`4it.rs`

DNSSEC	⚠️ Not signed
A	18.64.155.16^{🇺🇸 Amazon18.64.152.0/21}
		PTR	`server-18-64-155-16.atl56.r.cloudfront.net`
A	18.64.155.25^{🇺🇸 Amazon18.64.152.0/21}
A	18.64.155.36^{🇺🇸 Amazon18.64.152.0/21}
A	18.64.155.55^{🇺🇸 Amazon18.64.152.0/21}
NS	`ns-148.awsdns-18.com` ⭐
		A	2600:9000:5300:9400::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-148.awsdns-18.com`
		A	205.251.192.148^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-148.awsdns-18.com`
NS	`ns-1332.awsdns-38.org`
		A	2600:9000:5305:3400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1332.awsdns-38.org`
		A	205.251.197.52^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1332.awsdns-38.org`
NS	`ns-1705.awsdns-21.co.uk`
		A	2600:9000:5306:a900::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1705.awsdns-21.co.uk`
		A	205.251.198.169^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1705.awsdns-21.co.uk`
NS	`ns-812.awsdns-37.net`
		A	2600:9000:5303:2c00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-812.awsdns-37.net`
		A	205.251.195.44^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-812.awsdns-37.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`MS=003573DE57B04B96EEC77C30599A204658E8F704`
TXT	`google-site-verification=yl0SBMxgD2oe_V93HdA90Nl1wKS4mOP3lRPRYoFsiu8`
TXT	`qii2dtmce1aa397gt7uh14j94u`
TXT	`v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCFnLoGWp+6Q6VG+jo2v0d...`
TXT	`v=spf1 include:_spf.google.com include:amazonses.com ~all`
SOA	`ns-148.awsdns-18.com`awsdns-hostmaster@amazon.com serial=1

`rs`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.rs` ⭐
	NS	`b.nic.rs`
	NS	`c.nic.rs`
	NS	`f.nic.rs`
	NS	`h.nic.rs`
	NS	`l.nic.rs`
	TXT	`rs zone update: 2026-07-28 14:30:03 +02:00 (EPOCH 1785241803)`
	SOA	`a.nic.rs`hostmaster@nic.rs 2026-07-28 #31

🔒 HSTS Preload (+subdomains)

Same first word

4it.ru

4it.com.ar

4it.co.za

4it.site

4it.com

4it.it

4it.vn

4it.at

4it.pro

4it.sk

4it.ch

4it.us

4it.dk

4it.cz

4it.ro

4it.ca

4it.fr

4it.nl

4it.by

4it.lv

4it.lt

4it.no

4it.co.uk

4it.su

4it.ge

4it.zone

4it.co

4it.es

4it.online

4it.net.ua

4it.com.au

4it.com.br

4it.consulting

4it.com.mx

4it.pl

4it.fi

4it.ai

4it.biz

4it.careers

4it.be

4it.top

4it.group

4it.mx

4it.cl

4it.kz

4it.rs

4it.org

4it.hu

4it.me

Similar names

it4.us

it4.com.ua

ti4.org

t4i.ch

t4i.nl

t4i.co.nz

4ti.com.br

it4.cl

i4t.cn

i4t.us

ti4.jp

i4t.de

it4.com

ti4.cn

it4.nyc

t4i.net

i4t.eu

it4.today

it4.de

it4.cz

ti4.net

i4t.it

i4t.ru

it4.me.uk

it4.hu

ti4.nyc

4ti.co.uk

4ti.net

it4.it

it4.berlin

i4t.biz

it4.be

i4t.co.uk

t4i.pl

t4i.it

it4.com.mx

4ti.ai

it4.ro

t4i.ru

4ti.de

t4i.gr

it4.kz

t4i.ir

it4.co.uk

4ti.com

ti4.de

t4i.com.au

t4i.org

it4.ru

ti4.it

4ti.me

i4t.cl

it4.business

i4t.com.br

t4i.io

i4t.net

it4.marketing

it4.su

i4t.es

it4.tv

it4.science

it4.org.ua

it4.co.za

it4.me

t4i.de

i4t.com

t4i.com

4ti.com.pl

it4.ch

it4.com.br

it4.net

it4.at

it4.nl

i4t.ca

it4.org

it4.se

t4i.eu

4ti.ru

i4t.co

it4.school

it4.pl

t4i.co

it4.cn

ti4.mobi

i4t.pl

4ti.mx

DNS History

41 records (13 active, 28 former)

