4strings.be - dns.ninja

`4strings.be`

DNSSEC	🔒 Signed (DS record present)
A	2a10:b5c1:100::1^{🇳🇱 LEASEWEB-NL-AMS-012a10:b5c1::/32}
A	103.149.169.100^{🇧🇩 LEASEWEB-NL-AMS-01103.149.169.0/24}
NS	`ns1.site.eu` ⭐
		A	2a10:b5c1:11::1^{🇳🇱 LEASEWEB-NL-AMS-012a10:b5c1::/32}
			PTR	`ns1.site.eu`
		A	103.149.169.11^{🇧🇩 LEASEWEB-NL-AMS-01103.149.169.0/24}
			PTR	`ns1.site.eu`
NS	`ns2.site.nl`
		A	2a01:4f8:1c17:d12d::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	142.132.183.194^{🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC}
			PTR	`static.194.183.132.142.clients.your-server.de`
NS	`ns3.site.be`
		A	2a01:4ff:f0:aff::1^{🇺🇸 HETZNER-CLOUD2-AS2a01:4ff::/40 HETZNER-IPv6-BLK}
		A	5.161.43.255^{🇺🇸 HETZNER-CLOUD2-AS5.161.43.0/24}
			PTR	`static.255.43.161.5.clients.your-server.de`
NS	`ns4.site.de`
		A	2402:1f00:8000:800::1e75^{🇸🇬 OVH2402:1f00:8000::/40 2 Rue Kellermann}
			PTR	`vps-7aa1ab0e.vps.ovh.ca`
		A	51.79.145.245^{🇸🇬 OVH51.79.128.0/17 Hosting route}
			PTR	`vps-7aa1ab0e.vps.ovh.ca`
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`
MX	`spamfilter1.site.eu`⁽³⁰⁾
		A	2a10:b5c1:241::1^{🇳🇱 LEASEWEB-NL-AMS-012a10:b5c1::/32}
			PTR	`spamfilter1.site.eu`
		A	80.249.132.52^{🇳🇱 LEASEWEB-NL-AMS-0180.249.132.0/24}
			PTR	`spamfilter1.site.eu`
MX	`spamfilter2.site.eu`⁽⁴⁰⁾
		A	2a10:b5c1:242::1^{🇳🇱 LEASEWEB-NL-AMS-012a10:b5c1::/32}
			PTR	`spamfilter2.site.eu`
		A	80.249.132.53^{🇳🇱 LEASEWEB-NL-AMS-0180.249.132.0/24}
			PTR	`spamfilter2.site.eu`
TXT	`protonmail-verification=0db1b1ff24e70958e1b2aae76daade3f76a75379`
TXT	`v=spf1 include:_spf.protonmail.ch include:_spf.site.eu -all`
SOA	`ns1.site.eu`hostmaster@4strings.be 2026-07-09 #1

`be`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nsset.be` ⭐
	NS	`b.nsset.be`
	NS	`c.nsset.be`
	NS	`d.nsset.be`
	NS	`y.nsset.be`
	NS	`z.nsset.be`
	SOA	`a.nsset.be`be-hostmaster@dnsbelgium.be serial=1028253266

Subdomains

mail.4strings.be

Same first word

4strings.be

4strings.at

4strings.info

DNS History

17 records (10 active, 7 former)

○NSns03.2is.nl2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:12:18
○ 2026-05-18 08:35:12
○ 2026-07-14 00:50:36

○NSns04.2is.be2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:12:18
○ 2026-05-18 08:35:12
○ 2026-07-14 00:50:36

○NSns05.2is.nl2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:12:18
○ 2026-05-18 08:35:12
○ 2026-07-14 00:50:36

●NSns1.site.eu2026-05-18 → 2026-07-14 · 3 obs

○ 2018-06-28 22:12:18
● 2026-05-18 08:35:12
● 2026-07-14 00:50:36

●NSns2.site.nl2026-05-18 → 2026-07-14 · 3 obs

○ 2018-06-28 22:12:18
● 2026-05-18 08:35:12
● 2026-07-14 00:50:36

●NSns3.site.be2026-05-18 → 2026-07-14 · 3 obs

○ 2018-06-28 22:12:18
● 2026-05-18 08:35:12
● 2026-07-14 00:50:36

●NSns4.site.de2026-05-18 → 2026-07-14 · 3 obs

○ 2018-06-28 22:12:18
● 2026-05-18 08:35:12
● 2026-07-14 00:50:36

○MXfallbackmx.spamservice.nl2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:12:18
○ 2026-05-18 08:35:12
○ 2026-07-14 00:50:36

