a4.su - dns.ninja

`a4.su`

DNSSEC	⚠️ Not signed
A	37.187.83.72^{🇫🇷 OVH37.187.0.0/16}
		PTR	`dns1.ru-tld.ru`
A	176.31.179.191^{🇫🇷 OVH176.31.0.0/16 ISP Paris, France}
NS	`dns1.ru-tld.ru` ⭐
		A	37.187.83.72^{🇫🇷 OVH37.187.0.0/16}
			PTR	`dns1.ru-tld.ru`
NS	`dns.ru-tld.ru`
		A	185.108.84.20^{🇺🇸 LEASEWEB-NL-AMS-01185.108.84.0/23 MTND}
			PTR	`dns.ru-tld.ru`
NS	`dns2.ru-tld.ru`
		A	176.31.179.191^{🇫🇷 OVH176.31.0.0/16 ISP Paris, France}
			PTR	`dns2.ru-tld.ru`
TXT	`eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJEb21haW5TaG9wIiwic3ViIjoiNTU1...`
TXT	`v=spf1 ip4:127.0.0.1 -all`
TXT	`v=DMARC1; p=reject; pct=100; sp=reject; adkim=s; aspf=s; fo=1;`
SOA	`dns.ru-tld.ru`support@ru-tld.ru 2014-03-22 #28

`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=650210123

⚠️ On DNS blocklist: spam-tlds

Subdomains

www.a4.su

Same first word

a4.com.pe

a4.design

a4.com.br

a4.ee

a4.finance

a4.co.nz

a4.nl

a4.com.au

a4.is

a4.pl

a4.tv

a4.com.ua

a4.com.ar

a4.co.uk

a4.net

a4.sk

a4.eu

a4.be

a4.com.mt

a4.school

a4.fo

a4.se

a4.kz

a4.am

a4.fr

a4.vc

a4.de

a4.by

a4.lv

a4.io

a4.tl

a4.com

a4.tf

a4.pt

a4.cn

a4.ca

a4.org.cn

a4.dk

a4.lt

a4.ru

a4.pm

a4.cc

a4.net.ua

a4.org.au

a4.su

a4.com.sa

a4.no

a4.com.vn

a4.media

a4.cz

Similar names

4a.pl

4a.dk

4a.ae

4a.ca

4a.nl

4a.se

4a.de

4a.cl

4a.net

4a.lt

4a.cz

4a.ph

4a.fr

4a.hk

4a.tv

4a.com.hk

4a.lol

4a.si

4a.by

4a.ai

4a.com.br

4a.sk

4a.at

4a.io

4a.biz

4a.com.au

4a.com

4a.no

4a.com.mx

4a.be

4a.co.at

4a.org

4a.ee

4a.ru

4a.ro

DNS History

7 records (5 active, 2 former)

●NSdns.ru-tld.ru2015-11-08 → 2026-08-07 · 15 obs

○ 2015-06-30 08:40:18
● 2015-11-08 16:08:40
● 2026-02-20 18:16:36
○ 2026-03-06 13:17:42
● 2026-03-10 07:17:10
○ 2026-03-18 22:27:20
● 2026-03-24 10:35:48
● 2026-05-05 02:42:04
○ 2026-06-07 12:50:16
○ 2026-06-08 07:51:54
● 2026-06-11 09:46:08
● 2026-06-11 23:19:00
○ 2026-06-13 06:02:56
● 2026-06-18 13:48:12
● 2026-08-07 17:00:40

●NSdns1.ru-tld.ru2015-11-08 → 2026-08-07 · 3 obs

○ 2015-06-30 08:40:18
● 2015-11-08 16:08:40
● 2026-08-07 17:00:40

●NSdns2.ru-tld.ru2015-11-08 → 2026-08-07 · 3 obs

○ 2015-06-30 08:40:18
● 2015-11-08 16:08:40
● 2026-08-07 17:00:40

○NSns1.r01.ru2015-06-30 → 2015-06-30 · 3 obs

● 2015-06-30 08:40:18
○ 2015-11-08 16:08:40
○ 2026-08-07 17:00:40

○NSns2.r01.ru2015-06-30 → 2015-06-30 · 3 obs

● 2015-06-30 08:40:18
○ 2015-11-08 16:08:40
○ 2026-08-07 17:00:40

●A176.31.179.1912015-11-08 → 2026-08-07 · 14 obs

● 2015-11-08 16:08:40
● 2026-02-20 18:16:36
○ 2026-03-06 13:17:42
● 2026-03-10 07:17:10
○ 2026-03-18 22:27:20
● 2026-03-24 10:35:48
● 2026-05-05 02:42:04
○ 2026-06-07 12:50:16
○ 2026-06-08 07:51:54
● 2026-06-11 09:46:08
● 2026-06-11 23:19:00
○ 2026-06-13 06:02:56
● 2026-06-18 13:48:12
● 2026-08-07 17:00:40

●A37.187.83.722015-11-08 → 2026-08-07 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	-
a4.su	dns1.ru-tld.ru, dns2.ru-tld.ru	-

✅ Authoritative Response

Server:37.187.83.72

NS records: dns1.ru-tld.ru, dns2.ru-tld.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a4.su (unsigned zone)

⏱️ Timing

Total: 1449ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`176.31.179.191, 37.187.83.72`
NS	2	`dns2.ru-tld.ru, dns1.ru-tld.ru`
TXT	3	`eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ, v=DMARC1; p=reject; pct=100; sp=reject; ...`
SOA	1	`dns.ru-tld.ru support.ru-tld.ru`

Analysis

Hierarchy

The domain www.a4.su falls under the parent a4.su.

IP Addresses

a4.su has two IP addresses: 37.187.83.72 and 176.31.179.191

Two other host names, along with www.h2m.ru, starz.ru and ns.stinscoman.ru, also share IP numbers with a4.su.

Name Servers

a4.su carries NS records delegating to dns1.ru-tld.ru, dns2.ru-tld.ru and dns.ru-tld.ru.

At least some of a4.su's name servers are shared with other domains, for example evoname.ru, zooma41casino.ru, ns209.eskhosting.ru and two more.

The name servers dns1.ru-ltd.ru, dns2.ru-ltd.ru, parking.ru-tld.ru and two others are commonly seen in use alongside these name servers.

dns1.ru-tld.ru points to 37.187.83.72; dns2.ru-tld.ru points to 176.31.179.191; dns.ru-tld.ru points to 185.108.84.20 — each hostname maps to exactly one IP address.