rssys.de - dns.ninja

`rssys.de`

DNSSEC	⚠️ Not signed
A	178.254.7.31^{🇩🇪 EVANZOAS178.254.0.0/19 DE-EVANZO-MK}
		PTR	`mv2018.1blu.de`
NS	`ns01.1blu.de` ⭐
		A	87.238.195.66^{🇩🇪 EVANZOAS87.238.192.0/21 DE-EVANZO-MK}
NS	`ns02.1blu.de`
		A	178.254.5.130^{🇩🇪 EVANZOAS178.254.0.0/19 DE-EVANZO-MK}
MX	`rssys-de.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`MS=92FC171B8EE6B159667407B02D4D68F4C5411F02`
TXT	`google-site-verification=Yo6AW273K4Pux7-EYfJHW3o7XkXsuypBBQfuqGWSubM`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns01.1blu.de`hostmaster@1blu.de 2026-05-04 #1

`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=1786235490

Subdomains

mail.rssys.de

Same first word

rssys.com

rssys.de

rssys.net

Similar names

rsyss.com

sysrs.com

sysrs.com.br

yssrs.com

srsys.com

sssry.fi

ysrss.com

ysssr.com

srsys.jp

sryss.org.au

DNS History

9 records (4 active, 5 former)

●NSns01.1blu.de2026-04-18 → 2026-08-09 · 3 obs

○ 2019-04-04 04:25:20
● 2026-04-18 20:08:44
● 2026-08-09 00:45:08

●NSns02.1blu.de2026-04-18 → 2026-08-09 · 3 obs

○ 2019-04-04 04:25:20
● 2026-04-18 20:08:44
● 2026-08-09 00:45:08

○NSns4.provimedia.de2015-06-30 → 2019-04-04 · 4 obs

● 2015-06-30 12:24:48
● 2019-04-04 04:25:20
○ 2026-04-18 20:08:44
○ 2026-08-09 00:45:08

○NSns5.provimedia.de2015-06-30 → 2019-04-04 · 4 obs

● 2015-06-30 12:24:48
● 2019-04-04 04:25:20
○ 2026-04-18 20:08:44
○ 2026-08-09 00:45:08

○NSns6.provimedia.de2015-06-30 → 2019-04-04 · 4 obs

● 2015-06-30 12:24:48
● 2019-04-04 04:25:20
○ 2026-04-18 20:08:44
○ 2026-08-09 00:45:08

○MXmail.rssys.de2015-06-30 → 2019-04-04 · 4 obs

● 2015-06-30 12:24:48
● 2019-04-04 04:25:20
○ 2026-04-18 20:08:44
○ 2026-08-09 00:45:08

●MXrssys-de.mail.protection.outlook.com2026-04-18 → 2026-08-09 · 3 obs

○ 2019-04-04 04:25:20
● 2026-04-18 20:08:44
● 2026-08-09 00:45:08

○A178.254.62.152015-06-30 → 2019-04-04 · 4 obs

● 2015-06-30 12:24:48
● 2019-04-04 04:25:20
○ 2026-04-18 20:08:44
○ 2026-08-09 00:45:08

●A178.254.7.312026-04-18 → 2026-08-09 · 3 obs

○ 2019-04-04 04:25:20
● 2026-04-18 20:08:44
● 2026-08-09 00:45:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
rssys.de	ns01.1blu.de, ns02.1blu.de	-

✅ Authoritative Response

Server:87.238.195.66

NS records: ns01.1blu.de, ns02.1blu.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rssys.de (unsigned zone)

⏱️ Timing

Total: 1049ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.254.7.31`
NS	2	`ns02.1blu.de, ns01.1blu.de`
MX	1	`rssys-de.mail.protection.outlook.com (pr`
TXT	3	`MS=92FC171B8EE6B159667407B02D4D68F4C5411, google-site-verification=Yo6AW273K4Pux7-...`
SOA	1	`ns01.1blu.de hostmaster.1blu.de`

Analysis

Hierarchy

rssys.de serves as the parent of mail.rssys.de.

IP Addresses

rssys.de resolves to just one IP address, 178.254.7.31.

Additional host names — including rueckenlehne.de and mv2018.1blu.de — share IP numbers with rssys.de.

Name Servers

rssys.de has two authoritative name servers — ns01.1blu.de and ns02.1blu.de.

rssys.de shares its NS records with other domains, for example bn-online.de, 15stocks.com, dogshop.biz and two others.

ns01.1blu.de directs to 87.238.195.66 and ns02.1blu.de directs to 178.254.5.130; each host name points to exactly one IP number.

Mail Servers

The sole mail server for rssys.de is rssys-de.mail.protection.outlook.com.

With 8 IP addresses total, rssys-de.mail.protection.outlook.com resolves to 52.101.68.16, 52.101.73.4, 52.101.73.8 and 5 others.