0:6:5:232a::2^{🇷🇺 RETNRU-SPB-AS2a00:65e0::/32 CJSC "RetnNet"}
		A	139.45.249.139^{🇷🇺 RETNRU-SPB-AS139.45.248.0/21 RETN-SPB}
			PTR	`gw-139.45.249.139-rt1.km.spb.retn.ru`
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	`google-site-verification=g3k5gUd1sg41jA5MSbFWe8Af8c33-8TFb-ZUNpHsTYs`
TXT	`v=spf1 include:_spf.timeweb.ru include:_spf.yandex.net ~all`
SOA	`ns1.timeweb.ru`dns@timeweb.ru serial=18

`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=4068320

PTR for

8.97.53.92.in-addr.arpa

Subdomains

www.professionalu.ru

Same first word

professionalu.ru

Similar names

pourfessional.com

DNS History

14 records (6 active, 8 former)

○NSexpirepages-kiae-1.nic.ru2016-07-12 → 2016-07-12 · 3 obs

● 2016-07-12 17:23:04
○ 2017-04-01 22:20:42
○ 2026-03-29 17:17:44

○NSexpirepages-kiae-2.nic.ru2016-07-12 → 2016-07-12 · 3 obs

● 2016-07-12 17:23:04
○ 2017-04-01 22:20:42
○ 2026-03-29 17:17:44

○NSns1.reg.ru2017-04-01 → 2017-04-01 · 4 obs

○ 2016-07-12 17:23:04
● 2017-04-01 22:20:42
○ 2026-03-12 07:52:16
○ 2026-03-29 17:17:44

●NSns1.timeweb.ru2026-03-12 → 2026-03-29 · 3 obs

○ 2017-04-01 22:20:42
● 2026-03-12 07:52:16
● 2026-03-29 17:17:44

○NSns2.reg.ru2017-04-01 → 2017-04-01 · 4 obs

○ 2016-07-12 17:23:04
● 2017-04-01 22:20:42
○ 2026-03-12 07:52:16
○ 2026-03-29 17:17:44

●NSns2.timeweb.ru2026-03-12 → 2026-03-29 · 3 obs

○ 2017-04-01 22:20:42
● 2026-03-12 07:52:16
● 2026-03-29 17:17:44

●NSns3.timeweb.org2026-03-12 → 2026-03-29 · 3 obs

○ 2017-04-01 22:20:42
● 2026-03-12 07:52:16
● 2026-03-29 17:17:44

●NSns4.timeweb.org2026-03-12 → 2026-03-29 · 3 obs

○ 2017-04-01 22:20:42
● 2026-03-12 07:52:16
● 2026-03-29 17:17:44

●MXmx.yandex.net2026-03-12 → 2026-03-29 · 3 obs

○ 2017-04-01 22:20:42
● 2026-03-12 07:52:16
● 2026-03-29 17:17:44

○MXnomail.nic.ru2016-07-12 → 2016-07-12 · 3 obs

● 2016-07-12 17:23:04
○ 2017-04-01 22:20:42
○ 2026-03-29 17:17:44

○A109.70.26.372016-07-12 → 2016-07-12 · 3 obs

● 2016-07-12 17:23:04
○ 2017-04-01 22:20:42
○ 2026-03-29 17:17:44

○A194.85.61.762016-07-12 → 2016-07-12 · 3 obs

● 2016-07-12 17:23:04
○ 2017-04-01 22:20:42
○ 2026-03-29 17:17:44

○A31.31.204.1612017-04-01 → 2017-04-01 · 4 obs

○ 2016-07-12 17:23:04
● 2017-04-01 22:20:42
○ 2026-03-12 07:52:16
○ 2026-03-29 17:17:44

●A92.53.97.82026-03-12 → 2026-03-29 · 3 obs

○ 2017-04-01 22:20:42
● 2026-03-12 07:52:16
● 2026-03-29 17:17:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
professionalu.ru	ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org	2 records

✅ Authoritative Response

Server:85.193.93.85

NS records: ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professionalu.ru (unsigned zone)

⏱️ Timing

Total: 1015ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`92.53.97.8`
NS	4	`ns1.timeweb.ru, ns2.timeweb.ru...`
MX	1	`mx.yandex.net (pri: 10)`
TXT	2	`v=spf1 include:_spf.timeweb.ru include:_, google-site-verification=g3k5gUd1sg41jA5`
SOA	1	`ns1.timeweb.ru dns.timeweb.ru`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.timeweb.ru, ns2.timeweb.ru)

Analysis

Hierarchy

professionalu.ru is the parent of www.professionalu.ru.

IP Addresses

professionalu.ru resolves to a single IP address: 92.53.97.8.

Other host names, for instance www.professionalu.ru, share IP numbers with professionalu.ru.

Name Servers

professionalu.ru is delegated to four name servers: ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru.

professionalu.ru at least partially shares name servers with other domains, including xn--74-6kcqflgwe7b6a2i.xn--p1ai, 1249419-cj96584.tw1.ru, skilllevel.ru, xn--698-5cd4b3abhfw.xn--p1ai and brainmod.ru.

Hosts with two IP numbers:

Host ns3.timeweb.org points to 2a03:6f07:4::2 and 217.78.234.130

Host ns4.timeweb.org points to 2a00:65e0:6:5:232a::2 and 139.45.249.139

Host ns1.timeweb.ru points to 2a03:6f04:dead:bee::1 and 85.193.93.93

Host ns2.timeweb.ru points to 2a03:6f04:dead:bee::2 and 85.193.93.85

Mail Servers

professionalu.ru is handled by a single mail server, mx.yandex.net.

professionalu.ru shares its mail server setup with other domains, including kistenev.ru, sevastopol.biz, doma.uchi.ru, sl-1.ru and arrambide.com.

The mail servers for professionalu.ru are shared with other domains, for instance akkasoft.com, tver-dom.com, rt-hpc.ru, technocar.ru and salon-sensation.by.

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

professionalu.ru - robtex.com