mathbase.ru - dns.ninja

`mathbase.ru`

DNSSEC	⚠️ Not signed
A	2a00:15f8:a000:5:1:11:6:b03a^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	2a00:15f8:a000:5:1:12:6:b03a^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	2a00:15f8:a000:5:1:13:6:b03a^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	2a00:15f8:a000:5:1:14:6:b03a^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
A	90.156.201.45^{🇷🇺 MASTERHOST-AS90.156.201.0/24}
A	90.156.201.64^{🇷🇺 MASTERHOST-AS90.156.201.0/24}
A	90.156.201.78^{🇷🇺 MASTERHOST-AS90.156.201.0/24}
A	90.156.201.102^{🇷🇺 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}
TXT	`yandex-verification: e9c96b3d1f16d4b6`
SOA	`ns1.masterhost.ru`hostmaster@masterhost.ru serial=1779086578

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069961

Same first word

mathbase.org

mathbase.ru

mathbase.com

mathbase.cn

mathbase.net

Similar names

DNS History

18 records (12 active, 6 former)

●NSns.masterhost.ru2015-10-12 → 2026-08-12 · 2 obs

● 2015-10-12 07:00:46
● 2026-08-12 15:36:54

●NSns1.masterhost.ru2015-10-12 → 2026-08-12 · 2 obs

● 2015-10-12 07:00:46
● 2026-08-12 15:36:54

●NSns2.masterhost.ru2015-10-12 → 2026-08-12 · 2 obs

● 2015-10-12 07:00:46
● 2026-08-12 15:36:54

●MXmx1.masterhost.ru2015-10-12 → 2026-08-12 · 4 obs

● 2015-10-12 07:00:46
● 2017-10-24 01:11:42
○ 2026-08-12 12:34:06
● 2026-08-12 15:36:54

●A2a00:15f8:a000:5:1:11:6:b03a2015-10-12 → 2026-08-12 · 4 obs

● 2015-10-12 07:00:46
● 2017-10-24 01:11:42
○ 2026-08-12 12:34:06
● 2026-08-12 15:36:54

●A2a00:15f8:a000:5:1:12:6:b03a2015-10-12 → 2026-08-12 · 4 obs

● 2015-10-12 07:00:46
● 2017-10-24 01:11:42
○ 2026-08-12 12:34:06
● 2026-08-12 15:36:54

●A2a00:15f8:a000:5:1:13:6:b03a2015-10-12 → 2026-08-12 · 4 obs

● 2015-10-12 07:00:46
● 2017-10-24 01:11:42
○ 2026-08-12 12:34:06
● 2026-08-12 15:36:54

●A2a00:15f8:a000:5:1:14:6:b03a2015-10-12 → 2026-08-12 · 4 obs

● 2015-10-12 07:00:46
● 2017-10-24 01:11:42
○ 2026-08-12 12:34:06
● 2026-08-12 15:36:54

●A90.156.201.1022026-02-27 → 2026-08-12 · 4 obs

○ 2017-10-24 01:11:42
● 2026-02-27 07:32:26
○ 2026-08-12 12:34:06
● 2026-08-12 15:36:54

○A90.156.201.1032017-10-24 → 2017-10-24 · 4 obs

○ 2016-06-17 21:48:52
● 2017-10-24 01:11:42
○ 2026-02-27 07:32:26
○ 2026-08-12 15:36:54

○A90.156.201.202015-10-12 → 2016-06-17 · 4 obs

● 2015-10-12 07:00:46
● 2016-06-17 21:48:52
○ 2017-10-24 01:11:42
○ 2026-08-12 15:36:54

○A90.156.201.342015-10-12 → 2017-10-24 · 4 obs

● 2015-10-12 07:00:46
● 2017-10-24 01:11:42
○ 2026-02-27 07:32:26
○ 2026-08-12 15:36:54

○A90.156.201.382015-10-12 → 2017-10-24 · 4 obs

● 2015-10-12 07:00:46
● 2017-10-24 01:11:42
○ 2026-02-27 07:32:26
○ 2026-08-12 15:36:54

●A90.156.201.452026-02-27 → 2026-08-12 · 4 obs

○ 2017-10-24 01:11:42
● 2026-02-27 07:32:26
○ 2026-08-12 12:34:06
● 2026-08-12 15:36:54

●A90.156.201.642026-02-27 → 2026-08-12 · 4 obs

○ 2017-10-24 01:11:42
● 2026-02-27 07:32:26
○ 2026-08-12 12:34:06
● 2026-08-12 15:36:54

●A90.156.201.782026-02-27 → 2026-08-12 · 4 obs

○ 2017-10-24 01:11:42
● 2026-02-27 07:32:26
○ 2026-08-12 12:34:06
● 2026-08-12 15:36:54

○A90.156.201.852015-10-12 → 2016-06-17 · 4 obs

● 2015-10-12 07:00:46
● 2016-06-17 21:48:52
○ 2017-10-24 01:11:42
○ 2026-08-12 15:36:54

○A90.156.201.972017-10-24 → 2017-10-24 · 4 obs

○ 2016-06-17 21:48:52
● 2017-10-24 01:11:42
○ 2026-02-27 07:32:26
○ 2026-08-12 15:36:54

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:90.156.136.116

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathbase.ru (unsigned zone)

⏱️ Timing

Total: 1197ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`90.156.201.45, 90.156.201.78...`
AAAA	4	`2a00:15f8:a000:5:1:13:6:b03a, 2a00:15f8:a000:5:1:12:6:b03a...`
NS	3	`ns.masterhost.ru, ns2.masterhost.ru...`
MX	1	`mx1.masterhost.ru (pri: 10)`
TXT	1	`yandex-verification: e9c96b3d1f16d4b6`
SOA	1	`ns1.masterhost.ru hostmaster.masterhost.`

Analysis

IP Addresses

mathbase.ru has 8 IP addresses — 90.156.201.45, 90.156.201.64, 90.156.201.78 and 5 more.

abkhaziaavia.ru, xn----7sba0cdvp.xn--p1ai, www.csct.ru and two other host names share IP numbers with mathbase.ru.

Name Servers

Three name servers are authoritative for mathbase.ru: ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.

The name servers of mathbase.ru overlap at least partially with those of other domains — among them alp-tula.ru, center-md.ru, bagar.ru and two more.

ns1.masterhost.ru resolves to 90.156.137.50 and 2a00:15f8:a000:11:1:1:1:53. ns2.masterhost.ru resolves to 90.156.133.161 and 2a00:15f8:a000:12:1:1:2:53. ns.masterhost.ru resolves to 90.156.136.116 and 2a00:15f8:a000:10:1:1:0:53. All three hostnames point to two IP numbers each.

Mail Servers

Mail for mathbase.ru is handled by a single mail server, mx1.masterhost.ru.

mathbase.ru uses an identical mail server configuration to several other domains — among them kapital-trans.ru, complete.su, allupack.ru and two more.

mathbase.ru has mail servers in common with other domains — elitesochi.com being one example.

There is one IP number for mx1.masterhost.ru: 90.156.132.120.