4fn.de - robtex.com

4fn.de

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
A217.160.0.206🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1097.ui-dns.de ⭐
A2607:f1c0:fe:53:185:132:32:97🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1097.ui-dns.de
A217.160.80.97🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1097.ui-dns.de
NSns1028.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:511c:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1028.ui-dns.biz
A217.160.81.28🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1028.ui-dns.biz
NSns1041.ui-dns.org
A2001:8d8:fe:53:0:d9a0:5329:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1041.ui-dns.org
A217.160.83.41🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1041.ui-dns.org
NSns1057.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5239:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1057.ui-dns.com
A217.160.82.57🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1057.ui-dns.com
MXmxext1.mailbox.org ⭐
A2001:67c:2050:104:0:1:25:1🇩🇪 HPLS-AS2001:67c:2050::/48
PTRmx1.mailbox.org
A80.241.60.212🇩🇪 HPLS-AS80.241.60.0/24
PTRmx1.mailbox.org
MXmxext2.mailbox.org ⭐
A2001:67c:2050:104:0:2:25:1🇩🇪 HPLS-AS2001:67c:2050::/48
PTRmx2.mailbox.org
A80.241.60.215🇩🇪 HPLS-AS80.241.60.0/24
PTRmx2.mailbox.org
MXmxext3.mailbox.org(20)
A2001:67c:2050:104:0:3:25:1🇩🇪 HPLS-AS2001:67c:2050::/48
PTRmx3.mailbox.org
A80.241.60.216🇩🇪 HPLS-AS80.241.60.0/24
PTRmx3.mailbox.org
TXTv=spf1 include:mailbox.org ~all
SOAns1097.ui-dns.dehostmaster@1und1.com 2017-06-01 #77

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=1771291602

Same first word

4fn.de
4fn.org
4fn.net
4fn.com

Similar names

f4n.nl
f4n.org
fn4.mobi
fn4.com.br
n4f.akamaiedge-staging.net
nf4.com
f4n.ca
f4n.de
f4n.ru
f4n.net
n4f.no
n4f.akamai.net
n4f.akamaiedge.net
4nf.org
4nf.de
fn4.de
fn4.com
nf4.de
4nf.net
n4f.de
nf4.net

DNS History

15 records (9 active, 6 former)

20162017201820192020202120222023202420252026NSns1028.ui-dns.bizns1041.ui-dns.orgns1057.ui-dns.comns1097.ui-dns.dens65.1und1.dens66.1und1.deMXmxext1.mailbox.orgmxext2.mailbox.orgmxext3.mailbox.orgmx00.kundenserver.demx01.kundenserver.deA2001:8d8:100f:f000::200217.160.0.206195.20.254.62217.160.0.227
●NSns1028.ui-dns.biz2026-03-10 → 2026-03-10 · 3 obs
○ 2017-07-03 17:09:02
● 2026-03-10 19:38:18
● 2026-03-10 19:38:20
●NSns1041.ui-dns.org2026-03-10 → 2026-03-10 · 3 obs
○ 2017-07-03 17:09:02
● 2026-03-10 19:38:18
● 2026-03-10 19:38:20
●NSns1057.ui-dns.com2026-03-10 → 2026-03-10 · 3 obs
○ 2017-07-03 17:09:02
● 2026-03-10 19:38:18
● 2026-03-10 19:38:20
●NSns1097.ui-dns.de2026-03-10 → 2026-03-10 · 3 obs
○ 2017-07-03 17:09:02
● 2026-03-10 19:38:18
● 2026-03-10 19:38:20
○NSns65.1und1.de2015-08-05 → 2017-07-03 · 4 obs
● 2015-08-05 15:10:36
● 2017-07-03 17:09:02
○ 2026-03-10 19:38:18
○ 2026-03-10 19:38:20
○NSns66.1und1.de2015-08-05 → 2017-07-03 · 4 obs
● 2015-08-05 15:10:36
● 2017-07-03 17:09:02
○ 2026-03-10 19:38:18
○ 2026-03-10 19:38:20
○MXmx00.kundenserver.de2015-08-05 → 2017-07-03 · 4 obs
● 2015-08-05 15:10:36
● 2017-07-03 17:09:02
○ 2026-03-10 19:38:18
○ 2026-03-10 19:38:20
○MXmx01.kundenserver.de2015-08-05 → 2017-07-03 · 4 obs
● 2015-08-05 15:10:36
● 2017-07-03 17:09:02
○ 2026-03-10 19:38:18
○ 2026-03-10 19:38:20
●MXmxext1.mailbox.org2026-03-10 → 2026-03-10 · 3 obs
○ 2017-07-03 17:09:02
● 2026-03-10 19:38:18
● 2026-03-10 19:38:20
●MXmxext2.mailbox.org2026-03-10 → 2026-03-10 · 3 obs
○ 2017-07-03 17:09:02
● 2026-03-10 19:38:18
● 2026-03-10 19:38:20
●MXmxext3.mailbox.org2026-03-10 → 2026-03-10 · 3 obs
○ 2017-07-03 17:09:02
● 2026-03-10 19:38:18
● 2026-03-10 19:38:20
○A195.20.254.622015-08-05 → 2016-04-10 · 4 obs
● 2015-08-05 15:10:36
● 2016-04-10 17:02:54
○ 2016-12-07 03:53:32
○ 2026-03-10 19:38:20
●A2001:8d8:100f:f000::2002026-03-10 → 2026-03-10 · 3 obs
○ 2017-07-03 17:09:02
● 2026-03-10 19:38:18
● 2026-03-10 19:38:20
●A217.160.0.2062026-03-10 → 2026-03-10 · 3 obs
○ 2017-07-03 17:09:02
● 2026-03-10 19:38:18
● 2026-03-10 19:38:20
○A217.160.0.2272016-12-07 → 2017-07-03 · 5 obs
○ 2016-04-10 17:02:54
● 2016-12-07 03:53:32
● 2017-07-03 17:09:02
○ 2026-03-10 19:38:18
○ 2026-03-10 19:38:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
4fn.dens1057.ui-dns.com, ns1041.ui-dns.org, ns1028.ui-dns.biz, ns1097.ui-dns.de-