●NSns-1332.awsdns-38.org2026-07-03 → 2026-07-28 · 2 obs

● 2026-07-03 12:41:44
● 2026-07-28 13:16:42

●NSns-148.awsdns-18.com2026-07-03 → 2026-07-28 · 2 obs

● 2026-07-03 12:41:44
● 2026-07-28 13:16:42

●NSns-1705.awsdns-21.co.uk2026-07-03 → 2026-07-28 · 2 obs

● 2026-07-03 12:41:44
● 2026-07-28 13:16:42

●NSns-812.awsdns-37.net2026-07-03 → 2026-07-28 · 2 obs

● 2026-07-03 12:41:44
● 2026-07-28 13:16:42

●MXalt1.aspmx.l.google.com2026-07-03 → 2026-07-28 · 4 obs

● 2026-07-03 12:41:44
○ 2026-07-12 00:49:40
● 2026-07-12 02:36:48
● 2026-07-28 13:16:42

●MXalt2.aspmx.l.google.com2026-07-03 → 2026-07-28 · 4 obs

● 2026-07-03 12:41:44
○ 2026-07-12 00:49:40
● 2026-07-12 02:36:48
● 2026-07-28 13:16:42

●MXaspmx.l.google.com2026-07-03 → 2026-07-28 · 4 obs

● 2026-07-03 12:41:44
○ 2026-07-12 00:49:40
● 2026-07-12 02:36:48
● 2026-07-28 13:16:42

●MXaspmx2.googlemail.com2026-07-03 → 2026-07-28 · 4 obs

● 2026-07-03 12:41:44
○ 2026-07-12 00:49:40
● 2026-07-12 02:36:48
● 2026-07-28 13:16:42

●MXaspmx3.googlemail.com2026-07-03 → 2026-07-28 · 4 obs

● 2026-07-03 12:41:44
○ 2026-07-12 00:49:40
● 2026-07-12 02:36:48
● 2026-07-28 13:16:42

○A108.138.64.1182026-07-07 → 2026-07-11 · 10 obs

○ 2026-07-07 20:45:18
● 2026-07-07 22:14:32
○ 2026-07-07 22:56:20
● 2026-07-09 07:35:36
○ 2026-07-09 10:30:04
● 2026-07-10 12:26:36
○ 2026-07-10 18:43:28
● 2026-07-11 17:13:32
○ 2026-07-11 19:10:08
○ 2026-07-28 13:16:42

○A108.138.64.222026-07-07 → 2026-07-11 · 10 obs

○A108.138.64.812026-07-07 → 2026-07-11 · 10 obs

○A108.138.64.942026-07-07 → 2026-07-11 · 10 obs

○A13.35.107.1112026-07-12 → 2026-07-27 · 22 obs

○ 2026-07-12 16:52:24
● 2026-07-12 21:30:08
○ 2026-07-13 01:13:56
● 2026-07-13 02:35:34
○ 2026-07-13 04:33:36
● 2026-07-14 13:08:06
○ 2026-07-14 14:15:58
● 2026-07-18 01:36:16
○ 2026-07-18 09:08:02
● 2026-07-18 10:50:42
○ 2026-07-18 20:36:08
● 2026-07-19 06:48:52
○ 2026-07-19 08:46:12
● 2026-07-20 21:43:08
○ 2026-07-21 06:39:06
● 2026-07-22 00:52:54
○ 2026-07-22 07:22:14
● 2026-07-26 04:46:50
○ 2026-07-26 05:26:04
● 2026-07-27 07:42:20
○ 2026-07-27 08:36:00
○ 2026-07-28 13:16:42

