`4tw.org`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::267^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0267.elastic-ssl.ui-r.com`
A	217.160.0.103^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1017.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5311:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1017.ui-dns.org`
		A	217.160.83.17^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1017.ui-dns.org`
NS	`ns1025.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5119:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1025.ui-dns.biz`
		A	217.160.81.25^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1025.ui-dns.biz`
NS	`ns1042.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:502a:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1042.ui-dns.de`
		A	217.160.80.42^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1042.ui-dns.de`
NS	`ns1091.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:525b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1091.ui-dns.com`
		A	217.160.82.91^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1091.ui-dns.com`
MX	`mail.protonmail.ch` ⭐ 🔒
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾ 🔒
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
TXT	`protonmail-verification=e5271a73a4bf6ecb6bd16dbd4fa09a405a6a1f1a`
SOA	`ns1017.ui-dns.org`hostmaster@1und1.com 2017-06-01 #24

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1771291736

Same first word

4tw.com

4tw.in

4tw.cc

4tw.de

4tw.ru

4tw.ch

4tw.org

4tw.biz

4tw.dk

Similar names

tw4.jp

t4w.com.br

w4t.nl

tw4.ru

t4w.pl

4wt.de

tw4.in

4wt.com

wt4.de

4wt.co.za

w4t.de

t4w.org

tw4.net

w4t.org

tw4.com.br

t4w.nl

4wt.co.uk

t4w.pt

wt4.com.cn

wt4.com.br

wt4.com

t4w.com

t4w.co.uk

w4t.eu

w4t.us

t4w.net

w4t.be

t4w.s3.amazonaws.com

4wt.cn

w4t.com

w4t.link

t4w.de

t4w.us

DNS History

26 records (8 active, 18 former)

○NSns1.namebrightdns.com2016-09-24 → 2016-12-31 · 5 obs

○ 2016-06-25 14:06:38
● 2016-09-24 03:07:32
● 2016-12-31 02:23:48
○ 2026-02-16 06:29:30
○ 2026-03-13 22:14:00

●NSns1017.ui-dns.org2026-02-16 → 2026-03-13 · 3 obs

○ 2016-12-31 02:23:48
● 2026-02-16 06:29:30
● 2026-03-13 22:14:00

●NSns1025.ui-dns.biz2026-02-16 → 2026-03-13 · 3 obs

○ 2016-12-31 02:23:48
● 2026-02-16 06:29:30
● 2026-03-13 22:14:00

●NSns1042.ui-dns.de2026-02-16 → 2026-03-13 · 3 obs

○ 2016-12-31 02:23:48
● 2026-02-16 06:29:30
● 2026-03-13 22:14:00

●NSns1091.ui-dns.com2026-02-16 → 2026-03-13 · 3 obs

○ 2016-12-31 02:23:48
● 2026-02-16 06:29:30
● 2026-03-13 22:14:00

○NSns2.namebrightdns.com2016-09-24 → 2016-12-31 · 5 obs

○ 2016-06-25 14:06:38
● 2016-09-24 03:07:32
● 2016-12-31 02:23:48
○ 2026-02-16 06:29:30
○ 2026-03-13 22:14:00

○NSns33.1and1.co.uk2015-06-01 → 2015-12-21 · 4 obs

● 2015-06-01 19:07:54
● 2015-12-21 12:49:42
○ 2016-06-25 14:06:38
○ 2026-03-13 22:14:00

○NSns34.1and1.co.uk2015-06-01 → 2015-12-21 · 4 obs

● 2015-06-01 19:07:54
● 2015-12-21 12:49:42
○ 2016-06-25 14:06:38
○ 2026-03-13 22:14:00

●MXmail.protonmail.ch2026-02-16 → 2026-03-13 · 3 obs

○ 2016-12-31 02:23:48
● 2026-02-16 06:29:30
● 2026-03-13 22:14:00

○MXmail1.namebrightmail.com2016-09-24 → 2016-12-31 · 5 obs

○ 2016-06-25 14:06:38
● 2016-09-24 03:07:32
● 2016-12-31 02:23:48
○ 2026-02-16 06:29:30
○ 2026-03-13 22:14:00

○MXmail2.namebrightmail.com2016-09-24 → 2016-12-31 · 5 obs

○ 2016-06-25 14:06:38
● 2016-09-24 03:07:32
● 2016-12-31 02:23:48
○ 2026-02-16 06:29:30
○ 2026-03-13 22:14:00

●MXmailsec.protonmail.ch2026-02-16 → 2026-03-13 · 3 obs

○ 2016-12-31 02:23:48
● 2026-02-16 06:29:30
● 2026-03-13 22:14:00

○MXmx00.1and1.co.uk2015-06-01 → 2015-12-21 · 4 obs

● 2015-06-01 19:07:54
● 2015-12-21 12:49:42
○ 2016-06-25 14:06:38
○ 2026-03-13 22:14:00

○MXmx00.ionos.com2026-02-16 → 2026-03-13 · 2 obs

○ 2026-02-16 06:29:30
○ 2026-03-13 22:14:00

○MXmx01.1and1.co.uk2015-06-01 → 2015-12-21 · 4 obs

● 2015-06-01 19:07:54
● 2015-12-21 12:49:42
○ 2016-06-25 14:06:38
○ 2026-03-13 22:14:00

