simstim.nl - robtex.com

simstim.nl

DNSSEC⚠️ Not signed
A2a04:52c0:136:3a98::33🇳🇱 Liteserver2a04:52c0::/32 IPv6
PTRwebserver3.doorons.online
A103.251.166.33🇳🇱 Liteserver103.251.164.0/22 LITESERVER-Route
NSnameserver1.doorons.online ⭐
A2a0e:6540:d32::41🇳🇱 Servada2a0e:6540::/29
PTRwebserver1.doorons.online
A45.132.11.41🇳🇱 Servada45.132.11.0/24
PTRwebserver1.doorons.online
NSnameserver2.doorons.net
A2a0e:6540:d32::42🇳🇱 Servada2a0e:6540::/29
PTRwebserver2.doorons.online
A45.132.11.42🇳🇱 Servada45.132.11.0/24
PTRwebserver2.doorons.online
NSnameserver3.doorons.eu
A2a04:52c0:136:3a98::233🇳🇱 Liteserver2a04:52c0::/32 IPv6
PTRwebserver3.doorons.online
A103.251.166.233🇳🇱 Liteserver103.251.164.0/22 LITESERVER-Route
PTRwebserver3.doorons.online
NSnameserver4.doorons.com
A2a01:4f8:1c0c:82bf::224🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwebserver4.doorons.online
A188.245.212.224🇩🇪 Hetzner188.245.0.0/16 HETZNER-DC
PTRwebserver4.doorons.online
MXmx.spamexperts.com ⭐
A2001:550:2:3::62:100🇺🇸 COGENT2001:550::/32 Cogent Communications
PTRfe2-r2-in.la10.l.antispamcloud.com
A38.89.254.156🇺🇸 AS1663338.89.254.0/23
PTRfe1-r2-in.ch03.l.antispamcloud.com
MXfallbackmx.spamexperts.eu(20)
A2001:550:2:3::62:100🇺🇸 COGENT2001:550::/32 Cogent Communications
PTRfe2-r2-in.la10.l.antispamcloud.com
A2001:550:2:61::2fc:100🇺🇸 COGENT2001:550::/32 Cogent Communications
A2001:550:2:78::ca:100🇺🇸 COGENT2001:550::/32 Cogent Communications
PTRfe3-r2-in.atl06.l.antispamcloud.com
A38.71.16.244🇺🇸 AS1663338.71.16.0/24
PTRfe2-r2-in.la10.l.antispamcloud.com
A38.89.254.156🇺🇸 AS1663338.89.254.0/23
PTRfe1-r2-in.ch03.l.antispamcloud.com
A38.101.250.150🇺🇸 AS1663338.101.250.0/24
PTRfe3-r2-in.atl06.l.antispamcloud.com
MXlastmx.spamexperts.net(30)
A2001:550:2:3::62:100🇺🇸 COGENT2001:550::/32 Cogent Communications
PTRfe2-r2-in.la10.l.antispamcloud.com
A2001:550:2:61::2fc:100🇺🇸 COGENT2001:550::/32 Cogent Communications
A2001:978:2:7::162:100🇩🇪 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH
PTRfe1-r3-in.fra02.l.antispamcloud.com
A2001:978:2:2c::137:100🇳🇱 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH
PTRfe2-r3-in.ams14.l.antispamcloud.com
A38.71.16.244🇺🇸 AS1663338.71.16.0/24
PTRfe2-r2-in.la10.l.antispamcloud.com
A38.89.254.156🇺🇸 AS1663338.89.254.0/23
PTRfe1-r2-in.ch03.l.antispamcloud.com
A149.13.75.27🇩🇪 AS16633149.13.75.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH
PTRfe1-r3-in.fra02.l.antispamcloud.com
A154.59.104.23🇳🇱 COGENT154.59.104.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH
PTRfe2-r3-in.ams14.l.antispamcloud.com
TXTv=spf1 a mx ip4:103.251.166.233 ip6:2a04:52c0:136:3a98:0:0:0:33 ~all
SOAnameserver1.doorons.onlinehostmaster@simstim.nl 2026-03-06 #0

