nb4u.de - robtex.com
nb4u.de
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.dedns-operations@denic.de serial=1773553752 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NSns25.schlund.de2015-08-14 → 2017-05-12 · 4 obs
● 2017-05-12 15:58:22
○ 2021-01-07 04:44:14
○ 2026-03-24 03:53:38
○NSns26.schlund.de2015-08-14 → 2017-05-12 · 4 obs
● 2017-05-12 15:58:22
○ 2021-01-07 04:44:14
○ 2026-03-24 03:53:38
●NSns35.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 03:53:38
●NSns36.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 03:53:38
○MXmx00.schlund.de2015-08-14 → 2017-05-12 · 4 obs
● 2017-05-12 15:58:22
○ 2021-01-07 04:44:14
○ 2026-03-24 03:53:38
○MXmx01.schlund.de2015-08-14 → 2017-05-12 · 4 obs
● 2017-05-12 15:58:22
○ 2021-01-07 04:44:14
○ 2026-03-24 03:53:38
●MXnb4u-de.mail.protection.outlook.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 03:53:38
●A13.248.243.52026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 03:53:38
○A217.160.231.1722016-07-06 → 2017-05-12 · 5 obs
● 2016-07-06 15:26:02
● 2017-05-12 15:58:22
○ 2021-01-07 04:44:14
○ 2026-03-24 03:53:38
●A76.223.105.2302026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 03:53:38
○A82.165.99.2532015-08-14 → 2016-03-13 · 4 obs
● 2016-03-13 08:12:30
○ 2016-07-06 15:26:02
○ 2026-03-24 03:53:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| nb4u.de | ns36.domaincontrol.com, ns35.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.75.18
NS records: ns36.domaincontrol.com, ns35.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nb4u.de (unsigned zone)
⏱️ Timing
Total: 841ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns35.domaincontrol.com, ns36.domaincontrol.com |
| MX | 1 | nb4u-de.mail.protection.outlook.com (pri |
| TXT | 2 | NETORGFT20130557.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns35.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
nb4u.de points to two IPs: 13.248.243.5 and 76.223.105.230.
Other host names including ilovemymarina.com, ckckdk1u2u2u2.godaddysites.com, promediaco.com, agntek.com and guardiansoftruth.org share IP numbers with nb4u.de.
Name Servers
nb4u.de's delegation uses two name servers, ns35.domaincontrol.com and ns36.domaincontrol.com.
nb4u.de shares the same name server setup as other domains, for example sagiforma.pt, cincywine.com, benniongroup.net, thesocialarena.com and sapsam.gob.mx.
Host names with two IPs:
ns35.domaincontrol.com points to: 2603:5:21b1::12 and 97.74.107.18
ns36.domaincontrol.com points to: 2603:5:22b1::12 and 173.201.75.18
Mail Servers
nb4u.de is handled by a single mail server, nb4u-de.mail.protection.outlook.com.
Hostname nb4u-de.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.