olsder.com - robtex.com
olsder.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a06:2ec0:ded1:1:0:6:1261:2🇳🇱 AS-ZXCS2a06:2ec0::/32 | ||||||
| PTR | vps8917.zxcs.nl | ||||||
| A | 185.104.28.100🇳🇱 AS-ZXCS185.104.28.0/24 | ||||||
| NS | ns1.vps8917.zxcs.nl ⭐ | ||||||
| A | 2a06:2ec0:ded1:1:0:6:1261:2🇳🇱 AS-ZXCS2a06:2ec0::/32 | ||||||
| PTR | vps8917.zxcs.nl | ||||||
| A | 185.104.28.100🇳🇱 AS-ZXCS185.104.28.0/24 | ||||||
| PTR | vps8917.zxcs.nl | ||||||
| NS | ns2.vps8917.zxcs.nl | ||||||
| A | 2a06:2ec0:ded1:1:0:6:1261:2🇳🇱 AS-ZXCS2a06:2ec0::/32 | ||||||
| PTR | vps8917.zxcs.nl | ||||||
| A | 185.104.28.100🇳🇱 AS-ZXCS185.104.28.0/24 | ||||||
| PTR | vps8917.zxcs.nl | ||||||
| MX | mail.olsder.com ⭐ | ||||||
| A | 2a06:2ec0:ded1:1:0:6:1261:2🇳🇱 AS-ZXCS2a06:2ec0::/32 | ||||||
| PTR | vps8917.zxcs.nl | ||||||
| A | 185.104.28.100🇳🇱 AS-ZXCS185.104.28.0/24 | ||||||
| PTR | vps8917.zxcs.nl | ||||||
| TXT | v=spf1 a mx ip4:185.104.28.100 ip6:2a06:2ec0:ded1:1:0:6:1261:2 ip4:5.39.185.4... | ||||||
| SOA | ns1.vps8917.zxcs.nlhostmaster@olsder.com 2026-06-07 #5 | ||||||
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=1784072377 | ||||||
Subdomains
mail.olsder.com |
Same first word
Similar names
DNS History
16 records (5 active, 11 former)
○NSns01.one.com2015-07-03 → 2020-03-25 · 4 obs
● 2020-03-25 19:18:24
○ 2026-06-30 08:48:58
○ 2026-07-15 00:03:38
○NSns02.one.com2015-07-03 → 2020-03-25 · 4 obs
● 2020-03-25 19:18:24
○ 2026-06-30 08:48:58
○ 2026-07-15 00:03:38
●NSns1.vps8917.zxcs.nl2026-06-30 → 2026-07-15 · 3 obs
● 2026-06-30 08:48:58
● 2026-07-15 00:03:38
●NSns2.vps8917.zxcs.nl2026-06-30 → 2026-07-15 · 3 obs
● 2026-06-30 08:48:58
● 2026-07-15 00:03:38
●MXmail.olsder.com2026-06-30 → 2026-07-15 · 3 obs
● 2026-06-30 08:48:58
● 2026-07-15 00:03:38
○MXmx1.pub.mailpod2-cph3.one.com2020-03-25 → 2020-03-25 · 4 obs
● 2020-03-25 19:18:24
○ 2026-06-30 08:48:58
○ 2026-07-15 00:03:38
○MXmx2.pub.mailpod2-cph3.one.com2020-03-25 → 2020-03-25 · 4 obs
● 2020-03-25 19:18:24
○ 2026-06-30 08:48:58
○ 2026-07-15 00:03:38
○MXmx3.pub.mailpod2-cph3.one.com2020-03-25 → 2020-03-25 · 4 obs
● 2020-03-25 19:18:24
○ 2026-06-30 08:48:58
○ 2026-07-15 00:03:38
○MXmxcluster1.one.com2015-07-03 → 2017-04-21 · 4 obs
● 2017-04-21 08:03:22
○ 2020-03-25 19:18:24
○ 2026-07-15 00:03:38
○MXmxcluster2.one.com2015-07-03 → 2017-04-21 · 4 obs
● 2017-04-21 08:03:22
○ 2020-03-25 19:18:24
○ 2026-07-15 00:03:38
●A185.104.28.1002026-06-30 → 2026-07-15 · 3 obs
● 2026-06-30 08:48:58
● 2026-07-15 00:03:38
○A2a02:2350:5:105:5140:0:8798:1f252020-03-25 → 2020-03-25 · 4 obs
● 2020-03-25 19:18:24
○ 2026-06-30 08:48:58
○ 2026-07-15 00:03:38
●A2a06:2ec0:ded1:1:0:6:1261:22026-06-30 → 2026-07-15 · 3 obs
● 2026-06-30 08:48:58
● 2026-07-15 00:03:38
○A46.30.212.1642015-07-03 → 2016-03-25 · 4 obs
● 2016-03-25 10:21:24
○ 2016-08-12 13:01:56
○ 2026-07-15 00:03:38
○A46.30.213.2052016-08-12 → 2017-04-21 · 5 obs
● 2016-08-12 13:01:56
● 2017-04-21 08:03:22
○ 2020-03-25 19:18:24
○ 2026-07-15 00:03:38
○A46.30.215.692020-03-25 → 2020-03-25 · 4 obs
● 2020-03-25 19:18:24
○ 2026-06-30 08:48:58
○ 2026-07-15 00:03:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net... | - |
| olsder.com | ns1.vps8917.zxcs.nl, ns2.vps8917.zxcs.nl | - |
✅ Authoritative Response
Server:185.104.28.100
NS records: ns1.vps8917.zxcs.nl, ns2.vps8917.zxcs.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for olsder.com (unsigned zone)
⏱️ Timing
Total: 2091ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.104.28.100 |
| AAAA | 1 | 2a06:2ec0:ded1:1:0:6:1261:2 |
| NS | 2 | ns1.vps8917.zxcs.nl, ns2.vps8917.zxcs.nl |
| MX | 1 | mail.olsder.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:185.104.28.100 ip6:2a06: |
| SOA | 1 | ns1.vps8917.zxcs.nl hostmaster.olsder.co |
Analysis
Hierarchy
mail.olsder.com is a subdomain of olsder.com.
IP Addresses
olsder.com has two IP addresses: 185.104.28.100 and 2a06:2ec0:ded1:1:0:6:1261:2
Two other host names, along with www.parkpsychologen.nl, parkpsychologen.nl and ptva.nl, also share IP numbers with olsder.com.
Name Servers
Two name servers handle the delegation for olsder.com: ns1.vps8917.zxcs.nl and ns2.vps8917.zxcs.nl.
olsder.com shares its NS records with other domains, for example ctbab.nl, mobilegamesblog.com, evagynal.com and two others.
ns1.vps8917.zxcs.nl and ns2.vps8917.zxcs.nl each point to two IP numbers — 185.104.28.100 and 2a06:2ec0:ded1:1:0:6:1261:2 — making both hosts identical in their DNS resolution.
ns1.vps8917.zxcs.nl along with ns2.vps8917.zxcs.nl each resolve to 2a06:2ec0:ded1:1:0:6:1261:2 IP addresses.
ns1.vps8917.zxcs.nl along with ns2.vps8917.zxcs.nl each resolve to 185.104.28.100 IP addresses.
Mail Servers
The sole mail server for olsder.com is mail.olsder.com.
mail.olsder.com resolves to two IP numbers — 185.104.28.100 and 2a06:2ec0:ded1:1:0:6:1261:2.