🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`flutter-explained.dev`

DNSSEC	⚠️ Not signed
A	199.36.158.100^{🇺🇸 Fastly199.36.158.0/24 Google}
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	`www442.your-server.de` ⭐
		A	2a01:4f8:d0a:6493::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`www442.your-server.de`
		A	78.47.106.34^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`www442.your-server.de`
TXT	`v=spf1 a mx ~all`
TXT	`google-site-verification=JiI3tH2ZwLSVe6zddSUvaR3bLfx2VeqwS3h_np5Or4M`
TXT	`hosting-site=portfolio-b170e`
SOA	`ns1.your-server.de`postmaster@your-server.de 2026-08-30 #0

`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

flutter-explained.dev

Previous names

fluidsearch.dev

fluidtales.dev

fluidtoons.dev

fluister.dev

fluix.dev

flujotv.dev

fluka.dev

fluks.dev

fluky.dev

flunk.dev

fluoride.dev

flur.dev

fluro.dev

fluster.dev

fluted.dev

flutelabs.dev

fluteofthesoul.dev

flutes.dev

flutter-chat.dev

flutter.dev

Next names

DNS History

5 records (5 active, 0 former)

●NSns.second-ns.com2026-08-21 → 2026-08-30 · 2 obs

● 2026-08-21 00:06:58
● 2026-08-30 15:43:12

●NSns1.your-server.de2026-08-21 → 2026-08-30 · 2 obs

● 2026-08-21 00:06:58
● 2026-08-30 15:43:12

●NSns3.second-ns.de2026-08-21 → 2026-08-30 · 2 obs

● 2026-08-21 00:06:58
● 2026-08-30 15:43:12

●MXwww442.your-server.de2026-08-21 → 2026-08-30 · 2 obs

● 2026-08-21 00:06:58
● 2026-08-30 15:43:12

●A199.36.158.1002026-08-21 → 2026-08-30 · 2 obs

● 2026-08-21 00:06:58
● 2026-08-30 15:43:12

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:213.239.204.242

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flutter-explained.dev (unsigned zone)

⏱️ Timing

Total: 975ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.36.158.100`
NS	3	`ns3.second-ns.de, ns.second-ns.com...`
MX	1	`www442.your-server.de (pri: 10)`
TXT	3	`v=spf1 a mx ~all, google-site-verification=JiI3tH2ZwLSVe6z...`
SOA	1	`ns1.your-server.de postmaster.your-serve`

Analysis

IP Addresses

flutter-explained.dev directs to one IP number, which is 199.36.158.100.

Among the host names that share IP numbers with flutter-explained.dev are traidingchem.com, edwardlannon.com, berittbuch.de and two others.

Name Servers

flutter-explained.dev carries NS records delegating to ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

flutter-explained.dev shares at least some of its name servers with other domains, including lexcrm.de, kaiko.berlin, 4.1.0.0.1.f.f.f.8.f.4.0.1.0.a.2.ip6.arpa and two others.

ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de are three hostnames that each resolve to a pair of IP addresses: ns.second-ns.com to 213.239.204.242 and 2a01:4f8:0:a101::b:1, ns3.second-ns.de to 193.47.99.4 and 2001:67c:192c::add:b3, and ns1.your-server.de to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.

Mail Servers

flutter-explained.dev routes its mail through a single mail server, www442.your-server.de.

flutter-explained.dev has the same mail server arrangement as a number of other domains, for example christushoofdkwartier.nl, vincentbrunner.de, is-komplett.de and two more.

flutter-explained.dev shares at least some of its mail servers with other domains — for example immopartner.at, afilmacity.com, schultag.com and two more.

www442.your-server.de points to two IP addresses: 78.47.106.34 and 2a01:4f8:d0a:6493::2.

flutter-explained.dev - robtex.com