○A13.35.107.122026-07-12 → 2026-07-27 · 22 obs

○A13.35.107.182026-07-12 → 2026-07-27 · 22 obs

○A13.35.107.72026-07-12 → 2026-07-27 · 22 obs

○A143.204.194.102026-07-25 → 2026-07-27 · 8 obs

○ 2026-07-23 15:49:16
● 2026-07-25 19:24:18
○ 2026-07-25 21:34:32
● 2026-07-26 14:51:44
○ 2026-07-26 21:13:26
● 2026-07-27 05:37:44
○ 2026-07-27 06:09:42
○ 2026-07-28 13:16:42

○A143.204.194.1062026-07-25 → 2026-07-27 · 8 obs

○ 2026-07-23 15:49:16
● 2026-07-25 19:24:18
○ 2026-07-25 21:34:32
● 2026-07-26 14:51:44
○ 2026-07-26 21:13:26
● 2026-07-27 05:37:44
○ 2026-07-27 06:09:42
○ 2026-07-28 13:16:42

○A143.204.194.772026-07-25 → 2026-07-27 · 8 obs

○ 2026-07-23 15:49:16
● 2026-07-25 19:24:18
○ 2026-07-25 21:34:32
● 2026-07-26 14:51:44
○ 2026-07-26 21:13:26
● 2026-07-27 05:37:44
○ 2026-07-27 06:09:42
○ 2026-07-28 13:16:42

○A143.204.194.892026-07-25 → 2026-07-27 · 8 obs

○ 2026-07-23 15:49:16
● 2026-07-25 19:24:18
○ 2026-07-25 21:34:32
● 2026-07-26 14:51:44
○ 2026-07-26 21:13:26
● 2026-07-27 05:37:44
○ 2026-07-27 06:09:42
○ 2026-07-28 13:16:42

○A18.154.144.1132026-07-05 → 2026-07-23 · 26 obs

○ 2026-07-03 12:41:44
● 2026-07-05 05:14:32
○ 2026-07-05 05:49:40
● 2026-07-07 20:45:18
○ 2026-07-07 22:14:32
● 2026-07-08 06:05:22
○ 2026-07-08 14:46:36
● 2026-07-08 17:12:22
○ 2026-07-09 02:40:56
● 2026-07-09 06:04:22
○ 2026-07-09 06:57:16
● 2026-07-09 16:58:12
○ 2026-07-10 04:20:28
● 2026-07-10 18:43:28
○ 2026-07-10 20:27:02
● 2026-07-12 05:20:02
○ 2026-07-12 13:23:46
● 2026-07-17 05:03:06
○ 2026-07-17 06:05:04
● 2026-07-18 00:41:44
○ 2026-07-18 01:36:16
● 2026-07-23 00:27:42
○ 2026-07-23 04:07:18
● 2026-07-23 12:57:00
○ 2026-07-23 15:49:16
○ 2026-07-28 13:16:42

○A18.154.144.42026-07-05 → 2026-07-23 · 26 obs

○A18.154.144.432026-07-05 → 2026-07-23 · 26 obs

○A18.154.144.492026-07-05 → 2026-07-23 · 26 obs

●A18.64.155.162026-07-26 → 2026-07-28 · 5 obs

○ 2026-07-26 14:51:44
● 2026-07-26 21:13:26
○ 2026-07-27 00:14:06
● 2026-07-28 07:51:26
● 2026-07-28 13:16:42

●A18.64.155.252026-07-26 → 2026-07-28 · 5 obs

○ 2026-07-26 14:51:44
● 2026-07-26 21:13:26
○ 2026-07-27 00:14:06
● 2026-07-28 07:51:26
● 2026-07-28 13:16:42

●A18.64.155.362026-07-26 → 2026-07-28 · 5 obs

○ 2026-07-26 14:51:44
● 2026-07-26 21:13:26
○ 2026-07-27 00:14:06
● 2026-07-28 07:51:26
● 2026-07-28 13:16:42

