sur.su - dns.ninja

`sur.su`

DNSSEC	⚠️ Not signed
A	2a07:7c80:101::3:1^{🇵🇱 HOST4BIZ-AS2a07:7c80::/29}
		PTR	`pl-sh3.host4.biz`
A	91.195.13.3^{🇵🇱 HOST4BIZ-AS91.195.12.0/23}
NS	`ns1.host4.biz` ⭐ ⚠️ Not in parent delegation
		A	2a07:7c80:0:8000::5^{🇵🇱 HOST4BIZ-AS2a07:7c80::/29}
		A	185.151.244.14^{🇵🇱 HOST4BIZ-AS185.151.244.0/22}
			PTR	`unallocated.host4.biz`
NS	`ns2.host4.biz` ⚠️ Not in parent delegation
		A	2a07:7c80:1::2^{🇵🇱 HOST4BIZ-AS2a07:7c80::/29}
		A	91.232.127.10^{🇵🇱 HOST4BIZ-AS91.232.127.0/24}
NS	`ns3.host4.biz` ⚠️ Not in zone NS records
		A	2a07:7c80:0:8000::3^{🇵🇱 HOST4BIZ-AS2a07:7c80::/29}
		A	185.151.244.3^{🇵🇱 HOST4BIZ-AS185.151.244.0/22}
			PTR	`unallocated.host4.biz`
NS	`ns4.host4.biz` ⚠️ Not in zone NS records
		A	2a07:7c80:1::4^{🇵🇱 HOST4BIZ-AS2a07:7c80::/29}
		A	91.232.127.12^{🇵🇱 HOST4BIZ-AS91.232.127.0/24}
SOA	`ns1.host4.biz`freedompost@gmail.com 2026-07-30 #1

`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=650210181

⚠️ On DNS blocklist: spam-tlds

Subdomains

mail.sur.su

Same first word

sur.cl

sur.me

sur.pl

sur.cz

sur.net

sur.com.ua

sur.su

sur.ph

sur.gov.tr

sur.net.ru

sur.ag

sur.net.tr

sur.jp

sur.com.et

sur.ly

sur.at

sur.co.in

sur.es

sur.domains

sur.be

sur.ch

sur.info

sur.com.tr

sur.org.co

sur.life

sur.org

sur.gt

sur.co.jp

sur.by

sur.in

sur.mobi

sur.foundation

sur.mn

sur.io

sur.eu

sur.ga

sur.fi

sur.com.py

sur.bel.tr

sur.bet

sur.biz

sur.ac

sur.se

sur.ee

sur.xyz

sur.ru

sur.nl

sur.com.ve

sur.si

sur.mx

sur.top

sur.fund

sur.gr.jp

sur.com.mx

sur.us

sur.place

sur.co.nz

sur.co

sur.fr

sur.com

sur.co.uk

sur.fm

sur.com.pl

sur.city

sur.restaurant

sur.or.kr

Similar names

rsu.ac.in

rus.org

rus.lu

rus.coffee

rsu.com

rsu.cn

rus.se

rsu.eu

rsu.org.cn

rus.uy

rsu.co.uk

rus.bio

rus.ec

rus.kg

usr.com

rsu.us

sru.org.sg

rus.team

sru.cz

sru.com

rus.org.ru

rsu.ca

rsu.ro

rsu.es

sru.edu.cn

urs.jp

usr.so

usr.com.au

usr.net

sru.me

usr.me

urs.uz

urs.ca

rus.bg

rus.io

rus.dk

usr.dk

rsu.edu

urs.ph

rus.tg

urs.ie

usr.co

sru.net.au

rus.ir

usr.de

rus.com

rus.com.ru

usr.hr

usr.gg

sru.se

usr.co.jp

rsu.net

usr.im

rus.pl

rus.red

rus.com.ar

urs.tw

urs.mobi

urs.it

rus.no

sru.jp

urs.holdings

sru.solutions

rus.gold

urs.ac.id

rus.gs

usr.gr

urs.lt

usr.sk

rus.miami

usr.ac

usr.ir

urs.com.au

usr.org

usr.us

rus.life

rus.nu

rus.fm

usr.name

sru.ru

rus.by

usr.ge

DNS History

20 records (6 active, 14 former)

