`f12.su`

DNSSEC	⚠️ Not signed
A	91.189.114.6^{🇷🇺 RU-CENTER91.189.114.0/23 RU-NIC-HOSTING}
		PTR	`wcarp.hosting.nic.ru`
NS	`ns3.nic.ru` ⭐
		A	194.85.61.20^{🇷🇺 RU-CENTER194.85.61.0/24 RUNIC}
			PTR	`ns3.nic.ru`
NS	`ns4.nic.ru`
		A	194.226.96.8^{🇷🇺 RU-CENTER194.226.96.0/24 RUCENTER}
			PTR	`ns4.nic.ru`
NS	`ns8.nic.ru`
		A	193.232.130.14^{🇷🇺 RU-CENTER193.232.130.0/24}
			PTR	`ns8.nic.ru`
MX	`mx02.nicmail.ru` ⭐
		A	91.189.116.13^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.14^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.15^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.16^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
MX	`mx01.nicmail.ru`⁽¹⁰⁾
		A	91.189.116.13^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.14^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.15^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
		A	91.189.116.16^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
MX	`mx03.nicmail.ru`⁽²⁰⁾
		A	91.189.116.16^{🇷🇺 RU-CENTER91.189.116.0/22 RU-NIC-HOSTING}
			PTR	`mx01.nicmail.ru`
TXT	`v=spf1 redirect=nicmail.ru`
SOA	`ns3.nic.ru`admin@f12.su serial=1690305512

`su`

	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=650208861

Subdomains

mail.f12.su

Same first word

f12.net

f12.gr

f12.com

f12.me

f12.hu

f12.su

f12.co

f12.com.ua

f12.bet.br

f12.dk

f12.at

f12.bet

f12.vn

f12.club

f12.cl

f12.pt

f12.xyz

f12.biz

f12.no

f12.eu

f12.nl

f12.br.com

f12.in

f12.ro

f12.de

f12.ru

f12.se

f12.org

f12.pl

Similar names

12f.de

21f.net

f21.org

2f1.cc

f21.xyz

12f.ru

f21.net

f21.cz

f21.es

f21.com

f21.nl

12f.com

f21.com.vn

21f.com

1f2.top

1f2.com

2f1.top

21f.de

2f1.ch

1f2.cn

f21.de

f21.jp

f21.com.my

12f.com.br

21f.ru

12f.nl

12f.com.cn

f21.sg

12f.cn

f21.ca

2f1.co.uk

f21.mobi

f21.at

1f2.net

f21.hu

1f2.ru

2f1.de

12f.us

21f.cc

f21.org.au

f21.fr

2f1.cn

1f2.de

f21.com.mx

f21.mx

f21.ch

f21.co

2f1.net

2f1.ru

f21.ru

f21.me

f21.no

DNS History

7 records (7 active, 0 former)

●NSns3.nic.ru2026-03-28 → 2026-04-24 · 2 obs

● 2026-03-28 19:10:22
● 2026-04-24 22:00:40

●NSns4.nic.ru2026-03-28 → 2026-04-24 · 2 obs

● 2026-03-28 19:10:22
● 2026-04-24 22:00:40

●NSns8.nic.ru2026-03-28 → 2026-04-24 · 2 obs

● 2026-03-28 19:10:22
● 2026-04-24 22:00:40

●MXmx01.nicmail.ru2026-03-28 → 2026-04-24 · 2 obs

● 2026-03-28 19:10:22
● 2026-04-24 22:00:40

●MXmx02.nicmail.ru2026-03-28 → 2026-04-24 · 2 obs

● 2026-03-28 19:10:22
● 2026-04-24 22:00:40

●MXmx03.nicmail.ru2026-03-28 → 2026-04-24 · 2 obs

● 2026-03-28 19:10:22
● 2026-04-24 22:00:40

●A91.189.114.62026-03-28 → 2026-04-24 · 2 obs

● 2026-03-28 19:10:22
● 2026-04-24 22:00:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...	10 records
f12.su	ns3.nic.ru, ns4.nic.ru, ns8.nic.ru	-

✅ Authoritative Response

Server:193.232.130.14

NS records: ns3.nic.ru, ns4.nic.ru, ns8.nic.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f12.su (unsigned zone)

⏱️ Timing

Total: 2525ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.189.114.6`
NS	3	`ns4.nic.ru, ns8.nic.ru...`
MX	3	`mx01.nicmail.ru (pri: 10), mx03.nicmail.ru (pri: 20)...`
TXT	1	`v=spf1 redirect=nicmail.ru`
SOA	1	`ns3.nic.ru admin.f12.su`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)

Analysis

Hierarchy

f12.su is the parent of mail.f12.su.

IP Addresses

f12.su resolves to one IP number: 91.189.114.6.

other host names including fr-auto.com, blue.osipenkoolga.ru, akemi.lt, igzvaric.ru and h2o-club.ru share IP numbers with f12.su.

Name Servers

f12.su is delegated to three name servers ns3.nic.ru, ns4.nic.ru and ns8.nic.ru.

f12.su at least partially shares name servers with other domains, for instance vaping.ru, h111330261.nichost.ru, aviatex.nichost.ru, depotech.ru and alderamin.ru.

Name servers commonly used together include statuspage1.nic.ru, statuspage2.nic.ru, ns1.hc.ru, ns2.hc.ru, ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns8-cloud.nic.ru and ns8-l2.nic.ru.

Host names with one IP number: ns3.nic.ru points to 194.85.61.20; ns4.nic.ru points to 194.226.96.8; ns8.nic.ru points to 193.232.130.14.

Mail Servers

f12.su is handled by three mail servers: mx01.nicmail.ru, mx02.nicmail.ru and mx03.nicmail.ru.

f12.su shares some mail servers with other domains, at least partially, for instance rzlok.ru, moretur.nichost.ru, autosf.ru, gruzdev.ru and arss.net.