4ero.dev - dns.ninja

`4ero.dev`

DNSSEC	⚠️ Not signed
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
MX	`www4.your-server.de` ⭐
		A	2a01:4f8:d0a:27bd::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`www4.your-server.de`
		A	88.198.219.246^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`www4.your-server.de`
TXT	`v=spf1 +a +mx ?all`
SOA	`ns1.your-server.de`postmaster@your-server.de 2026-02-19 #5

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

4ero.de

4ero.dev

4ero.com

Similar names

4reo.com

ero4.com

roe4.org

e4or.com

ero4.ch

e4ro.com

4ore.nl

4ore.com

DNS History

6 records (4 active, 2 former)

●NSns.second-ns.com2026-02-18 → 2026-08-08 · 2 obs

● 2026-02-18 10:10:58
● 2026-08-08 05:03:54

●NSns1.your-server.de2026-02-18 → 2026-08-08 · 2 obs

● 2026-02-18 10:10:58
● 2026-08-08 05:03:54

●NSns3.second-ns.de2026-02-18 → 2026-08-08 · 2 obs

● 2026-02-18 10:10:58
● 2026-08-08 05:03:54

●MXwww4.your-server.de2026-02-18 → 2026-08-08 · 3 obs

○ 2017-09-17 14:26:00
● 2026-02-18 10:10:58
● 2026-08-08 05:03:54

○MXyour-dns-needs-immediate-attention.dev2016-10-02 → 2017-09-17 · 4 obs

● 2016-10-02 11:26:32
● 2017-09-17 14:26:00
○ 2026-02-18 10:10:58
○ 2026-08-08 05:03:54

○A127.0.53.532016-10-02 → 2017-09-17 · 4 obs

● 2016-10-02 11:26:32
● 2017-09-17 14:26:00
○ 2026-02-18 10:10:58
○ 2026-08-08 05:03:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
4ero.dev	ns.second-ns.com, ns3.second-ns.de, ns1.your-server.de	-

✅ Authoritative Response

Server:213.133.100.102

NS records: ns.second-ns.com, ns3.second-ns.de, ns1.your-server.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4ero.dev (unsigned zone)

⏱️ Timing

Total: 2539ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.your-server.de, ns3.second-ns.de...`
MX	1	`www4.your-server.de (pri: 10)`
TXT	1	`v=spf1 +a +mx ?all`
SOA	1	`ns1.your-server.de postmaster.your-serve`

Analysis

Name Servers

4ero.dev has three name servers — ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

4ero.dev shares at least some of its name servers with other domains, including soahc.de, c.b.0.5.0.1.1.0.8.f.4.0.1.0.a.2.ip6.arpa, florando.com and two others.

Each of ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de points to two IP numbers. ns.second-ns.com points to 213.239.204.242 and 2a01:4f8:0:a101::b:1. ns3.second-ns.de points to 193.47.99.4 and 2001:67c:192c::add:b3. ns1.your-server.de points to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.

Mail Servers

4ero.dev has one mail server: www4.your-server.de.

4ero.dev shares the same mail server setup as other domains, including wustenquell.com, noescapes.eu, apocan.net and two others.

4ero.dev shares at least some of its mail servers with other domains, such as sis-health.com.

www4.your-server.de points to two IP addresses: 88.198.219.246 and 2a01:4f8:d0a:27bd::2.