`mail4.hrf.su`

DNSSEC	⚠️ Not signed
A	193.33.133.205^{🇷🇺 STC-AS193.33.132.0/23 Russia, Krasnodar, RuFox Ltd.}
		PTR	`mail2.hrf.su`

`hrf.su`

	DNSSEC	⚠️ Not signed
	A	91.230.54.66^{🇷🇺 STC-AS91.230.54.0/24 Russia, Krasnodar, RuFox Ltd.}
	NS	`mail2.hrf.su` ⭐
	NS	`ns1.rufox.ru` ⚠️ Not in parent delegation
	NS	`ns2.rufox.ru` ⚠️ Not in parent delegation
	NS	`ns3.rufox.ru` ⚠️ Not in parent delegation
	NS	`ns4.rufox.ru` ⚠️ Not in zone NS records
	NS	`ns5.rufox.ru` ⚠️ Not in zone NS records
	MX	`mail1.hrf.su` ⭐
	TXT	`v=spf1 ip4:193.33.132.210 ip4:193.33.133.19 ip4:193.33.133.205 ip4:193.33.133...`
	TXT	`v=spf1 ip4:193.33.132.210 ip4:193.33.133.19 ip4:193.33.133.205 a mx ~all`
	TXT	`_globalsign-domain-verification=PW6IuZMgREWMoR95uT-BhbnqkrWV3FqGYwtXUhNujy`
	SOA	`mail2.hrf.su`manager@rufox.com 2021-10-10 #81

📈 Tranco rank: #241,663

Previously NS for

Same first word

mail4.us

mail4.at

mail4.uk

mail4.kinghost.net

mail4.org

mail4.dk

mail4.pl

mail4.nhs.uk

mail4.io

mail4.de

mail4.mil.ru

mail4.ru

mail4.in

mail4.co

mail4.com

mail4.it

mail4.gov.ao

mail4.net

mail4.pro

Similar names

mila4.de

4mail.me

4mail.net

4mail.hu

4mail.fr

4mail.pl

4mail.pro

4mail.cn

4mail.ca

4mail.it

4mila.ch

ml4ai.net

4mail.co

4mail.de

4mail.org

4mail.us

4mail.eu

lima4.com

4mali.com

4lima.com

4mail.nl

4mail.ru

4lima.ch

4mail.xyz

4mail.be

4lima.at

ai4ml.com

4mail.nz

4mail.es

4mail.pt

4mail.work

4mail.com

4mail.co.uk

4lima.de

4mail.se

DNS History

2 records (1 active, 1 former)

●A193.33.133.2052026-02-15 → 2026-03-29 · 3 obs

○ 2017-04-18 22:10:56
● 2026-02-15 01:08:20
● 2026-03-29 21:30:06

○A193.33.133.32017-04-18 → 2017-04-18 · 3 obs

● 2017-04-18 22:10:56
○ 2026-02-15 01:08:20
○ 2026-03-29 21:30:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
hrf.su	ns4.rufox.ru, ns5.rufox.ru	-

✅ Authoritative Response

Server:91.230.54.77

NS records: ns4.rufox.ru, ns5.rufox.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hrf.su (unsigned zone)

⏱️ Timing

Total: 1395ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.33.133.205`

Analysis

IP Addresses

mail4.hrf.su points to IP number 193.33.133.205.

For instance, other host names mail.asterm.ru, mail.ngpproekt.ru, mail.mp21.ru, mail.petkus-kuban.ru and mail.krasnodarfontan.ru share IP numbers with mail4.hrf.su.

mail4.hrf.su - robtex.com

mail4.hrf.su

hrf.su