speciesdifferences.com - robtex.com
speciesdifferences.com
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=1774549577 | ||||||
Subdomains
www.speciesdifferences.com |
Same first word
speciesdifferences.nl |
speciesdifferences.com |
DNS History
16 records (8 active, 8 former)
○NSns.rivm.nl2015-05-31 → 2017-02-15 · 4 obs
● 2017-02-15 18:14:14
○ 2021-12-21 05:38:46
○ 2026-03-26 18:27:26
●NSns1.ssc-campus.nl2021-12-21 → 2026-03-26 · 3 obs
● 2021-12-21 05:38:46
● 2026-03-26 18:27:26
●NSns1.w-e-r-k.nl2015-05-31 → 2026-03-26 · 2 obs
● 2026-03-26 18:27:26
○NSns2.rivm.nl2015-05-31 → 2017-02-15 · 4 obs
● 2017-02-15 18:14:14
○ 2021-12-21 05:38:46
○ 2026-03-26 18:27:26
●NSns2.ssc-campus.nl2021-12-21 → 2026-03-26 · 3 obs
● 2021-12-21 05:38:46
● 2026-03-26 18:27:26
●NSns2.w-e-r-k.nl2015-05-31 → 2026-03-26 · 2 obs
● 2026-03-26 18:27:26
●NSsscc-ddign-a01p.ddi.ssc-campus.nl2021-12-21 → 2026-03-26 · 3 obs
● 2021-12-21 05:38:46
● 2026-03-26 18:27:26
●MXexternemail-mx2.rivm.nl2026-03-17 → 2026-03-26 · 3 obs
● 2026-03-17 05:36:34
● 2026-03-26 18:27:26
●MXexternemail.rivm.nl2026-03-17 → 2026-03-26 · 3 obs
● 2026-03-17 05:36:34
● 2026-03-26 18:27:26
○MXmx-1.mf.surf.net2015-05-31 → 2017-02-15 · 4 obs
● 2017-02-15 18:14:14
○ 2021-12-21 05:38:46
○ 2026-03-26 18:27:26
○MXmx-a.mf.surf.net2015-05-31 → 2017-02-15 · 4 obs
● 2017-02-15 18:14:14
○ 2021-12-21 05:38:46
○ 2026-03-26 18:27:26
○MXmx1.surfmailfilter.nl2021-12-21 → 2021-12-21 · 4 obs
● 2021-12-21 05:38:46
○ 2026-03-17 05:36:34
○ 2026-03-26 18:27:26
○MXmx10.surfmailfilter.nl2026-03-17 → 2026-03-26 · 2 obs
○ 2026-03-26 18:27:26
○MXmx11.surfmailfilter.nl2026-03-17 → 2026-03-26 · 2 obs
○ 2026-03-26 18:27:26
○MXmx2.surfmailfilter.nl2021-12-21 → 2021-12-21 · 4 obs
● 2021-12-21 05:38:46
○ 2026-03-17 05:36:34
○ 2026-03-26 18:27:26
●A131.224.244.922015-05-31 → 2026-03-26 · 2 obs
● 2026-03-26 18:27:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| speciesdifferences.com | ns1.w-e-r-k.nl, ns2.w-e-r-k.nl, ns1.ssc-campus.nl, ns2.ssc-campus.nl | - |
✅ Authoritative Response
Server:5.172.40.100
NS records: ns1.w-e-r-k.nl, ns2.w-e-r-k.nl, ns1.ssc-campus.nl, ns2.ssc-campus.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 967ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 131.224.244.92 |
| NS | 4 | ns1.w-e-r-k.nl, ns2.w-e-r-k.nl... |
| MX | 2 | externemail-mx2.rivm.nl (pri: 20), externemail.rivm.nl (pri: 10) |
| TXT | 1 | v=spf1 include:_spf1.rivm.nl -all |
| SOA | 1 | sscc-ddign-a01p.ddi.ssc-campus.nl hostma |
Analysis
Hierarchy
speciesdifferences.com is the parent of www.speciesdifferences.com.
IP Addresses
speciesdifferences.com resolves to one IP number: 131.224.244.92.
other host names including www.sso-campus.eu, www.leefomgeving-in-de-wijk.nl, www.epanucleair.nl, qkoorts2008.nl and kennisplatform-duurzame-energie.nl share IP numbers with speciesdifferences.com.
Name Servers
speciesdifferences.com is delegated to five name servers: ns1.ssc-campus.nl, ns2.ssc-campus.nl, ns1.w-e-r-k.nl, ns2.w-e-r-k.nl and sscc-ddign-a01p.ddi.ssc-campus.nl.
speciesdifferences.com at least partially shares name servers with other domains, for instance groenebatenplanner.nl, milieu-in-de-buurt.nl, earss.eu, bevolkingsonderzoeken.nl and sporttoekomstverkenning.nl.
These name servers are commonly used alongside ns1.surfnet.nl and ns2.surfnet.nl.
Hosts with two IP numbers:
ns1.ssc-campus.nl points to 2001:610:430:2::135 and 131.224.2.135
ns2.ssc-campus.nl points to 2001:610:430:2::136 and 131.224.2.136
ns1.w-e-r-k.nl points to 2a00:d10:181:5:5:172:40:100 and 5.172.40.100
ns2.w-e-r-k.nl points to 2a00:d10:201a:0:31:200:209:176 and 31.200.209.176
Host with one IP number:
sscc-ddign-a01p.ddi.ssc-campus.nl points to 131.224.74.21
Mail Servers
Two mail servers handle speciesdifferences.com: externemail-mx2.rivm.nl and externemail.rivm.nl.
speciesdifferences.com shares the same mail server setup as other domains, for instance milieu-in-de-buurt.nl, earss.eu, kindervaccinaties.nl, rivm-bioinformatics.com and akkoordverbeteringproductsamenstelling.nl.
Two IP numbers for a host: externemail.rivm.nl points to 131.224.254.249 and 131.224.254.250.
One IP number for a host: externemail-mx2.rivm.nl points to 2001:610:430:ffff::17:16.