qualifiber.de - robtex.com

qualifiber.de

DNSSEC⚠️ Not signed
A136.243.160.8🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3
PTRdedi4722.your-server.de
NSns1.your-server.de ⭐
A2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.your-server.de
A213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRns1.your-server.de
NSns.second-ns.com
A2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns.second-ns.com
A213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns.second-ns.com
NSns3.second-ns.de
A2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRns3.second-ns.de
A193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRns3.second-ns.de
MXqualifiber-de.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::c🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca04::10🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-dbapr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::7🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A2a01:111:f403:ca09::d🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A52.101.68.5🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-du2pr03cu00105.inbound.protection.outlook.com
A52.101.68.32🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db3pr0202cu00200.inbound.protection.outlook.com
A52.101.73.15🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A52.101.73.26🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr05cu01302.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTMS=ms49871501
SOAns1.your-server.depostmaster@your-server.de 2025-12-11 #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=1773553752

Same first word

qualifiber.de

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSns.second-ns.comns1.your-server.dens3.second-ns.densa0.schlundtech.densb0.schlundtech.densc0.schlundtech.densd0.schlundtech.deMXqualifiber-de.mail.protection.outlook.commail.qualifiber.desms03.k1net.desms04.k1net.deA136.243.160.885.214.223.141
●NSns.second-ns.com2020-02-27 → 2026-03-23 · 3 obs
○ 2017-02-03 11:23:46
● 2020-02-27 01:19:48
● 2026-03-23 01:29:44
●NSns1.your-server.de2020-02-27 → 2026-03-23 · 3 obs
○ 2017-02-03 11:23:46
● 2020-02-27 01:19:48
● 2026-03-23 01:29:44
●NSns3.second-ns.de2020-02-27 → 2026-03-23 · 3 obs
○ 2017-02-03 11:23:46
● 2020-02-27 01:19:48
● 2026-03-23 01:29:44
○NSnsa0.schlundtech.de2015-07-07 → 2017-02-03 · 4 obs
● 2015-07-07 17:10:10
● 2017-02-03 11:23:46
○ 2020-02-27 01:19:48
○ 2026-03-23 01:29:44
○NSnsb0.schlundtech.de2015-07-07 → 2017-02-03 · 4 obs
● 2015-07-07 17:10:10
● 2017-02-03 11:23:46
○ 2020-02-27 01:19:48
○ 2026-03-23 01:29:44
○NSnsc0.schlundtech.de2015-07-07 → 2017-02-03 · 4 obs
● 2015-07-07 17:10:10
● 2017-02-03 11:23:46
○ 2020-02-27 01:19:48
○ 2026-03-23 01:29:44
○NSnsd0.schlundtech.de2015-07-07 → 2017-02-03 · 4 obs
● 2015-07-07 17:10:10
● 2017-02-03 11:23:46
○ 2020-02-27 01:19:48
○ 2026-03-23 01:29:44
○MXmail.qualifiber.de2015-07-07 → 2016-02-27 · 4 obs
● 2015-07-07 17:10:10
● 2016-02-27 14:04:16
○ 2016-05-07 05:16:00
○ 2026-03-23 01:29:44
●MXqualifiber-de.mail.protection.outlook.com2026-03-23 → 2026-03-23 · 2 obs
○ 2020-02-27 01:19:48
● 2026-03-23 01:29:44
○MXsms03.k1net.de2015-07-07 → 2020-02-27 · 3 obs
● 2015-07-07 17:10:10
● 2020-02-27 01:19:48
○ 2026-03-23 01:29:44
○MXsms04.k1net.de2015-07-07 → 2020-02-27 · 3 obs
● 2015-07-07 17:10:10
● 2020-02-27 01:19:48
○ 2026-03-23 01:29:44
●A136.243.160.82020-02-27 → 2026-03-23 · 3 obs
○ 2017-02-03 11:23:46
● 2020-02-27 01:19:48
● 2026-03-23 01:29:44
○A85.214.223.1412015-07-07 → 2017-02-03 · 4 obs
● 2015-07-07 17:10:10
● 2017-02-03 11:23:46
○ 2020-02-27 01:19:48
○ 2026-03-23 01:29:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, f.nic.de, a.nic.de-
qualifiber.dens1.your-server.de, ns3.second-ns.de, ns.second-ns.com4 records

✅ Authoritative Response

Server:213.133.100.102

NS records: ns1.your-server.de, ns3.second-ns.de, ns.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qualifiber.de (unsigned zone)

⏱️ Timing

Total: 872ms | Queries: -

📄 Records

TypeCountSample Data
A1136.243.160.8
NS3ns1.your-server.de, ns3.second-ns.de...
MX1qualifiber-de.mail.protection.outlook.co
TXT2MS=ms49871501, v=spf1 include:spf.protection.outlook.co
SOA1ns1.your-server.de postmaster.your-serve

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.second-ns.de, ns1.your-server.de, ns3.second-ns.de...)

Analysis

IP Addresses

qualifiber.de points to a single IP address: 136.243.160.8.

Other host names such as schlager-industrieofenbau.de, kumm-technik.de, gks-rechtsanwaelte.de, www.ticketstars.de and mail.flo-rider.com share IP numbers with qualifiber.de.

Name Servers

qualifiber.de is delegated to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

At least part of the name servers for qualifiber.de are shared with other domains, for instance cellutome.net, 4.9.7.2.a.0.d.0.8.f.4.0.1.0.a.2.ip6.arpa, 60.21.65.clients.your-server.de, 12.88.23.clients.your-server.de and meinhart.cz.

Host names with two IP numbers:

ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242

ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4

ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102

Mail Servers

The mail server for qualifiber.de is qualifiber-de.mail.protection.outlook.com.

qualifiber-de.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::c, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::7, 2a01:111:f403:ca09::d, 52.101.68.5, 52.101.68.32, 52.101.73.15 and 52.101.73.26.