john-it.com - robtex.com
john-it.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774671492 | ||||||
Subdomains
mail.john-it.com |
Same first word
Similar names
DNS History
14 records (6 active, 8 former)
○NSns.inwx.de2020-03-06 → 2020-03-06 · 3 obs
○ 2026-02-15 23:02:18
○ 2026-03-28 04:21:12
●NSns.second-ns.com2026-02-15 → 2026-03-28 · 3 obs
● 2026-02-15 23:02:18
● 2026-03-28 04:21:12
●NSns1.your-server.de2026-02-15 → 2026-03-28 · 3 obs
● 2026-02-15 23:02:18
● 2026-03-28 04:21:12
○NSns2.inwx.de2020-03-06 → 2020-03-06 · 3 obs
○ 2026-02-15 23:02:18
○ 2026-03-28 04:21:12
○NSns3.inwx.eu2020-03-06 → 2020-03-06 · 3 obs
○ 2026-02-15 23:02:18
○ 2026-03-28 04:21:12
●NSns3.second-ns.de2026-02-15 → 2026-03-28 · 3 obs
● 2026-02-15 23:02:18
● 2026-03-28 04:21:12
○NSns4.inwx.com2020-03-06 → 2020-03-06 · 3 obs
○ 2026-02-15 23:02:18
○ 2026-03-28 04:21:12
○NSns5.inwx.net2020-03-06 → 2020-03-06 · 3 obs
○ 2026-02-15 23:02:18
○ 2026-03-28 04:21:12
●MXjohnit-com01b.mail.protection.outlook.com2026-02-15 → 2026-03-28 · 3 obs
● 2026-02-15 23:02:18
● 2026-03-28 04:21:12
○MXmail.john-it.com2020-03-06 → 2020-03-06 · 3 obs
○ 2026-02-15 23:02:18
○ 2026-03-28 04:21:12
○A176.9.184.1982020-03-06 → 2020-03-06 · 3 obs
○ 2026-02-15 23:02:18
○ 2026-03-28 04:21:12
●A188.40.30.1042026-02-15 → 2026-03-28 · 6 obs
● 2026-02-15 23:02:18
● 2026-03-17 13:13:36
○ 2026-03-21 21:56:26
● 2026-03-28 04:21:10
● 2026-03-28 04:21:12
○A2a01:4f8:151:74ae:1::12020-03-06 → 2020-03-06 · 3 obs
○ 2026-02-15 23:02:18
○ 2026-03-28 04:21:12
●A2a01:4f8:d0a:11f7::22026-02-15 → 2026-03-28 · 3 obs
● 2026-02-15 23:02:18
● 2026-03-28 04:21:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net... | - |
| john-it.com | ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de | 2 records |
✅ Authoritative Response
Server:213.239.204.242
NS records: ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for john-it.com (unsigned zone)
⏱️ Timing
Total: 1128ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.40.30.104 |
| AAAA | 1 | 2a01:4f8:d0a:11f7::2 |
| NS | 3 | ns.second-ns.com, ns1.your-server.de... |
| MX | 1 | johnit-com01b.mail.protection.outlook.co |
| TXT | 4 | google-site-verification=Eq4uE7RyyQGRMOR, have-i-been-pwned-verification=dweb_bivc... |
| SOA | 1 | ns1.your-server.de postmaster.your-serve |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.second-ns.com, ns.second-ns.com)
Analysis
Hierarchy
The parent of mail.john-it.com is john-it.com.
IP Addresses
Two IP numbers are pointed to by john-it.com: 2a01:4f8:d0a:11f7::2 and 188.40.30.104.
other host names include sternenschule.de, zadtools.de, mail.knipseule.de, mail.zadtools.de and www221.your-server.de; they share IP numbers with john-it.com.
Name Servers
john-it.com is delegated to three name servers ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.
john-it.com at least partially shares name servers with other domains, for instance stavrosdouvros.gr, fahrschule-mp.de, 7.f.4.7.a.0.d.0.8.f.4.0.1.0.a.2.ip6.arpa, agraroekologie.at and rsgate.de.
These name servers are commonly used alongside ns1.first-ns.de.
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
john-it.com is handled by a single mail server, johnit-com01b.mail.protection.outlook.com.
Hostname johnit-com01b.mail.protection.outlook.com resolves 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.