teaching.su - dns.ninja

`teaching.su`

DNSSEC	⚠️ Not signed
A	85.119.149.37^{🇷🇺 SELECTEL-MSK85.119.149.0/24 SELECTEL-NET-MSK}
NS	`ns1.reg.ru` ⭐
		A	2a00:f940:9::1:1^{🇷🇺 AS-REGRU2a00:f940:9::/48 Reg.Ru Hosting}
		A	2a00:f940:9::2:1^{🇷🇺 AS-REGRU2a00:f940:9::/48 Reg.Ru Hosting}
		A	176.99.13.11^{🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru}
			PTR	`ns1.reg.ru`
		A	176.99.13.13^{🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru}
			PTR	`ns1.reg.ru`
		A	176.99.13.15^{🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru}
			PTR	`ns1.reg.ru`
		A	176.99.13.17^{🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru}
			PTR	`ns1.reg.ru`
		A	194.58.117.11^{🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru}
			PTR	`ns1.reg.ru`
		A	194.58.117.13^{🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru}
			PTR	`ns1.reg.ru`
		A	194.58.117.15^{🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru}
			PTR	`ns1.reg.ru`
		A	194.58.117.17^{🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru}
			PTR	`ns1.reg.ru`
NS	`ns2.reg.ru`
		A	2a00:f940:9::1:2^{🇷🇺 AS-REGRU2a00:f940:9::/48 Reg.Ru Hosting}
		A	2a00:f940:9::2:2^{🇷🇺 AS-REGRU2a00:f940:9::/48 Reg.Ru Hosting}
		A	176.99.13.12^{🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru}
			PTR	`ns2.reg.ru`
		A	176.99.13.14^{🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru}
			PTR	`ns2.reg.ru`
		A	176.99.13.16^{🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru}
			PTR	`ns2.reg.ru`
		A	176.99.13.18^{🇷🇺 AS-REGRU176.99.13.0/24 Reg.Ru}
			PTR	`ns2.reg.ru`
		A	194.58.117.12^{🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru}
			PTR	`ns2.reg.ru`
		A	194.58.117.14^{🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru}
			PTR	`ns2.reg.ru`
		A	194.58.117.16^{🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru}
			PTR	`ns2.reg.ru`
		A	194.58.117.18^{🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru}
			PTR	`ns2.reg.ru`
MX	`emx.mail.ru` ⭐
		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`
TXT	`v=spf1 redirect=_spf.mail.ru`
SOA	`ns1.reg.ru`hostmaster@ns1.reg.ru serial=1782602241

`su`

	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=650210078

⚠️ On DNS blocklist: spam-tlds

Same first word

teaching.la

teaching.tv

teaching.hk

teaching.ca

teaching.de

teaching.education

teaching.org

teaching.com.au

teaching.company

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teaching.ru

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teaching.team

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teaching.at

teaching.app

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teaching.net

teaching.ro

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teaching.su

teaching.com.tw

teaching.group

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DNS History

18 records (4 active, 14 former)

○NSns1.expired.reg.ru2026-06-02 → 2026-06-02 · 4 obs

○ 2026-05-17 21:54:08
● 2026-06-02 01:36:16
○ 2026-06-30 17:15:04
○ 2026-08-03 21:07:24

●NSns1.reg.ru2026-03-07 → 2026-08-03 · 6 obs

○ 2017-05-16 23:34:42
● 2026-03-07 20:56:20
● 2026-05-17 21:54:08
○ 2026-06-02 01:36:16
● 2026-06-30 17:15:04
● 2026-08-03 21:07:24

○NSns1.wix.com2015-06-17 → 2017-05-16 · 4 obs

● 2015-06-17 08:51:58
● 2017-05-16 23:34:42
○ 2026-03-07 20:56:20
○ 2026-08-03 21:07:24

○NSns2.expired.reg.ru2026-06-02 → 2026-06-02 · 4 obs

○ 2026-05-17 21:54:08
● 2026-06-02 01:36:16
○ 2026-06-30 17:15:04
○ 2026-08-03 21:07:24

●NSns2.reg.ru2026-03-07 → 2026-08-03 · 6 obs

○ 2017-05-16 23:34:42
● 2026-03-07 20:56:20
● 2026-05-17 21:54:08
○ 2026-06-02 01:36:16
● 2026-06-30 17:15:04
● 2026-08-03 21:07:24

○NSns2.wix.com2015-06-17 → 2017-05-16 · 4 obs

● 2015-06-17 08:51:58
● 2017-05-16 23:34:42
○ 2026-03-07 20:56:20
○ 2026-08-03 21:07:24