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-03-27 07:30:01 +0000 (EPOCH 1774596601)
SOAns1.dns.nldns@sidn.nl 2026-03-27 #15

Subdomains

mail.simstim.nl

Same first word

simstim.nl
simstim.de

Similar names

simmist.blogspot.no
misstim.se
simmist.blogspot.pt
simmist.blogspot.com.es
mitsims.in
simmist.blogspot.co.at
timsims.com.au

DNS History

15 records (9 active, 6 former)

20162017201820192020202120222023202420252026NSnameserver1.doorons.onlinenameserver2.doorons.netnameserver3.doorons.eunameserver4.doorons.comns1.hostnet.nlns2.hostnetbv.comns3.hostnetbv.nlMXfallbackmx.spamexperts.eulastmx.spamexperts.netmx.spamexperts.commail.simstim.nlmx1.hostnet.nlA103.251.166.332a04:52c0:136:3a98::3391.184.0.100
●NSnameserver1.doorons.online2026-02-19 → 2026-03-27 · 3 obs
○ 2016-01-20 15:10:12
● 2026-02-19 11:22:36
● 2026-03-27 08:31:50
●NSnameserver2.doorons.net2026-02-19 → 2026-03-27 · 3 obs
○ 2016-01-20 15:10:12
● 2026-02-19 11:22:36
● 2026-03-27 08:31:50
●NSnameserver3.doorons.eu2026-02-19 → 2026-03-27 · 3 obs
○ 2016-01-20 15:10:12
● 2026-02-19 11:22:36
● 2026-03-27 08:31:50
●NSnameserver4.doorons.com2026-02-19 → 2026-03-27 · 3 obs
○ 2016-01-20 15:10:12
● 2026-02-19 11:22:36
● 2026-03-27 08:31:50
○NSns1.hostnet.nl2015-08-01 → 2015-11-04 · 4 obs
● 2015-08-01 18:45:44
● 2015-11-04 14:48:44
○ 2016-01-20 15:10:12
○ 2026-03-27 08:31:50
○NSns2.hostnetbv.com2015-08-01 → 2015-11-04 · 4 obs
● 2015-08-01 18:45:44
● 2015-11-04 14:48:44
○ 2016-01-20 15:10:12
○ 2026-03-27 08:31:50
○NSns3.hostnetbv.nl2015-08-01 → 2015-11-04 · 4 obs
● 2015-08-01 18:45:44
● 2015-11-04 14:48:44
○ 2016-01-20 15:10:12
○ 2026-03-27 08:31:50
●MXfallbackmx.spamexperts.eu2026-02-19 → 2026-03-27 · 3 obs
○ 2016-01-20 15:10:12
● 2026-02-19 11:22:36
● 2026-03-27 08:31:50
●MXlastmx.spamexperts.net2026-02-19 → 2026-03-27 · 3 obs
○ 2016-01-20 15:10:12
● 2026-02-19 11:22:36
● 2026-03-27 08:31:50
○MXmail.simstim.nl2015-08-01 → 2015-11-04 · 4 obs
● 2015-08-01 18:45:44
● 2015-11-04 14:48:44
○ 2016-01-20 15:10:12
○ 2026-03-27 08:31:50
●MXmx.spamexperts.com2026-02-19 → 2026-03-27 · 3 obs
○ 2016-01-20 15:10:12
● 2026-02-19 11:22:36
● 2026-03-27 08:31:50
○MXmx1.hostnet.nl2015-08-01 → 2015-11-04 · 4 obs
● 2015-08-01 18:45:44
● 2015-11-04 14:48:44
○ 2016-01-20 15:10:12
○ 2026-03-27 08:31:50
●A103.251.166.332026-02-19 → 2026-03-27 · 3 obs
○ 2016-01-20 15:10:12
● 2026-02-19 11:22:36
● 2026-03-27 08:31:50
●A2a04:52c0:136:3a98::332026-03-23 → 2026-03-27 · 3 obs
○ 2026-02-19 11:22:36
● 2026-03-23 20:00:48
● 2026-03-27 08:31:50
○A91.184.0.1002015-08-01 → 2015-11-04 · 4 obs
● 2015-08-01 18:45:44
● 2015-11-04 14:48:44
○ 2016-01-20 15:10:12
○ 2026-03-27 08:31:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns4.dns.nl, ns3.dns.nl, ns1.dns.nl-
simstim.nlnameserver1.doorons.online, nameserver2.doorons.net, nameserver3.doorons.eu, nameserver4.doorons.com-