●NSns1.host4.biz2026-02-22 → 2026-08-12 · 3 obs

○ 2020-04-23 03:08:22
● 2026-02-22 23:44:46
● 2026-08-12 11:50:36

○NSns1.hosting.reg.ru2020-04-23 → 2020-04-23 · 4 obs

○ 2017-10-24 02:59:10
● 2020-04-23 03:08:22
○ 2026-02-22 23:44:46
○ 2026-08-12 11:50:36

○NSns1.layer6.net2016-04-28 → 2017-10-24 · 4 obs

● 2016-04-28 13:33:44
● 2017-10-24 02:59:10
○ 2020-04-23 03:08:22
○ 2026-08-12 11:50:36

○NSns1.localhost.ltd2016-04-28 → 2017-10-24 · 4 obs

● 2016-04-28 13:33:44
● 2017-10-24 02:59:10
○ 2020-04-23 03:08:22
○ 2026-08-12 11:50:36

●NSns2.host4.biz2026-02-22 → 2026-08-12 · 3 obs

○ 2020-04-23 03:08:22
● 2026-02-22 23:44:46
● 2026-08-12 11:50:36

○NSns2.hosting.reg.ru2020-04-23 → 2020-04-23 · 4 obs

○ 2017-10-24 02:59:10
● 2020-04-23 03:08:22
○ 2026-02-22 23:44:46
○ 2026-08-12 11:50:36

○NSns2.layer6.net2016-04-28 → 2017-10-24 · 4 obs

● 2016-04-28 13:33:44
● 2017-10-24 02:59:10
○ 2020-04-23 03:08:22
○ 2026-08-12 11:50:36

●NSns3.host4.biz2026-02-22 → 2026-08-12 · 3 obs

○ 2020-04-23 03:08:22
● 2026-02-22 23:44:46
● 2026-08-12 11:50:36

○NSns3.layer6.net2016-04-28 → 2017-10-24 · 4 obs

● 2016-04-28 13:33:44
● 2017-10-24 02:59:10
○ 2020-04-23 03:08:22
○ 2026-08-12 11:50:36

●NSns4.host4.biz2026-02-22 → 2026-08-12 · 3 obs

○ 2020-04-23 03:08:22
● 2026-02-22 23:44:46
● 2026-08-12 11:50:36

○NSns4.layer6.net2016-04-28 → 2017-10-24 · 4 obs

● 2016-04-28 13:33:44
● 2017-10-24 02:59:10
○ 2020-04-23 03:08:22
○ 2026-08-12 11:50:36

○NSserver152.hosting.reg.ru2020-04-23 → 2020-04-23 · 4 obs

○ 2017-10-24 02:59:10
● 2020-04-23 03:08:22
○ 2026-02-22 23:44:46
○ 2026-08-12 11:50:36

○MXmail.sur.su2016-04-28 → 2026-08-06 · 26 obs

● 2016-04-28 13:33:44
● 2017-10-24 02:59:10
○ 2020-04-23 03:08:22
○ 2026-02-22 23:44:46
● 2026-02-27 11:54:54
○ 2026-02-28 15:43:36
● 2026-03-10 04:31:34
● 2026-03-17 12:02:48
○ 2026-03-18 13:51:02
○ 2026-03-20 22:42:44
● 2026-03-23 20:53:42
● 2026-03-23 23:39:42
○ 2026-03-25 16:19:04
● 2026-03-27 14:30:12
○ 2026-03-28 00:58:48
○ 2026-04-05 07:55:04
● 2026-04-05 19:50:24
● 2026-04-12 22:50:50
○ 2026-04-16 09:56:44
● 2026-04-19 11:00:42
○ 2026-04-20 01:55:40
● 2026-04-29 04:33:34
○ 2026-07-14 10:31:34
● 2026-08-06 23:26:44
○ 2026-08-12 11:50:34
○ 2026-08-12 11:50:36

○MXmx1.hosting.reg.ru2020-04-23 → 2020-04-23 · 4 obs

○ 2017-10-24 02:59:10
● 2020-04-23 03:08:22
○ 2026-02-22 23:44:46
○ 2026-08-12 11:50:36