○MXalt1.aspmx.l.google.com2015-06-17 → 2017-05-16 · 4 obs

● 2015-06-17 08:51:58
● 2017-05-16 23:34:42
○ 2026-03-07 20:56:20
○ 2026-08-03 21:07:24

○MXalt2.aspmx.l.google.com2015-06-17 → 2017-05-16 · 4 obs

● 2015-06-17 08:51:58
● 2017-05-16 23:34:42
○ 2026-03-07 20:56:20
○ 2026-08-03 21:07:24

○MXaspmx.l.google.com2015-06-17 → 2017-05-16 · 4 obs

● 2015-06-17 08:51:58
● 2017-05-16 23:34:42
○ 2026-03-07 20:56:20
○ 2026-08-03 21:07:24

○MXaspmx2.googlemail.com2015-06-17 → 2017-05-16 · 4 obs

● 2015-06-17 08:51:58
● 2017-05-16 23:34:42
○ 2026-03-07 20:56:20
○ 2026-08-03 21:07:24

○MXaspmx3.googlemail.com2015-06-17 → 2017-05-16 · 4 obs

● 2015-06-17 08:51:58
● 2017-05-16 23:34:42
○ 2026-03-07 20:56:20
○ 2026-08-03 21:07:24

●MXemx.mail.ru2026-03-07 → 2026-08-03 · 6 obs

○ 2017-05-16 23:34:42
● 2026-03-07 20:56:20
● 2026-05-17 21:54:08
○ 2026-06-02 01:36:16
● 2026-06-30 17:15:04
● 2026-08-03 21:07:24

○A194.67.71.1062026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-06 15:31:22
● 2026-06-08 00:09:16
○ 2026-06-08 05:14:32
○ 2026-08-03 21:07:24

○A194.67.71.242026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-02 01:36:16
● 2026-06-06 15:31:22
○ 2026-06-08 00:09:16
○ 2026-08-03 21:07:24

○A194.67.71.582026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-16 19:09:52
● 2026-06-17 21:46:46
○ 2026-06-18 16:43:02
○ 2026-08-03 21:07:24

○A23.236.62.1472015-06-17 → 2017-05-16 · 4 obs

● 2015-06-17 08:51:58
● 2017-05-16 23:34:42
○ 2026-03-07 20:56:20
○ 2026-08-03 21:07:24

○A2a00:f940:4::102026-06-06 → 2026-06-17 · 8 obs

○ 2026-06-02 01:36:16
● 2026-06-06 15:31:22
● 2026-06-08 00:09:16
○ 2026-06-08 05:14:32
○ 2026-06-16 19:09:52
● 2026-06-17 21:46:46
○ 2026-06-18 16:43:02
○ 2026-08-03 21:07:24

●A85.119.149.372026-03-07 → 2026-08-03 · 6 obs

○ 2017-05-16 23:34:42
● 2026-03-07 20:56:20
● 2026-05-17 21:54:08
○ 2026-06-02 01:36:16
● 2026-06-30 17:15:04
● 2026-08-03 21:07:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	b.dns.ripn.net, e.dns.ripn.net, c.tld-servers.ru, a.dns.ripn.net...	12 records
teaching.su	ns1.reg.ru, ns2.reg.ru	-

✅ Authoritative Response

Server:176.99.13.11

NS records: ns1.reg.ru, ns2.reg.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for teaching.su (unsigned zone)

⏱️ Timing

Total: 3045ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.119.149.37`
NS	2	`ns1.reg.ru, ns2.reg.ru`
MX	1	`emx.mail.ru (pri: 0)`
TXT	1	`v=spf1 redirect=_spf.mail.ru`
SOA	1	`ns1.reg.ru hostmaster.ns1.reg.ru`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)

Analysis

IP Addresses

teaching.su resolves to just one IP address, 85.119.149.37.

Two other host names, along with yatsen.ru, www.projex.ru and mastermir.ru, also share IP numbers with teaching.su.

Name Servers

Two name servers handle the delegation for teaching.su: ns1.reg.ru and ns2.reg.ru.

teaching.su shares its NS records with other domains, for example promport.pro, pravkom.com, larendita.com and two others.

DNS names with 10 IP addresses:

ns1.reg.ru resolves to 176.99.13.11, 176.99.13.13 and 176.99.13.15 among others, with 7 other IP addresses in total.

ns2.reg.ru resolves to 176.99.13.12, 176.99.13.14 and 176.99.13.16 among others, with 7 other IP addresses in total.

Mail Servers

The sole mail server for teaching.su is emx.mail.ru.

Among the domains sharing a mail server setup with teaching.su are makeawish.pro, gamesport.partners, 3bt-parts.ru and two others.

teaching.su partially shares its mail servers with other domains, microel.ru and dety38.ru being examples.

The host emx.mail.ru resolves to 94.100.180.180 and 217.69.139.180 — two IP addresses.