●A18.64.155.552026-07-26 → 2026-07-28 · 5 obs

○ 2026-07-26 14:51:44
● 2026-07-26 21:13:26
○ 2026-07-27 00:14:06
● 2026-07-28 07:51:26
● 2026-07-28 13:16:42

○A3.166.181.1002026-07-03 → 2026-07-26 · 29 obs

● 2026-07-03 12:41:44
○ 2026-07-05 05:14:32
● 2026-07-05 05:49:40
○ 2026-07-07 20:45:18
● 2026-07-07 22:56:20
○ 2026-07-08 06:05:22
● 2026-07-08 14:46:36
○ 2026-07-08 17:12:22
● 2026-07-09 02:40:56
○ 2026-07-09 06:04:22
● 2026-07-09 06:57:16
○ 2026-07-09 07:35:36
● 2026-07-09 10:30:04
○ 2026-07-09 16:58:12
● 2026-07-12 02:36:48
○ 2026-07-12 04:46:06
● 2026-07-14 09:56:08
○ 2026-07-14 13:08:06
● 2026-07-15 13:07:12
○ 2026-07-15 14:18:42
● 2026-07-15 20:16:28
○ 2026-07-16 08:01:00
● 2026-07-19 19:21:34
○ 2026-07-20 21:43:08
● 2026-07-21 06:39:06
○ 2026-07-21 12:28:06
● 2026-07-26 08:06:02
○ 2026-07-26 10:16:48
○ 2026-07-28 13:16:42

○A3.166.181.1042026-07-03 → 2026-07-26 · 29 obs

○A3.166.181.362026-07-03 → 2026-07-26 · 29 obs

○A3.166.181.872026-07-03 → 2026-07-26 · 29 obs

○A52.85.154.1012026-07-11 → 2026-07-19 · 20 obs

○ 2026-07-11 17:13:32
● 2026-07-11 19:10:08
○ 2026-07-12 00:49:40
● 2026-07-12 15:29:12
○ 2026-07-12 16:52:24
● 2026-07-13 01:13:56
○ 2026-07-13 02:35:34
● 2026-07-14 07:18:06
○ 2026-07-14 09:56:08
● 2026-07-14 22:34:44
○ 2026-07-15 01:32:50
● 2026-07-15 07:10:24
○ 2026-07-15 08:40:34
● 2026-07-18 09:08:02
○ 2026-07-18 09:58:32
● 2026-07-18 21:22:10
○ 2026-07-19 00:58:18
● 2026-07-19 08:46:12
○ 2026-07-19 19:21:34
○ 2026-07-28 13:16:42

○A52.85.154.1192026-07-11 → 2026-07-19 · 20 obs

○A52.85.154.52026-07-11 → 2026-07-19 · 20 obs

○A52.85.154.802026-07-11 → 2026-07-19 · 20 obs

○A99.84.252.1092026-07-10 → 2026-07-27 · 52 obs

○ 2026-07-09 16:58:12
● 2026-07-10 04:20:28
○ 2026-07-10 12:26:36
● 2026-07-10 20:27:02
○ 2026-07-11 17:13:32
● 2026-07-12 04:46:06
○ 2026-07-12 05:20:02
● 2026-07-12 13:23:46
○ 2026-07-12 15:29:12
● 2026-07-12 16:52:24
○ 2026-07-12 21:30:08
● 2026-07-13 04:33:36
○ 2026-07-14 07:18:06
● 2026-07-14 14:15:58
○ 2026-07-14 22:34:44
● 2026-07-15 01:32:50
○ 2026-07-15 07:10:24
● 2026-07-15 08:40:34
○ 2026-07-15 13:07:12
● 2026-07-15 14:18:42
○ 2026-07-15 20:16:28
● 2026-07-16 08:01:00
○ 2026-07-17 05:03:06
● 2026-07-17 06:05:04
○ 2026-07-18 00:41:44
● 2026-07-18 09:58:32
○ 2026-07-18 10:50:42
● 2026-07-18 20:36:08
○ 2026-07-18 21:22:10
● 2026-07-19 00:58:18
○ 2026-07-19 06:48:52
● 2026-07-21 12:28:06
○ 2026-07-22 00:52:54
● 2026-07-22 07:22:14
○ 2026-07-23 00:27:42
● 2026-07-23 04:07:18
○ 2026-07-23 12:57:00
● 2026-07-23 15:49:16
○ 2026-07-25 19:24:18
● 2026-07-25 21:34:32
○ 2026-07-26 04:46:50
● 2026-07-26 05:26:04
○ 2026-07-26 08:06:02
● 2026-07-26 10:16:48
○ 2026-07-26 14:51:44
● 2026-07-27 00:14:06
○ 2026-07-27 05:37:44
● 2026-07-27 06:09:42
○ 2026-07-27 07:42:20
● 2026-07-27 08:36:00
○ 2026-07-28 07:51:26
○ 2026-07-28 13:16:42

