vanderzwan.org - robtex.com
vanderzwan.org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.leaseweb.nl ⭐ | ||||||
| A | 2607:f5b5::53🇺🇸 LEASEWEB-NL-AMS-012607:f5b5::/48 Leaseweb USA, Inc. | ||||||
| PTR | ns0.leaseweb.com | ||||||
| A | 23.19.196.53🇺🇸 LEASEWEB-NL-AMS-0123.19.196.0/24 Leaseweb USA, Inc. | ||||||
| PTR | ns0.leaseweb.com | ||||||
| NS | ns1.leaseweb.nl | ||||||
| A | 23.19.196.53🇺🇸 LEASEWEB-NL-AMS-0123.19.196.0/24 Leaseweb USA, Inc. | ||||||
| PTR | ns0.leaseweb.com | ||||||
| NS | ns4.leaseweb.net | ||||||
| A | 2607:f5b5::53🇺🇸 LEASEWEB-NL-AMS-012607:f5b5::/48 Leaseweb USA, Inc. | ||||||
| PTR | ns0.leaseweb.com | ||||||
| A | 23.19.196.53🇺🇸 LEASEWEB-NL-AMS-0123.19.196.0/24 Leaseweb USA, Inc. | ||||||
| PTR | ns0.leaseweb.com | ||||||
| NS | ns5.leaseweb.nl | ||||||
| A | 2607:f5b5:1::53🇺🇸 LEASEWEB-NL-AMS-012607:f5b5:1::/48 Leaseweb USA, Inc. | ||||||
| PTR | ns1.leaseweb.com | ||||||
| A | 23.19.197.53🇺🇸 LEASEWEB-NL-AMS-0123.19.197.0/24 Leaseweb USA, Inc. | ||||||
| PTR | ns1.leaseweb.com | ||||||
| MX | mta.vanderzwan.org ⭐ | ||||||
| A | 37.48.109.120🇳🇱 LEASEWEB-NL-AMS-0137.48.64.0/18 LEASEWEB | ||||||
| PTR | mta.vanderzwan.org | ||||||
| TXT | v=spf1 a mx ip4:37.48.109.120 ip6:2001:1af8:4700:a116:1::42 -all | ||||||
| SOA | ns0.leaseweb.nlpostmaster@leaseweb.nl 2017-11-08 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1775982364 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns0.leaseweb.nl2015-06-20 → 2026-04-12 · 2 obs
● 2026-04-12 08:46:56
●NSns1.leaseweb.nl2015-06-20 → 2026-04-12 · 2 obs
● 2026-04-12 08:46:56
●NSns4.leaseweb.net2015-06-20 → 2026-04-12 · 2 obs
● 2026-04-12 08:46:56
●NSns5.leaseweb.nl2015-06-20 → 2026-04-12 · 2 obs
● 2026-04-12 08:46:56
○MXhost.ipv4.vanderzwan.org2015-06-20 → 2016-04-21 · 4 obs
● 2016-04-21 21:36:36
○ 2016-11-20 13:32:40
○ 2026-04-12 08:46:56
○MXmail.ipv6.vanderzwan.org2015-06-20 → 2016-04-21 · 4 obs
● 2016-04-21 21:36:36
○ 2016-11-20 13:32:40
○ 2026-04-12 08:46:56
○MXmail.paztec.nl2016-11-20 → 2019-03-27 · 5 obs
● 2016-11-20 13:32:40
● 2019-03-27 16:14:06
○ 2026-04-07 09:54:40
○ 2026-04-12 08:46:56
●MXmta.vanderzwan.org2026-04-07 → 2026-04-12 · 3 obs
● 2026-04-07 09:54:40
● 2026-04-12 08:46:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| vanderzwan.org | ns1.leaseweb.nl, ns4.leaseweb.net, ns5.leaseweb.nl | - |
✅ Authoritative Response
Server:23.19.196.53
NS records: ns1.leaseweb.nl, ns4.leaseweb.net, ns5.leaseweb.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 590ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns5.leaseweb.nl, ns1.leaseweb.nl... |
| MX | 1 | mta.vanderzwan.org (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:37.48.109.120 ip6:2001:1 |
| SOA | 1 | ns0.leaseweb.nl postmaster.leaseweb.nl |
Analysis
Hierarchy
vanderzwan.org is a parent of mail.vanderzwan.org and mta.vanderzwan.org.
Name Servers
vanderzwan.org is delegated to four name servers: ns4.leaseweb.net, ns0.leaseweb.nl, ns1.leaseweb.nl and ns5.leaseweb.nl.
vanderzwan.org shares name servers with other domains at least partially, for example intiferreira.eu, 174.177.108.in-addr.arpa, kiroco.be, biblionet.nl and g-4.nl.
These name servers are commonly used with the name servers ns0.leaseweb.com and ns1.leaseweb.com.
Host names with two IP numbers:
ns4.leaseweb.net points to: 2607:f5b5::53 and 23.19.196.53.
ns0.leaseweb.nl points to: 2607:f5b5::53 and 23.19.196.53.
ns5.leaseweb.nl points to: 2607:f5b5:1::53 and 23.19.197.53.
Host names with one IP number:
ns1.leaseweb.nl points to: 23.19.196.53.
Host names that point to 2607:f5b5::53: ns4.leaseweb.net and ns0.leaseweb.nl.
Host names that point to 23.19.196.53: ns4.leaseweb.net, ns0.leaseweb.nl and ns1.leaseweb.nl.
Mail Servers
vanderzwan.org is handled by a single mail server, mta.vanderzwan.org.
mta.vanderzwan.org points to a single IP: 37.48.109.120.