rf-system.de - dns.ninja

`rf-system.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::2eb^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-02eb.elastic-ssl.ui-r.com`
A	217.160.0.39^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1058.ui-dns.biz` ⭐
		A	2607:f1c0:fe:53:185:132:33:58^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1058.ui-dns.biz`
		A	185.132.33.58^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1058.ui-dns.biz`
NS	`ns1058.ui-dns.com`
		A	2607:f1c0:fe:53:185:132:34:58^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1058.ui-dns.com`
		A	185.132.34.58^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1058.ui-dns.com`
NS	`ns1058.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:58^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1058.ui-dns.de`
		A	185.132.32.58^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1058.ui-dns.de`
NS	`ns1058.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:58^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1058.ui-dns.org`
		A	185.132.35.58^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1058.ui-dns.org`
MX	`rfsystem-de0e.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca27::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::1^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::2^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
		A	52.101.168.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	52.101.170.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	52.101.170.1^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	52.101.170.2^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
TXT	`v=spf1 a mx ip4:94.140.18.128/26 include:spf.protection.outlook.com -all`
SOA	`ns1058.ui-dns.biz`hostmaster@1und1.com 2017-06-01 #15

`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=1786384256

Same first word

rf-system.de

rf-system.eu

rf-system.se

rf-system.net

Similar names

fr-system.web.id

fr-system.co.id

f-rsystem.co.jp

DNS History

22 records (7 active, 15 former)

○NSns-de.1and1-dns.biz2015-10-20 → 2017-12-07 · 5 obs

○ 2015-04-24 19:15:38
● 2015-10-20 09:49:58
● 2017-12-07 15:32:02
○ 2026-05-09 12:57:50
○ 2026-08-10 18:08:42

○NSns-de.1and1-dns.com2015-10-20 → 2017-12-07 · 5 obs

○ 2015-04-24 19:15:38
● 2015-10-20 09:49:58
● 2017-12-07 15:32:02
○ 2026-05-09 12:57:50
○ 2026-08-10 18:08:42

○NSns-de.1and1-dns.de2015-10-20 → 2017-12-07 · 5 obs

○ 2015-04-24 19:15:38
● 2015-10-20 09:49:58
● 2017-12-07 15:32:02
○ 2026-05-09 12:57:50
○ 2026-08-10 18:08:42

○NSns-de.1and1-dns.org2015-10-20 → 2017-12-07 · 5 obs

○ 2015-04-24 19:15:38
● 2015-10-20 09:49:58
● 2017-12-07 15:32:02
○ 2026-05-09 12:57:50
○ 2026-08-10 18:08:42

●NSns1058.ui-dns.biz2026-05-09 → 2026-08-10 · 3 obs

○ 2017-12-07 15:32:02
● 2026-05-09 12:57:50
● 2026-08-10 18:08:42

●NSns1058.ui-dns.com2026-05-09 → 2026-08-10 · 3 obs

○ 2017-12-07 15:32:02
● 2026-05-09 12:57:50
● 2026-08-10 18:08:42

●NSns1058.ui-dns.de2026-05-09 → 2026-08-10 · 3 obs

○ 2017-12-07 15:32:02
● 2026-05-09 12:57:50
● 2026-08-10 18:08:42

●NSns1058.ui-dns.org2026-05-09 → 2026-08-10 · 3 obs

○ 2017-12-07 15:32:02
● 2026-05-09 12:57:50
● 2026-08-10 18:08:42

○NSns65.1und1.de2015-04-24 → 2015-04-24 · 3 obs

● 2015-04-24 19:15:38
○ 2015-10-20 09:49:58
○ 2026-08-10 18:08:42

○NSns66.1und1.de2015-04-24 → 2015-04-24 · 3 obs

● 2015-04-24 19:15:38
○ 2015-10-20 09:49:58
○ 2026-08-10 18:08:42

○MXmail.tlt-stl.com2015-10-20 → 2017-12-07 · 5 obs

○ 2015-04-24 19:15:38
● 2015-10-20 09:49:58
● 2017-12-07 15:32:02
○ 2026-05-09 12:57:50
○ 2026-08-10 18:08:42

○MXmx00.kundenserver.de2015-04-24 → 2017-12-07 · 4 obs

● 2015-04-24 19:15:38
● 2017-12-07 15:32:02
○ 2026-05-09 12:57:50
○ 2026-08-10 18:08:42

○MXmx01.kundenserver.de2015-04-24 → 2017-12-07 · 4 obs

● 2015-04-24 19:15:38
● 2017-12-07 15:32:02
○ 2026-05-09 12:57:50
○ 2026-08-10 18:08:42