○A99.84.252.1142026-07-10 → 2026-07-27 · 52 obs

○A99.84.252.92026-07-10 → 2026-07-27 · 52 obs

○A99.84.252.982026-07-10 → 2026-07-27 · 52 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
rs	a.nic.rs, c.nic.rs, h.nic.rs, f.nic.rs...	-
4it.rs	ns-1332.awsdns-38.org, ns-812.awsdns-37.net, ns-148.awsdns-18.com, ns-1705.awsdns-21.co.uk	-

✅ Authoritative Response

Server:205.251.198.169

NS records: ns-1332.awsdns-38.org, ns-812.awsdns-37.net, ns-148.awsdns-18.com, ns-1705.awsdns-21.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4it.rs (unsigned zone)

⏱️ Timing

Total: 945ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.111, 13.35.107.7...`
NS	4	`ns-1332.awsdns-38.org, ns-148.awsdns-18.com...`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	5	`MS=003573DE57B04B96EEC77C30599A204658E8F, google-site-verification=yl0SBMxgD2oe_V9...`
SOA	1	`ns-148.awsdns-18.com awsdns-hostmaster.a`

Analysis

IP Addresses

4it.rs resolves to four IP addresses: 18.64.155.16, 18.64.155.25, 18.64.155.36 and 18.64.155.55.

stockroads.com, d31exq2og034z1.cloudfront.net, lti-integration.grammarly.com plus two other host names have IP numbers in common with 4it.rs.

Name Servers

Four name servers handle the delegation for 4it.rs: ns-148.awsdns-18.com, ns-812.awsdns-37.net, ns-1332.awsdns-38.org and ns-1705.awsdns-21.co.uk.

4it.rs shares at least some of its name servers with other domains, including copy1-int.com, mbmiresources.com, lics-net.com and two others.

The host names ns-148.awsdns-18.com, ns-812.awsdns-37.net, ns-1332.awsdns-38.org and ns-1705.awsdns-21.co.uk each resolve to two IP addresses: ns-148.awsdns-18.com resolves to 205.251.192.148 and 2600:9000:5300:9400::1; ns-812.awsdns-37.net resolves to 205.251.195.44 and 2600:9000:5303:2c00::1; ns-1332.awsdns-38.org resolves to 205.251.197.52 and 2600:9000:5305:3400::1; ns-1705.awsdns-21.co.uk resolves to 205.251.198.169 and 2600:9000:5306:a900::1.

Mail Servers

4it.rs is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by 4it.rs are shared with other domains: colombiaguru.com, ns500742.ns500754.ns500742.ns500742.ns500742.ns500671.ns500671.ns500704.ns500704.ns500704.ns500649.ns500291.tenderladiesbz.com, ns500768.ns500758.ns500759.ns500758.ns500735.ns500698.ns500576.ns500708.ns500708.ns500708.ns500576.ns500698.tracksymphony.com and two others among them.

These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com resolves to two addresses: 64.233.180.26 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 2800:3f0:4003:c0f::1a IP addresses.

aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 172.253.116.26 IP addresses.

4it.rs - robtex.com

4it.rs

rs

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`4it.rs`

`rs`