✅ Authoritative Response

Server: 217.160.83.41

NS records: ns1057.ui-dns.com, ns1041.ui-dns.org, ns1028.ui-dns.biz, ns1097.ui-dns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4fn.de (unsigned zone)

⏱️ Timing

Total: 1553ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.206
AAAA12001:8d8:100f:f000::200
NS4ns1028.ui-dns.biz, ns1041.ui-dns.org...
MX3mxext2.mailbox.org (pri: 10), mxext1.mailbox.org (pri: 10)...
TXT1v=spf1 include:mailbox.org ~all
SOA1ns1097.ui-dns.de hostmaster.1und1.com

Analysis

IP Addresses

4fn.de points to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.206.

Other host names, for instance psbiomarkerservices.net, fitnessinfo.de, goteo.com, top-euro-shop.de and chimenea-bioetanol.es share IP numbers with 4fn.de.

Name Servers

4fn.de is delegated to four name servers: ns1028.ui-dns.biz, ns1057.ui-dns.com, ns1097.ui-dns.de and ns1041.ui-dns.org.

4fn.de shares name servers with other domains at least partially, for instance flegl.de, b-wolff.de, pcpinpoint.com, baader.net and lasterrazastazones.com.

these name servers are commonly used with the name servers ns1041.ui-dns.biz, ns1041.ui-dns.com, ns1041.ui-dns.de, ns1028.ui-dns.com, ns1028.ui-dns.de, ns1028.ui-dns.org, ns1097.ui-dns.biz, ns1097.ui-dns.org, ns1097.ui-dns.com and ns1057.ui-dns.biz.

Host names with two IP numbers:

ns1028.ui-dns.biz resolves to 2001:8d8:fe:53:0:d9a0:511c:100 and 217.160.81.28.

ns1057.ui-dns.com resolves to 2001:8d8:fe:53:0:d9a0:5239:100 and 217.160.82.57.

ns1097.ui-dns.de resolves to 2607:f1c0:fe:53:185:132:32:97 and 217.160.80.97.

ns1041.ui-dns.org resolves to 2001:8d8:fe:53:0:d9a0:5329:100 and 217.160.83.41.

Mail Servers

4fn.de is handled by three mail servers: mxext1.mailbox.org, mxext2.mailbox.org and mxext3.mailbox.org.

4fn.de shares some mail servers with other domains, including maximilian-eilert.de, justlistentothis.net, pbu-cad.de, teezeh.de and casey.digital.

Host names with two IP numbers:

mxext1.mailbox.org points to 2001:67c:2050:104:0:1:25:1 and 80.241.60.212

mxext2.mailbox.org points to 2001:67c:2050:104:0:2:25:1 and 80.241.60.215

mxext3.mailbox.org points to 2001:67c:2050:104:0:3:25:1 and 80.241.60.216