✅ Authoritative Response

Server:188.245.212.224

NS records: nameserver1.doorons.online, nameserver2.doorons.net, nameserver3.doorons.eu, nameserver4.doorons.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simstim.nl (unsigned zone)

⏱️ Timing

Total: 905ms | Queries: -

📄 Records

TypeCountSample Data
A1103.251.166.33
AAAA12a04:52c0:136:3a98::33
NS4nameserver1.doorons.online, nameserver3.doorons.eu...
MX3fallbackmx.spamexperts.eu (pri: 20), lastmx.spamexperts.net (pri: 30)...
TXT1v=spf1 a mx ip4:103.251.166.233 ip6:2a04
SOA1nameserver1.doorons.online hostmaster.si

Analysis

Hierarchy

The parent of mail.simstim.nl is simstim.nl.

IP Addresses

simstim.nl points to two IP numbers: 2a04:52c0:136:3a98::33 and 103.251.166.33.

Other host names, for instance limburgtv.nl, mail.texelaanbiedingen.nl, inseltexel.nl, texelhotels.nl and texelhotel.nl share IP numbers with simstim.nl.

Name Servers

simstim.nl is delegated to four name servers: nameserver4.doorons.com, nameserver3.doorons.eu, nameserver2.doorons.net and nameserver1.doorons.online.

simstim.nl shares name servers with other domains at least partially, for instance bungalowservicetexel.com, inseltexel.nl, houtenvloerentexel.nl, texelhotels.nl and artifex-media.nl.

Host names with two IP numbers:

nameserver4.doorons.com resolves to 2a01:4f8:1c0c:82bf::224 and 188.245.212.224.

nameserver3.doorons.eu resolves to 2a04:52c0:136:3a98::233 and 103.251.166.233.

nameserver2.doorons.net resolves to 2a0e:6540:d32::42 and 45.132.11.42.

nameserver1.doorons.online resolves to 2a0e:6540:d32::41 and 45.132.11.41.

Mail Servers

simstim.nl is handled by three mail servers: mx.spamexperts.com, fallbackmx.spamexperts.eu and lastmx.spamexperts.net.

simstim.nl shares some mail servers with other domains, including pcextreme.eu, minolettifrancesco.it, canadahouse.us, solarteu.com and terracota.co.

Host names with eight IP numbers:

lastmx.spamexperts.net points to 2001:550:2:3::62:100, 2001:550:2:61::2fc:100, 2001:978:2:7::162:100, 2001:978:2:2c::137:100, 38.71.16.244, 38.89.254.156, 149.13.75.27 and 154.59.104.23.

Host names with six IP numbers:

fallbackmx.spamexperts.eu points to 2001:550:2:3::62:100, 2001:550:2:61::2fc:100, 2001:550:2:78::ca:100, 38.71.16.244, 38.89.254.156 and 38.101.250.150.

Host names with two IP numbers:

mx.spamexperts.com points to 2001:550:2:3::62:100 and 38.89.254.156.

Host names that point to 2001:550:2:3::62:100: lastmx.spamexperts.net, fallbackmx.spamexperts.eu and mx.spamexperts.com.

Host names that point to 2001:550:2:61::2fc:100: lastmx.spamexperts.net and fallbackmx.spamexperts.eu.

Host names that point to 38.71.16.244: lastmx.spamexperts.net and fallbackmx.spamexperts.eu.

Host names that point to 38.89.254.156: lastmx.spamexperts.net, fallbackmx.spamexperts.eu and mx.spamexperts.com.