ustfa.de - dns.ninja

ustfa.de

DNSSEC⚠️ Not signed
A213.239.227.89🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRsigma.4system.de
NSns1.first-ns.de ⭐
A2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.first-ns.de
A213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
NSrobotns2.second-ns.de
A2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRrobotns2.second-ns.de
A213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
NSrobotns3.second-ns.com
A2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRrobotns3.second-ns.com
A193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24
MXmail.ustfa.de ⭐
A213.239.227.89🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRsigma.4system.de
TXTv=spf1 a mx ~all
SOAns1.first-ns.dedns@hetzner.com 2026-03-23 #0

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=1782834378

Subdomains

mail.ustfa.de

Same first word

ustfa.de

Similar names

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stauf.at
usatf.com
fusta.de
usfta.org
faust.de
tufas.at
stufa.it
usfat.com

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSns1.first-ns.derobotns2.second-ns.derobotns3.second-ns.comns19.schlund.dens20.schlund.deMXmail.ustfa.demx00.schlund.demx01.schlund.deA213.239.227.89217.160.231.24582.165.113.200
●NSns1.first-ns.de2026-02-17 → 2026-06-30 · 3 obs
○ 2017-03-19 12:45:46
● 2026-02-17 01:08:30
● 2026-06-30 16:03:36
○NSns19.schlund.de2015-07-24 → 2017-03-19 · 4 obs
● 2015-07-24 15:39:46
● 2017-03-19 12:45:46
○ 2026-02-17 01:08:30
○ 2026-06-30 16:03:36
○NSns20.schlund.de2015-07-24 → 2017-03-19 · 4 obs
● 2015-07-24 15:39:46
● 2017-03-19 12:45:46
○ 2026-02-17 01:08:30
○ 2026-06-30 16:03:36
●NSrobotns2.second-ns.de2026-02-17 → 2026-06-30 · 3 obs
○ 2017-03-19 12:45:46
● 2026-02-17 01:08:30
● 2026-06-30 16:03:36
●NSrobotns3.second-ns.com2026-02-17 → 2026-06-30 · 3 obs
○ 2017-03-19 12:45:46
● 2026-02-17 01:08:30
● 2026-06-30 16:03:36
●MXmail.ustfa.de2026-02-17 → 2026-06-30 · 3 obs
○ 2017-03-19 12:45:46
● 2026-02-17 01:08:30
● 2026-06-30 16:03:36
○MXmx00.schlund.de2015-07-24 → 2017-03-19 · 4 obs
● 2015-07-24 15:39:46
● 2017-03-19 12:45:46
○ 2026-02-17 01:08:30
○ 2026-06-30 16:03:36
○MXmx01.schlund.de2015-07-24 → 2017-03-19 · 4 obs
● 2015-07-24 15:39:46
● 2017-03-19 12:45:46
○ 2026-02-17 01:08:30
○ 2026-06-30 16:03:36
●A213.239.227.892026-02-17 → 2026-06-30 · 3 obs
○ 2017-03-19 12:45:46
● 2026-02-17 01:08:30
● 2026-06-30 16:03:36
○A217.160.231.2452016-07-18 → 2017-03-19 · 5 obs
○ 2016-03-18 12:42:58
● 2016-07-18 22:58:02
● 2017-03-19 12:45:46
○ 2026-02-17 01:08:30
○ 2026-06-30 16:03:36
○A82.165.113.2002015-07-24 → 2016-03-18 · 4 obs
● 2015-07-24 15:39:46
● 2016-03-18 12:42:58
○ 2016-07-18 22:58:02
○ 2026-06-30 16:03:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, z.nic.de, a.nic.de-
ustfa.derobotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de-

✅ Authoritative Response

Server:213.133.100.103

NS records: robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ustfa.de (unsigned zone)

⏱️ Timing

Total: 1119ms | Queries: -

📄 Records

TypeCountSample Data
A1213.239.227.89
NS3robotns2.second-ns.de, robotns3.second-ns.com...
MX1mail.ustfa.de (pri: 10)
TXT1v=spf1 a mx ~all
SOA1ns1.first-ns.de dns.hetzner.com

Analysis

Hierarchy

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

IP Addresses

ustfa.de points to a single IP number: 213.239.227.89.

Additional host names — mail.cxflyer.com, mail.backlinks-24.com, mail.fam-lenze.de and two others — share IP numbers with ustfa.de.

Name Servers

ustfa.de carries NS records delegating to robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

ustfa.de has at least partial name server overlap with other domains, such as schmerzfrei-kleve.de, notebook-hemer.de, jentzsch-tierarztpraxis.de and two others.

These name servers tend to appear together with the name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de are three hostnames that each resolve to a pair of IP addresses: robotns3.second-ns.com to 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de to 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.

Mail Servers

ustfa.de has one mail server: mail.ustfa.de.

mail.ustfa.de carries a single IP number, which is 213.239.227.89.