df4.nl - robtex.com
df4.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:2220:259d::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | server3.realityhost.be | ||||||
| A | 138.199.137.35🇩🇪 Hetzner138.199.128.0/17 HETZNER-DC | ||||||
| NS | ns1.realityhost.be ⭐ | ||||||
| A | 2a01:7c8:fff8:427:5054:ff:fe00:f6ba🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | server1.realityhost.be | ||||||
| A | 136.144.141.147🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
| PTR | server1.realityhost.be | ||||||
| NS | ns2.realityhost.be | ||||||
| A | 2a01:7c8:fff8:427:5054:ff:fe00:f6ba🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | server1.realityhost.be | ||||||
| A | 136.144.141.147🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
| PTR | server1.realityhost.be | ||||||
| MX | mail.df4.nl ⭐ | ||||||
| A | 2a01:4f8:2220:259d::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | server3.realityhost.be | ||||||
| A | 138.199.137.35🇩🇪 Hetzner138.199.128.0/17 HETZNER-DC | ||||||
| PTR | server3.realityhost.be | ||||||
| TXT | v=spf1 a mx ip4:136.144.141.147 -all | ||||||
| SOA | ns1.realityhost.behostmaster@df4.nl 2026-04-30 #0 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-06-15 09:30:01 +0000 (EPOCH 1781515801) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-06-15 #19 | ||||||
Previously MX for
df4.nl |
Subdomains
mail.df4.nl |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSns0.transip.net2015-08-18 → 2017-04-04 · 4 obs
● 2017-04-04 22:13:40
○ 2026-06-14 22:45:56
○ 2026-06-15 10:19:36
●NSns1.realityhost.be2026-06-14 → 2026-06-15 · 3 obs
● 2026-06-14 22:45:56
● 2026-06-15 10:19:36
○NSns1.transip.nl2015-08-18 → 2017-04-04 · 4 obs
● 2017-04-04 22:13:40
○ 2026-06-14 22:45:56
○ 2026-06-15 10:19:36
●NSns2.realityhost.be2026-06-14 → 2026-06-15 · 3 obs
● 2026-06-14 22:45:56
● 2026-06-15 10:19:36
○NSns2.transip.eu2015-08-18 → 2017-04-04 · 4 obs
● 2017-04-04 22:13:40
○ 2026-06-14 22:45:56
○ 2026-06-15 10:19:36
○MXdf4.nl2015-08-18 → 2017-04-04 · 4 obs
● 2017-04-04 22:13:40
○ 2026-06-14 22:45:56
○ 2026-06-15 10:19:36
●MXmail.df4.nl2026-06-14 → 2026-06-15 · 3 obs
● 2026-06-14 22:45:56
● 2026-06-15 10:19:36
●A138.199.137.352026-06-14 → 2026-06-15 · 3 obs
● 2026-06-14 22:45:56
● 2026-06-15 10:19:36
○A195.64.76.622015-08-18 → 2017-04-04 · 4 obs
● 2017-04-04 22:13:40
○ 2026-06-14 22:45:56
○ 2026-06-15 10:19:36
●A2a01:4f8:2220:259d::22026-06-14 → 2026-06-15 · 3 obs
● 2026-06-14 22:45:56
● 2026-06-15 10:19:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns3.dns.nl, ns1.dns.nl, ns4.dns.nl | - |
| df4.nl | ns1.realityhost.be, ns2.realityhost.be | - |
✅ Authoritative Response
Server:136.144.141.147
NS records: ns1.realityhost.be, ns2.realityhost.be
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for df4.nl (unsigned zone)
⏱️ Timing
Total: 1523ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.199.137.35 |
| AAAA | 1 | 2a01:4f8:2220:259d::2 |
| NS | 2 | ns1.realityhost.be, ns2.realityhost.be |
| MX | 1 | mail.df4.nl (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:136.144.141.147 -all |
| SOA | 1 | ns1.realityhost.be hostmaster.df4.nl |
Analysis
Hierarchy
df4.nl is the parent zone for mail.df4.nl.
IP Addresses
df4.nl directs to two IP numbers, 138.199.137.35 and 2a01:4f8:2220:259d::2
mail.herva.eu, mail.vliebo.com, mail.neonlight.be plus two other host names have IP numbers in common with df4.nl.
Name Servers
df4.nl uses two name servers for its delegation: ns1.realityhost.be and ns2.realityhost.be.
The name server configuration of df4.nl is shared with other domains, for instance wannes.realityhost.be, 2-njoy.be, realityhost.be and two others.
df4.nl partially shares its NS delegation with several other domains, including neonlight.be, vlaggen.be, vliebo.eu and two others.
These name servers are regularly seen alongside ns1.realityhost.eu and ns2.realityhost.eu as name servers.
ns1.realityhost.be and ns2.realityhost.be share the same two IP addresses — 136.144.141.147 and 2a01:7c8:fff8:427:5054:ff:fe00:f6ba.
Both ns1.realityhost.be and ns2.realityhost.be resolve to 2a01:7c8:fff8:427:5054:ff:fe00:f6ba IP addresses each.
Both ns1.realityhost.be and ns2.realityhost.be resolve to 136.144.141.147 IP addresses each.
Mail Servers
df4.nl uses one mail server — mail.df4.nl.
The host mail.df4.nl resolves to 138.199.137.35 and 2a01:4f8:2220:259d::2 — two IP addresses.