gratech.de - dns.ninja
gratech.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.133.104.55🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | www55.your-server.de | ||||||
| NS | ns1.your-server.de ⭐ | ||||||
| A | 2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.your-server.de | ||||||
| A | 213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | ns1.your-server.de | ||||||
| NS | ns.second-ns.com | ||||||
| A | 2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns.second-ns.com | ||||||
| A | 213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns.second-ns.com | ||||||
| NS | ns3.second-ns.de | ||||||
| A | 2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | ns3.second-ns.de | ||||||
| A | 193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | ns3.second-ns.de | ||||||
| MX | mail.dvrnet.de ⭐ | ||||||
| A | 217.92.30.52🇩🇪 DTAG217.80.0.0/12 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | mail.dvrnet.de | ||||||
| TXT | v=spf1 ip4:217.92.30.52 ~all | ||||||
| SOA | ns1.your-server.depostmaster@your-server.de 2025-12-11 #0 | ||||||
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=1783231892 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns.second-ns.com2015-08-05 → 2026-07-05 · 2 obs
● 2026-07-05 06:13:00
●NSns1.your-server.de2015-08-05 → 2026-07-05 · 2 obs
● 2026-07-05 06:13:00
●NSns3.second-ns.de2015-08-05 → 2026-07-05 · 2 obs
● 2026-07-05 06:13:00
●MXmail.dvrnet.de2026-02-21 → 2026-07-05 · 6 obs
● 2026-02-21 22:15:40
● 2026-03-25 03:41:22
○ 2026-04-05 08:32:32
● 2026-06-28 22:08:42
● 2026-07-05 06:13:00
○MXmail.gratech.de2015-08-05 → 2017-10-28 · 4 obs
● 2017-10-28 15:34:00
○ 2026-02-21 22:15:40
○ 2026-07-05 06:13:00
●A213.133.104.552015-08-05 → 2026-07-05 · 5 obs
● 2026-03-25 03:41:22
○ 2026-04-05 08:32:32
● 2026-06-28 22:08:42
● 2026-07-05 06:13:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| gratech.de | ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de | 4 records |
✅ Authoritative Response
Server:213.133.100.102
NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gratech.de (unsigned zone)
⏱️ Timing
Total: 734ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.133.104.55 |
| NS | 3 | ns1.your-server.de, ns3.second-ns.de... |
| MX | 1 | mail.dvrnet.de (pri: 10) |
| TXT | 1 | v=spf1 ip4:217.92.30.52 ~all |
| SOA | 1 | ns1.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
Hierarchy
The parent domain of mail.gratech.de and ftp.gratech.de is gratech.de.
IP Addresses
gratech.de directs to one IP number, which is 213.133.104.55.
Among the host names that share IP numbers with gratech.de are bruce.rommerskirchen.com, mail.bergsiedlung13.at, praxis-am-meer.de and two others.
Name Servers
gratech.de has three name servers — ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.
There is at least partial name server overlap between gratech.de and other domains — paparuss.de, stadtbuecherei-delmenhorst.de, 55.202.116.in-addr.arpa and two more among them.
These name servers frequently co-occur with the name servers ns.second-ns.de and ns16.your-server.de.
Each of ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de points to two IP numbers. ns.second-ns.com points to 213.239.204.242 and 2a01:4f8:0:a101::b:1. ns3.second-ns.de points to 193.47.99.4 and 2001:67c:192c::add:b3. ns1.your-server.de points to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.
Mail Servers
gratech.de routes its mail through a single mail server, mail.dvrnet.de.
gratech.de and domains like dvrnet.de share an identical mail server configuration.
mail.dvrnet.de points to one IP number — 217.92.30.52.