○MXmx2.hosting.reg.ru2020-04-23 → 2020-04-23 · 4 obs

○ 2017-10-24 02:59:10
● 2020-04-23 03:08:22
○ 2026-02-22 23:44:46
○ 2026-08-12 11:50:36

○A2a00:f940:2:2:1:1:0:922020-04-23 → 2020-04-23 · 4 obs

○ 2017-10-24 02:59:10
● 2020-04-23 03:08:22
○ 2026-02-22 23:44:46
○ 2026-08-12 11:50:36

●A2a07:7c80:101::3:12026-02-22 → 2026-08-12 · 22 obs

○ 2020-04-23 03:08:22
● 2026-02-22 23:44:46
● 2026-03-17 12:02:48
○ 2026-03-18 13:51:02
● 2026-03-20 22:42:44
● 2026-03-23 23:39:42
○ 2026-03-25 16:19:04
● 2026-03-27 14:30:12
○ 2026-03-28 00:58:48
● 2026-04-05 07:55:04
● 2026-04-19 11:00:42
○ 2026-04-20 01:55:40
● 2026-04-29 04:33:34
● 2026-05-18 03:50:12
○ 2026-05-19 00:33:40
○ 2026-06-09 11:10:52
● 2026-06-19 21:00:34
○ 2026-07-04 20:14:06
● 2026-07-08 06:07:06
○ 2026-08-06 23:26:44
● 2026-08-12 11:50:34
● 2026-08-12 11:50:36

○A37.140.192.1782020-04-23 → 2020-04-23 · 4 obs

○ 2017-10-24 02:59:10
● 2020-04-23 03:08:22
○ 2026-02-22 23:44:46
○ 2026-08-12 11:50:36

○A5.34.183.622016-04-28 → 2017-10-24 · 4 obs

● 2016-04-28 13:33:44
● 2017-10-24 02:59:10
○ 2020-04-23 03:08:22
○ 2026-08-12 11:50:36

●A91.195.13.32026-02-22 → 2026-08-12 · 16 obs

○ 2020-04-23 03:08:22
● 2026-02-22 23:44:46
● 2026-03-25 16:19:04
○ 2026-03-27 14:30:12
○ 2026-03-28 00:58:48
● 2026-04-05 07:55:04
● 2026-04-12 22:50:50
○ 2026-04-16 09:56:44
○ 2026-04-29 04:33:34
● 2026-05-15 15:50:58
● 2026-05-18 03:50:12
○ 2026-05-19 00:33:40
● 2026-06-09 11:10:52
○ 2026-08-06 23:26:44
● 2026-08-12 11:50:34
● 2026-08-12 11:50:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	12 records
sur.su	ns3.host4.biz, ns4.host4.biz	-

✅ Authoritative Response

Server:185.151.244.3

NS records: ns3.host4.biz, ns4.host4.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sur.su (unsigned zone)

⏱️ Timing

Total: 1023ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.195.13.3`
NS	2	`ns1.host4.biz, ns2.host4.biz`
SOA	1	`ns1.host4.biz freedompost.gmail.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

sur.su serves as the parent of mail.sur.su.

IP Addresses

sur.su directs to two IP numbers, 91.195.13.3 and 2a07:7c80:101::3:1

mail.istoki.kh.ua, kamerka24.pl, mail.notabene.by and two other host names share IP numbers with sur.su.

Name Servers

The authoritative name servers for sur.su are ns1.host4.biz, ns2.host4.biz, ns3.host4.biz and ns4.host4.biz.

sur.su has at least partial name server overlap with other domains, such as remont-kvartirniy.ru, evklid.org, amarantmetal.ru and two others.

ns1.host4.biz, ns2.host4.biz, ns3.host4.biz and ns4.host4.biz all point to exactly two IP numbers each: ns1.host4.biz → 185.151.244.14 and 2a07:7c80:0:8000::5; ns2.host4.biz → 91.232.127.10 and 2a07:7c80:1::2; ns3.host4.biz → 185.151.244.3 and 2a07:7c80:0:8000::3; ns4.host4.biz → 91.232.127.12 and 2a07:7c80:1::4.