refau.com - robtex.com
refau.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.38.243.234🇩🇪 netcup-AS46.38.240.0/22 | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| A | 2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | root-dns.netcup.net | ||||||
| A | 46.38.225.225🇩🇪 netcup-AS46.38.225.0/24 | ||||||
| PTR | root-dns.netcup.net | ||||||
| NS | second-dns.netcup.net | ||||||
| A | 2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | second-dns.netcup.net | ||||||
| A | 37.221.199.199🇩🇪 netcup-AS37.221.196.0/22 | ||||||
| PTR | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| A | 2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| A | 188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2025-09-25 #1 | ||||||
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=1785471772 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSns1.nwxi.net2015-08-05 → 2016-09-23 · 4 obs
● 2016-09-23 01:55:04
○ 2026-06-25 14:58:30
○ 2026-07-31 04:28:20
○NSns2.nwxi.net2015-08-05 → 2016-09-23 · 4 obs
● 2016-09-23 01:55:04
○ 2026-06-25 14:58:30
○ 2026-07-31 04:28:20
○NSns3.nwxi.net2015-08-05 → 2016-09-23 · 4 obs
● 2016-09-23 01:55:04
○ 2026-06-25 14:58:30
○ 2026-07-31 04:28:20
●NSroot-dns.netcup.net2026-06-25 → 2026-07-31 · 3 obs
● 2026-06-25 14:58:30
● 2026-07-31 04:28:20
●NSsecond-dns.netcup.net2026-06-25 → 2026-07-31 · 3 obs
● 2026-06-25 14:58:30
● 2026-07-31 04:28:20
●NSthird-dns.netcup.net2026-06-25 → 2026-07-31 · 3 obs
● 2026-06-25 14:58:30
● 2026-07-31 04:28:20
○MXnwxrelay.clusters.de2015-08-05 → 2016-09-23 · 4 obs
● 2016-09-23 01:55:04
○ 2026-06-25 14:58:30
○ 2026-07-31 04:28:20
●A46.38.243.2342026-06-25 → 2026-07-31 · 3 obs
● 2026-06-25 14:58:30
● 2026-07-31 04:28:20
○A94.136.161.222015-08-05 → 2016-09-23 · 4 obs
● 2016-09-23 01:55:04
○ 2026-06-25 14:58:30
○ 2026-07-31 04:28:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| refau.com | root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for refau.com (unsigned zone)
⏱️ Timing
Total: 545ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.38.243.234 |
| NS | 3 | root-dns.netcup.net, second-dns.netcup.net... |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
IP Addresses
refau.com has exactly one IP address — 46.38.243.234.
mail.stb-kammesheidt.de, inetsecure.de, osna-tec.de plus two other host names have IP numbers in common with refau.com.
Name Servers
refau.com is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
refau.com partially shares its NS delegation with several other domains, including der-masterplan.de, textilfairedelung.de, 03l.de and two others.
root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net each resolve to two IP addresses: root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1; second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7; third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44.