`alfacomsystems.ru`

DNSSEC	⚠️ Not signed
A	2a00:15f8:a000:5:1:11:7:9037^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	2a00:15f8:a000:5:1:12:7:9037^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	2a00:15f8:a000:5:1:13:7:9037^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	2a00:15f8:a000:5:1:14:7:9037^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	90.156.201.39^{🇷🇺 MASTERHOST-AS90.156.201.0/24}
A	90.156.201.42^{🇷🇺 MASTERHOST-AS90.156.201.0/24}
A	90.156.201.76^{🇷🇺 MASTERHOST-AS90.156.201.0/24}
A	90.156.201.87^{🇷🇺 MASTERHOST-AS90.156.201.0/24}
NS	`ns2.masterhost.ru` ⭐
		A	2a00:15f8:a000:12:1:1:2:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns2.masterhost.ru`
		A	90.156.133.161^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns2.masterhost.ru`
NS	`ns.masterhost.ru`
		A	2a00:15f8:a000:10:1:1:0:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns.masterhost.ru`
		A	90.156.136.116^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns.masterhost.ru`
NS	`ns1.masterhost.ru`
		A	2a00:15f8:a000:11:1:1:1:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns1.masterhost.ru`
		A	90.156.137.50^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns1.masterhost.ru`
MX	`mx1.masterhost.ru` ⭐
		A	90.156.132.120^{🇷🇺 MASTERHOST-AS90.156.132.0/24}
			PTR	`mx1.masterhost.ru`
TXT	`_globalsign-domain-verification=HpOT5Q7I1ThNg8aiU0_Hu8EUjnSeB_i63fcESLyhOm`
SOA	`ns1.masterhost.ru`hostmaster@masterhost.ru serial=1775841653

`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=4068511

Same first word

alfacomsystems.ru

alfacomsystems.com

DNS History

16 records (12 active, 4 former)

●NSns.masterhost.ru2026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

●NSns1.masterhost.ru2026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

○NSns1.nameserver.ru2015-06-18 → 2017-02-17 · 4 obs

● 2015-06-18 02:23:04
● 2017-02-17 20:51:14
○ 2026-02-17 05:44:04
○ 2026-04-14 13:18:06

●NSns2.masterhost.ru2026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

○NSns2.nameserver.ru2015-06-18 → 2017-02-17 · 4 obs

● 2015-06-18 02:23:04
● 2017-02-17 20:51:14
○ 2026-02-17 05:44:04
○ 2026-04-14 13:18:06

○MXmail.alfacomsystems.ru2015-06-18 → 2017-02-17 · 4 obs

● 2015-06-18 02:23:04
● 2017-02-17 20:51:14
○ 2026-02-17 05:44:04
○ 2026-04-14 13:18:06

●MXmx1.masterhost.ru2026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

●A2a00:15f8:a000:5:1:11:7:90372026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

●A2a00:15f8:a000:5:1:12:7:90372026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

●A2a00:15f8:a000:5:1:13:7:90372026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

●A2a00:15f8:a000:5:1:14:7:90372026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

○A81.177.18.32015-06-18 → 2017-02-17 · 4 obs

● 2015-06-18 02:23:04
● 2017-02-17 20:51:14
○ 2026-02-17 05:44:04
○ 2026-04-14 13:18:06

●A90.156.201.392026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

●A90.156.201.422026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

●A90.156.201.762026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

●A90.156.201.872026-02-17 → 2026-04-14 · 3 obs

○ 2017-02-17 20:51:14
● 2026-02-17 05:44:04
● 2026-04-14 13:18:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net...	-
alfacomsystems.ru	ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru	-

✅ Authoritative Response

Server:90.156.133.161

NS records: ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for alfacomsystems.ru (unsigned zone)

⏱️ Timing

Total: 2501ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`90.156.201.76, 90.156.201.39...`
AAAA	4	`2a00:15f8:a000:5:1:12:7:9037, 2a00:15f8:a000:5:1:14:7:9037...`
NS	3	`ns2.masterhost.ru, ns.masterhost.ru...`
MX	1	`mx1.masterhost.ru (pri: 10)`
TXT	1	`_globalsign-domain-verification=HpOT5Q7I`
SOA	1	`ns1.masterhost.ru hostmaster.masterhost.`

Analysis

IP Addresses

Eight IP numbers are pointed to by alfacomsystems.ru: 2a00:15f8:a000:5:1:11:7:9037, 2a00:15f8:a000:5:1:12:7:9037, 2a00:15f8:a000:5:1:13:7:9037, 2a00:15f8:a000:5:1:14:7:9037, 90.156.201.39, 90.156.201.42, 90.156.201.76 and 90.156.201.87.

Other host names, for instance wowcom.ru, spbfotos.ru, funtu.ru, veona.ru and emsch.ru share IP numbers with alfacomsystems.ru.

Name Servers

alfacomsystems.ru is delegated to three name servers: ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.

alfacomsystems.ru at least partially shares its name servers with other domains, for instance technopribor.ru, engine.space, stopnomer.ru, vasilia.ru and tvoyaispania.ru.

Host names with two IP numbers:

ns1.masterhost.ru points to: 2a00:15f8:a000:11:1:1:1:53 and 90.156.137.50.

ns2.masterhost.ru points to: 2a00:15f8:a000:12:1:1:2:53 and 90.156.133.161.

ns.masterhost.ru points to: 2a00:15f8:a000:10:1:1:0:53 and 90.156.136.116.

Mail Servers

alfacomsystems.ru is served by a single mail server, mx1.masterhost.ru.

alfacomsystems.ru uses the same mail server setup as other domains such as sto-fenix.ru, bus74.ru, artaha.ru, xn--b1afbapqobcejiyil8b9ezd.xn--p1ai and samtatnews.ru.

alfacomsystems.ru shares at least some mail servers with other domains, for instance r-snb.ru and margeo.ru.

mx1.masterhost.ru points to IP number 90.156.132.120.

alfacomsystems.ru - robtex.com