rtfc.de - dns.ninja

rtfc.de

DNSSEC⚠️ Not signed
A217.160.0.149🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
PTR217-160-0-149.elastic-ssl.ui-r.com
NSns1111.ui-dns.com ⭐
A2607:f1c0:fe:53:185:132:34:111🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1111.ui-dns.com
A185.132.34.111🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1111.ui-dns.com
NSns1111.ui-dns.biz
A2607:f1c0:fe:53:185:132:33:111🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1111.ui-dns.biz
A185.132.33.111🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1111.ui-dns.biz
NSns1111.ui-dns.de
A2607:f1c0:fe:53:185:132:32:111🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1111.ui-dns.de
A185.132.32.111🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1111.ui-dns.de
NSns1111.ui-dns.org
A2607:f1c0:fe:53:185:132:35:111🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1111.ui-dns.org
A185.132.35.111🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1111.ui-dns.org
MXmx00.ionos.de ⭐
A212.227.15.41🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
A212.227.15.171🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.ionos.de ⭐
A212.227.15.188🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx01.kundenserver.de
A217.72.192.67🇩🇪 IONOS-AS217.72.192.0/20 Web.de
PTRmx01.kundenserver.de
TXTv=spf1 include:_spf-eu.ionos.com ~all
SOAns1111.ui-dns.comhostmaster@1und1.de 2016-04-30 #22

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1785116964
WOT: SAFE (71/100)

Same first word

rtfc.co.uk
rtfc.eu
rtfc.com
rtfc.coop
rtfc.net
rtfc.de
rtfc.org
rtfc.org.uk
rtfc.ca

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DNS History

13 records (7 active, 6 former)

200920112013201520172019202120232025NSns1111.ui-dns.bizns1111.ui-dns.comns1111.ui-dns.dens1111.ui-dns.orgns55.1und1.dens56.1und1.deMXmx00.ionos.demx01.ionos.demx00.kundenserver.demx01.kundenserver.deA217.160.0.149217.160.223.20587.106.115.98
●NSns1111.ui-dns.biz2026-02-24 → 2026-07-27 · 3 obs
○ 2018-09-09 20:47:34
● 2026-02-24 15:58:32
● 2026-07-27 01:50:02
●NSns1111.ui-dns.com2026-02-24 → 2026-07-27 · 3 obs
○ 2018-09-09 20:47:34
● 2026-02-24 15:58:32
● 2026-07-27 01:50:02
●NSns1111.ui-dns.de2026-02-24 → 2026-07-27 · 3 obs
○ 2018-09-09 20:47:34
● 2026-02-24 15:58:32
● 2026-07-27 01:50:02
●NSns1111.ui-dns.org2026-02-24 → 2026-07-27 · 3 obs
○ 2018-09-09 20:47:34
● 2026-02-24 15:58:32
● 2026-07-27 01:50:02
○NSns55.1und1.de2008-11-26 → 2018-09-09 · 4 obs
● 2008-11-26 14:58:08
● 2018-09-09 20:47:34
○ 2026-02-24 15:58:32
○ 2026-07-27 01:50:02
○NSns56.1und1.de2008-11-26 → 2018-09-09 · 4 obs
● 2008-11-26 14:58:08
● 2018-09-09 20:47:34
○ 2026-02-24 15:58:32
○ 2026-07-27 01:50:02
●MXmx00.ionos.de2026-02-24 → 2026-07-27 · 3 obs
○ 2018-09-09 20:47:34
● 2026-02-24 15:58:32
● 2026-07-27 01:50:02
○MXmx00.kundenserver.de2008-11-26 → 2018-09-09 · 4 obs
● 2008-11-26 14:58:08
● 2018-09-09 20:47:34
○ 2026-02-24 15:58:32
○ 2026-07-27 01:50:02
●MXmx01.ionos.de2026-02-24 → 2026-07-27 · 3 obs
○ 2018-09-09 20:47:34
● 2026-02-24 15:58:32
● 2026-07-27 01:50:02
○MXmx01.kundenserver.de2008-11-26 → 2018-09-09 · 4 obs
● 2008-11-26 14:58:08
● 2018-09-09 20:47:34
○ 2026-02-24 15:58:32
○ 2026-07-27 01:50:02
●A217.160.0.1492026-02-24 → 2026-07-27 · 3 obs
○ 2018-09-09 20:47:34
● 2026-02-24 15:58:32
● 2026-07-27 01:50:02
○A217.160.223.2052017-02-08 → 2018-09-09 · 5 obs
○ 2016-04-27 20:03:34
● 2017-02-08 08:18:10
● 2018-09-09 20:47:34
○ 2026-02-24 15:58:32
○ 2026-07-27 01:50:02
○A87.106.115.982008-11-26 → 2016-04-27 · 4 obs
● 2008-11-26 14:58:08
● 2016-04-27 20:03:34
○ 2017-02-08 08:18:10
○ 2026-07-27 01:50:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
rtfc.dens1111.ui-dns.org, ns1111.ui-dns.de, ns1111.ui-dns.biz, ns1111.ui-dns.com-

✅ Authoritative Response

Server:185.132.35.111

NS records: ns1111.ui-dns.org, ns1111.ui-dns.de, ns1111.ui-dns.biz, ns1111.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtfc.de (unsigned zone)

⏱️ Timing

Total: 1084ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.149
NS4ns1111.ui-dns.de, ns1111.ui-dns.org...
MX2mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)
TXT1v=spf1 include:_spf-eu.ionos.com ~all
SOA1ns1111.ui-dns.com hostmaster.1und1.de

Analysis

IP Addresses

rtfc.de resolves to just one IP address, 217.160.0.149.

Two other host names, along with isp-schaum.de, britisharmyancestors.co.uk and duesterbar.de, also share IP numbers with rtfc.de.

Name Servers

The NS records for rtfc.de point to four name servers: ns1111.ui-dns.biz, ns1111.ui-dns.com, ns1111.ui-dns.de and ns1111.ui-dns.org.

rtfc.de shares at least some of its name servers with other domains, including fpc-services.com, turbochef.de, (0x616e616c)ysentechnik.net and two others.

These name servers are frequently seen alongside ns1115.ui-dns.de, ns1077.ui-dns.org, ns1073.ui-dns.biz and 3 other name servers.

The host names ns1111.ui-dns.biz, ns1111.ui-dns.com, ns1111.ui-dns.de and ns1111.ui-dns.org each resolve to two IP addresses: ns1111.ui-dns.biz resolves to 185.132.33.111 and 2607:f1c0:fe:53:185:132:33:111; ns1111.ui-dns.com resolves to 185.132.34.111 and 2607:f1c0:fe:53:185:132:34:111; ns1111.ui-dns.de resolves to 185.132.32.111 and 2607:f1c0:fe:53:185:132:32:111; ns1111.ui-dns.org resolves to 185.132.35.111 and 2607:f1c0:fe:53:185:132:35:111.

Mail Servers

rtfc.de is served by two mail servers, mx00.ionos.de and mx01.ionos.de.

Among the domains sharing a mail server setup with rtfc.de are tauchcenter-freiburg.de, paula-andrei-showband.de, strauss-baumaschinen.eu and two others.

rtfc.de shares at least some of its mail servers with other domains, such as abzugshauben-filter.de.

mx00.ionos.de resolves to 212.227.15.41 and 212.227.15.171. Likewise, mx01.ionos.de resolves to 212.227.15.188 and 217.72.192.67 — two IP addresses apiece.