○MXpost.trans-logo-tech.de2015-10-20 → 2017-12-07 · 5 obs

○ 2015-04-24 19:15:38
● 2015-10-20 09:49:58
● 2017-12-07 15:32:02
○ 2026-05-09 12:57:50
○ 2026-08-10 18:08:42

●MXrfsystem-de0e.mail.protection.outlook.com2015-04-24 → 2026-08-10 · 5 obs

● 2015-04-24 19:15:38
○ 2015-10-20 09:49:58
○ 2017-12-07 15:32:02
● 2026-05-09 12:57:50
● 2026-08-10 18:08:42

○A2001:8d8:1001:506e:139b:8053:184d:f8072016-11-29 → 2017-12-07 · 5 obs

○ 2016-04-15 11:12:12
● 2016-11-29 08:12:18
● 2017-12-07 15:32:02
○ 2026-05-09 12:57:50
○ 2026-08-10 18:08:42

○A2001:8d8:1001:506e:c881:14b4:f493:8262015-10-20 → 2016-04-15 · 5 obs

○ 2015-04-24 19:15:38
● 2015-10-20 09:49:58
● 2016-04-15 11:12:12
○ 2016-11-29 08:12:18
○ 2026-08-10 18:08:42

●A2001:8d8:100f:f000::2eb2026-05-09 → 2026-08-10 · 3 obs

○ 2017-12-07 15:32:02
● 2026-05-09 12:57:50
● 2026-08-10 18:08:42

●A217.160.0.392026-05-09 → 2026-08-10 · 3 obs

○ 2017-12-07 15:32:02
● 2026-05-09 12:57:50
● 2026-08-10 18:08:42

○A217.160.122.2292016-11-29 → 2017-12-07 · 5 obs

○ 2016-04-15 11:12:12
● 2016-11-29 08:12:18
● 2017-12-07 15:32:02
○ 2026-05-09 12:57:50
○ 2026-08-10 18:08:42

○A217.160.222.472015-10-20 → 2016-04-15 · 5 obs

○ 2015-04-24 19:15:38
● 2015-10-20 09:49:58
● 2016-04-15 11:12:12
○ 2016-11-29 08:12:18
○ 2026-08-10 18:08:42

○A82.165.75.1802015-04-24 → 2015-04-24 · 3 obs

● 2015-04-24 19:15:38
○ 2015-10-20 09:49:58
○ 2026-08-10 18:08:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
rf-system.de	ns1058.ui-dns.org, ns1058.ui-dns.com, ns1058.ui-dns.de, ns1058.ui-dns.biz	-

✅ Authoritative Response

Server:185.132.35.58

NS records: ns1058.ui-dns.org, ns1058.ui-dns.com, ns1058.ui-dns.de, ns1058.ui-dns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rf-system.de (unsigned zone)

⏱️ Timing

Total: 816ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.39`
AAAA	1	`2001:8d8:100f:f000::2eb`
NS	4	`ns1058.ui-dns.org, ns1058.ui-dns.de...`
MX	1	`rfsystem-de0e.mail.protection.outlook.co`
TXT	1	`v=spf1 a mx ip4:94.140.18.128/26 include`
SOA	1	`ns1058.ui-dns.biz hostmaster.1und1.com`

Analysis

IP Addresses

rf-system.de directs to two IP numbers, 217.160.0.39 and 2001:8d8:100f:f000::2eb

Among the host names that share IP numbers with rf-system.de are daniel-braeg.de, neuemedienagentur.de, maline-huete.de and two others.

Name Servers

The domain rf-system.de is delegated to these four name servers: ns1058.ui-dns.biz, ns1058.ui-dns.com, ns1058.ui-dns.de and ns1058.ui-dns.org.

rf-system.de partially shares its NS delegation with several other domains, including dddd.be, theobs.co.uk, stefanwagnersoftware.de and two others.

In DNS configurations, these name servers often share authority with ns1067.ui-dns.com, ns1092.ui-dns.de, ns1100.ui-dns.org and 3 other name servers.

ns1058.ui-dns.biz, ns1058.ui-dns.com, ns1058.ui-dns.de and ns1058.ui-dns.org each carry two IP addresses. ns1058.ui-dns.biz has 185.132.33.58 and 2607:f1c0:fe:53:185:132:33:58; ns1058.ui-dns.com has 185.132.34.58 and 2607:f1c0:fe:53:185:132:34:58; ns1058.ui-dns.de has 185.132.32.58 and 2607:f1c0:fe:53:185:132:32:58; ns1058.ui-dns.org has 185.132.35.58 and 2607:f1c0:fe:53:185:132:35:58.

Mail Servers

rf-system.de routes its mail through a single mail server, rfsystem-de0e.mail.protection.outlook.com.

rfsystem-de0e.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.168.0, 52.101.170.0 and 52.101.170.1, along with 5 other.