○MXlastmx.spamservice.nl2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:12:18
○ 2026-05-18 08:35:12
○ 2026-07-14 00:50:36

●MXmail.protonmail.ch2026-05-18 → 2026-07-14 · 3 obs

○ 2018-06-28 22:12:18
● 2026-05-18 08:35:12
● 2026-07-14 00:50:36

●MXmailsec.protonmail.ch2026-05-18 → 2026-07-14 · 3 obs

○ 2018-06-28 22:12:18
● 2026-05-18 08:35:12
● 2026-07-14 00:50:36

○MXmx.spamservice.nl2018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:12:18
○ 2026-05-18 08:35:12
○ 2026-07-14 00:50:36

●MXspamfilter1.site.eu2026-05-18 → 2026-07-14 · 3 obs

○ 2018-06-28 22:12:18
● 2026-05-18 08:35:12
● 2026-07-14 00:50:36

●MXspamfilter2.site.eu2026-05-18 → 2026-07-14 · 3 obs

○ 2018-06-28 22:12:18
● 2026-05-18 08:35:12
● 2026-07-14 00:50:36

●A103.149.169.1002026-05-18 → 2026-07-14 · 3 obs

○ 2018-06-28 22:12:18
● 2026-05-18 08:35:12
● 2026-07-14 00:50:36

●A2a10:b5c1:100::12026-05-18 → 2026-07-14 · 3 obs

○ 2018-06-28 22:12:18
● 2026-05-18 08:35:12
● 2026-07-14 00:50:36

○A62.221.204.1152018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 22:12:18
○ 2026-05-18 08:35:12
○ 2026-07-14 00:50:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
be	y.nsset.be, d.nsset.be, a.nsset.be, c.nsset.be...	-
4strings.be	ns3.site.be, ns4.site.de, ns1.site.eu, ns2.site.nl	2 records

✅ Authoritative Response

Server:5.161.43.255

NS records: ns3.site.be, ns4.site.de, ns1.site.eu, ns2.site.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1894ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.149.169.100`
AAAA	1	`2a10:b5c1:100::1`
NS	4	`ns4.site.de, ns2.site.nl...`
MX	4	`spamfilter2.site.eu (pri: 40), mail.protonmail.ch (pri: 10)...`
TXT	2	`v=spf1 include:_spf.protonmail.ch includ, protonmail-verification=0db1b1ff24e70958`
SOA	1	`ns1.site.eu hostmaster.4strings.be`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.site.be, ns3.site.be)

Analysis

Hierarchy

4strings.be is the parent zone for mail.4strings.be.

IP Addresses

4strings.be resolves to the IP addresses 103.149.169.100 and 2a10:b5c1:100::1

Additional host names — mail.myplayworld.nl, foto-buschatz.de, toronto.be and two others — share IP numbers with 4strings.be.

Name Servers

4strings.be has four authoritative name servers: ns3.site.be, ns4.site.de, ns1.site.eu and ns2.site.nl.

4strings.be partially shares its NS delegation with several other domains, including lolkama.com, desiraghosing.com, 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.1.1.0.1.c.5.b.0.1.a.2.ip6.arpa and two others.

ns3.site.be, ns4.site.de, ns1.site.eu and ns2.site.nl each carry two IP addresses. ns3.site.be has 5.161.43.255 and 2a01:4ff:f0:aff::1; ns4.site.de has 51.79.145.245 and 2402:1f00:8000:800::1e75; ns1.site.eu has 103.149.169.11 and 2a10:b5c1:11::1; ns2.site.nl has 142.132.183.194 and 2a01:4f8:1c17:d12d::1.

Mail Servers

4strings.be has four mail servers: mail.protonmail.ch, mailsec.protonmail.ch, spamfilter1.site.eu and spamfilter2.site.eu.

4strings.be shares mail servers — at least in part — with other domains, including disclose.ngo, davidkane.me, alemattec.com and two others.

Host names with three IP numbers:

The hostname mail.protonmail.ch directs to 176.119.200.128, 185.70.42.128 and 185.205.70.128.

The hostname mailsec.protonmail.ch directs to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

Host names with two IP numbers:

spamfilter1.site.eu directs traffic to 80.249.132.52 and 2a10:b5c1:241::1.

spamfilter2.site.eu directs traffic to 80.249.132.53 and 2a10:b5c1:242::1.