`start-opt.ru`

A	5.181.252.48^{🇷🇺 INTERNET-PRO-AS5.181.252.0/23}
		PTR	`vm-390ecb82.na4u.ru`
NS	`ns1.netangels.ru`
		A	91.201.54.2^{🇷🇺 INTERNET-PRO-AS91.201.54.0/23 NetAngels.RU network in Yekaterinburg}
			PTR	`ns1.netangels.ru`
NS	`ns2.netangels.ru`
		A	91.201.52.2^{🇷🇺 INTERNET-PRO-AS91.201.52.0/24}
			PTR	`ns2.netangels.ru`
NS	`ns3.netangels.ru`
		A	45.86.39.2^{🇷🇺 INTERNET-PRO-AS45.86.39.0/24}
NS	`ns4.netangels.ru`
		A	80.87.101.2^{🇷🇺 INTERNET-PRO-AS80.87.101.0/24}
MX	`emx.mail.ru`⁽⁹⁹⁹⁾
		A	94.100.180.180^{🇷🇺 VK-AS94.100.176.0/20 Moscow region}
			PTR	`emx.mail.ru`
		A	217.69.139.180^{🇷🇺 VK-AS217.69.128.0/20 Moscow region}
			PTR	`emx.mail.ru`

`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=4068147

WOT: SAFE (79/100)

start-opt.ru

top-start.com

start-opt.ru points to IP number: 5.181.252.48.

Other host names, for instance vm-390ecb82.na4u.ru share IP numbers with start-opt.ru.

start-opt.ru at least partially shares name servers with other domains, for instance vm-9f7ef974.na4u.ru, imaker.ru, sushkov.su, bentleyplemtech.ru and xn--b1ag8a.xn--p1ai.

Host names with one IP number:

start-opt.ru is handled by a single mail server, emx.mail.ru.

The mail server setup for start-opt.ru matches that of other domains, for instance kayak-market.ru, o-sport.ru, rokba.com, mail.photo-monster.ru and mksbonat.ru.

start-opt.ru shares some mail servers with other domains, at least in part, for instance profstyle39.ru.