○MXmx01.ionos.com2026-02-16 → 2026-03-13 · 2 obs

○ 2026-02-16 06:29:30
○ 2026-03-13 22:14:00

●A2001:8d8:100f:f000::2672026-02-16 → 2026-03-13 · 3 obs

○ 2016-12-31 02:23:48
● 2026-02-16 06:29:30
● 2026-03-13 22:14:00

●A217.160.0.1032026-02-16 → 2026-03-13 · 3 obs

○ 2016-12-31 02:23:48
● 2026-02-16 06:29:30
● 2026-03-13 22:14:00

○A34.193.204.2352016-12-31 → 2016-12-31 · 4 obs

○ 2016-11-25 23:37:32
● 2016-12-31 02:23:48
○ 2026-02-16 06:29:30
○ 2026-03-13 22:14:00

○A54.175.122.202016-09-24 → 2016-09-24 · 4 obs

○ 2015-12-21 12:49:42
● 2016-09-24 03:07:32
○ 2016-11-25 23:37:32
○ 2026-03-13 22:14:00

○A54.175.185.1842016-12-31 → 2016-12-31 · 4 obs

○ 2016-11-25 23:37:32
● 2016-12-31 02:23:48
○ 2026-02-16 06:29:30
○ 2026-03-13 22:14:00

○A54.86.217.1322016-11-25 → 2016-11-25 · 4 obs

○ 2016-09-24 03:07:32
● 2016-11-25 23:37:32
○ 2016-12-31 02:23:48
○ 2026-03-13 22:14:00

○A54.88.146.1592016-11-25 → 2016-11-25 · 4 obs

○ 2016-09-24 03:07:32
● 2016-11-25 23:37:32
○ 2016-12-31 02:23:48
○ 2026-03-13 22:14:00

○A82.165.95.1852015-06-01 → 2015-10-19 · 4 obs

● 2015-06-01 19:07:54
● 2015-10-19 22:08:46
○ 2015-12-21 12:49:42
○ 2026-03-13 22:14:00

○CNAMEnbparking-lb-1977168523.us-east-1.elb.amazonaws.com2016-11-25 → 2026-02-16 · 4 obs

● 2016-11-25 23:37:32
● 2026-02-16 06:29:30
○ 2026-02-23 14:03:30
○ 2026-03-13 22:14:00

○CNAMEurlforward.namebright.com2016-11-25 → 2026-02-16 · 4 obs

● 2016-11-25 23:37:32
● 2026-02-16 06:29:30
○ 2026-02-23 14:03:30
○ 2026-03-13 22:14:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
4tw.org	ns1042.ui-dns.de, ns1017.ui-dns.org, ns1091.ui-dns.com, ns1025.ui-dns.biz	2 records

✅ Authoritative Response

Server: 217.160.80.42

NS records: ns1042.ui-dns.de, ns1017.ui-dns.org, ns1091.ui-dns.com, ns1025.ui-dns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4tw.org (unsigned zone)

⏱️ Timing

Total: 719ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.103`
AAAA	1	`2001:8d8:100f:f000::267`
NS	4	`ns1042.ui-dns.de, ns1017.ui-dns.org...`
MX	2	`mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10)`
TXT	2	`v=spf1 include:_spf.protonmail.ch ~all, protonmail-verification=e5271a73a4bf6ecb`
SOA	1	`ns1017.ui-dns.org hostmaster.1und1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1017.ui-dns.org, ns1017.ui-dns.org)

Analysis

IP Addresses

4tw.org resolves to two IPs: 2001:8d8:100f:f000::267 and 217.160.0.103.

other host names for instance despaigne-promotion.com, bueche-gmbh.de, al-regal.com, stefan-zweig.net and miragestore.it share IP numbers with 4tw.org.

Name Servers

4tw.org is delegated to four name servers: ns1025.ui-dns.biz, ns1091.ui-dns.com, ns1042.ui-dns.de and ns1017.ui-dns.org.

4tw.org at least partially shares name servers with other domains, for instance by-store.com, psicoterapiaherrero.es, arquisaez.com, hydrochemie.net and waldens.de.

These name servers are often used together with the name servers ns1042.ui-dns.biz, ns1042.ui-dns.com, ns1042.ui-dns.org, ns1017.ui-dns.biz, ns1017.ui-dns.com, ns1017.ui-dns.de, ns1025.ui-dns.org, ns1025.ui-dns.com, ns1025.ui-dns.de and ns1091.ui-dns.org.

Host names with two IP numbers:

Host name ns1025.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5119:100 and 217.160.81.25.

Host name ns1091.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:525b:100 and 217.160.82.91.

Host name ns1042.ui-dns.de points to: 2001:8d8:fe:53:0:d9a0:502a:100 and 217.160.80.42.

Host name ns1017.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5311:100 and 217.160.83.17.

Mail Servers

4tw.org is handled by two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

4tw.org shares the same mail server setup as other domains, for instance zarss.net, earthtunes.com, ren.su, pickingbooks.com and fgijbels.be.

4tw.org shares mail servers with other domains at least partially, including 8bit.ltd, habexsystems.com, phyubox.com, hirschmusic.com and neby.com.

These mail servers are commonly used with alt1.aspmx.l.google.com, aspmx.l.google.com and alt2.aspmx.l.google.com.

Host names with three IP numbers:

mail.protonmail.ch points to: 176.119.200.128, 185.70.42.128 and 185.205.70.128.

mailsec.protonmail.ch points to: 176.119.200.129, 185.70.42.129 and 185.205.70.129.

4tw.org - robtex.com

4tw.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`4tw.org`

`org`