`rlsys.de`

DNSSEC	⚠️ Not signed
A	78.47.254.55^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
		PTR	`www419.your-server.de`
NS	`helium.ns.hetzner.de` ⭐
		A	2001:67c:192c::add:5^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`helium.ns.hetzner.de`
		A	193.47.99.5^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`helium.ns.hetzner.de`
NS	`hydrogen.ns.hetzner.com`
		A	2a01:4f8:0:1::add:1098^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`hydrogen.ns.hetzner.com`
		A	213.133.100.98^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`hydrogen.ns.hetzner.com`
NS	`oxygen.ns.hetzner.com`
		A	2a01:4f8:0:1::add:2992^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`oxygen.ns.hetzner.com`
		A	88.198.229.192^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`oxygen.ns.hetzner.com`
TXT	`v=spf1 -all`
SOA	`helium.ns.hetzner.de`dns@redlink.de 2026-03-16 #10

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1774692945

Subdomains

mail-app-mas-fsn.rlsys.de

Same first word

rlsys.tk

rlsys.org

Similar names

slyrs.com

srsly.in

lrsys.com.br

srsly.ca

lrsys.com

srsly.ch

srsly.wtf

srsly.net

slyrs.at

syrsl.com

sylrs.com

rlyss.com

srsly.org

sslry.fi

srsly.cool

yrlss.com

yrsls.cn

syslr.com

rssly.de

rssly.com

srsly.international

sylsr.com

sslry.com

srsly.co

srsly.ru

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
rlsys.de	hydrogen.ns.hetzner.com, helium.ns.hetzner.de, oxygen.ns.hetzner.com	-

✅ Authoritative Response

Server:193.47.99.5

NS records: hydrogen.ns.hetzner.com, helium.ns.hetzner.de, oxygen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rlsys.de (unsigned zone)

⏱️ Timing

Total: 941ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.47.254.55`
NS	3	`hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com...`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`helium.ns.hetzner.de dns.redlink.de`

Analysis

Hierarchy

rlsys.de is the parent of mail-app-mas-fsn.rlsys.de.

IP Addresses

rlsys.de resolves to a single IP: 78.47.254.55.

Other host names, for instance mail.dv.de, bornhorn.eu, www.redlink.de, mail.magecomm.com and www.diraction.nl share IP numbers with rlsys.de.

Name Servers

rlsys.de delegates to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

rlsys.de shares some name servers with other domains, for example batenglish.com, kgl-it.de, karlernesti.de, test-kaiser.de and hillerware.com.

These name servers are commonly used together with ns1.first-ns.de and ns1.your-server.de.

Host names with two IP numbers:

hydrogen.ns.hetzner.com: 2a01:4f8:0:1::add:1098 and 213.133.100.98

oxygen.ns.hetzner.com: 2a01:4f8:0:1::add:2992 and 88.198.229.192

helium.ns.hetzner.de: 2001:67c:192c::add:5 and 193.47.99.5

rlsys.de - robtex.com

rlsys.de

de