tethertools.nl - robtex.com

tethertools.nl

DNSSEC⚠️ Not signed
A5.157.87.204🇳🇱 CLDIN-NL5.157.80.0/21
PTRredirect.yourhosting.nl
NSns3.firstfind.nl
A2a01:b940:1057::53🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRns3.firstfind.nl
A5.157.86.222🇳🇱 CLDIN-NL5.157.80.0/21
PTRns3.firstfind.nl
NSns4.firstfind.nl
A2a01:b940:1057::54🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
A5.157.87.222🇳🇱 CLDIN-NL5.157.80.0/21
PTRns4.firstfind.nl
NSns5.firstfind.net
A2a03:b0c0:2:d0::1183:f001🇳🇱 DIGITALOCEAN2a03:b0c0:2::/48 DigitalOcean
PTRns5.firstfind.net
A178.128.248.2🇳🇱 DIGITALOCEAN178.128.240.0/20
PTRns5.firstfind.net
MXprimary.yourfilter.nl
A2a01:b941:2::23🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse23-yh.route25.eu
A2a01:b941:2::24🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse22-yh.route25.eu
A2a01:b941:2::25🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse21-yh.route25.eu
A2a01:b941:2::26🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse20-yh.route25.eu
A2a01:b941:2::27🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse19-yh.route25.eu
A2a01:b941:2::28🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse18-yh.route25.eu
A2a01:b941:2::29🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse17-yh.route25.eu
A2a01:b941:2::30🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse16-yh.route25.eu
A2a05:1500:702:9:1c00:2aff:fe00:5554🇳🇱 CLDIN-NL2a05:1500::/29
PTRse28-yh.route25.eu
A2a05:1500:702:9:1c00:7fff:fe00:5556🇳🇱 CLDIN-NL2a05:1500::/29
PTRse30-yh.route25.eu
A2a05:1500:702:9:1c00:a3ff:fe00:5558🇳🇱 CLDIN-NL2a05:1500::/29
PTRse26-yh.route25.eu
A2a05:1500:702:9:1c00:a5ff:fe00:5553🇳🇱 CLDIN-NL2a05:1500::/29
PTRse27-yh.route25.eu
A2a05:1500:702:9:1c00:f0ff:fe00:5555🇳🇱 CLDIN-NL2a05:1500::/29
PTRse29-yh.route25.eu
A185.103.241.20🇳🇱 CLDIN-NL185.103.240.0/22
PTRse27-yh.route25.eu
A185.103.241.21🇳🇱 CLDIN-NL185.103.240.0/22
PTRse28-yh.route25.eu
A185.103.241.22🇳🇱 CLDIN-NL185.103.240.0/22
PTRse29-yh.route25.eu
A185.103.241.23CLDIN-NL185.103.240.0/22
A185.103.241.25
A185.223.33.23
A185.223.33.24
A185.223.33.27
A185.223.33.28
A185.223.33.29
A185.223.33.30
MXfallback.yourfilter.nl(20)
A2a01:b941:2::23🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse23-yh.route25.eu
A2a01:b941:2::24🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse22-yh.route25.eu
A2a01:b941:2::28🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse18-yh.route25.eu
A2a01:b941:2::29🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse17-yh.route25.eu
A2a01:b941:2::30🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING
PTRse16-yh.route25.eu
A2a05:1500:702:9:1c00:7fff:fe00:5556🇳🇱 CLDIN-NL2a05:1500::/29
PTRse30-yh.route25.eu
A2a05:1500:702:9:1c00:f0ff:fe00:5555🇳🇱 CLDIN-NL2a05:1500::/29
PTRse29-yh.route25.eu
A185.103.241.22🇳🇱 CLDIN-NL185.103.240.0/22
PTRse29-yh.route25.eu
A185.103.241.23CLDIN-NL185.103.240.0/22
A185.223.33.23
A185.223.33.25
A185.223.33.26
A185.223.33.27
A185.223.33.30
TXTv=spf1 a mx include:_spf.yourfilter.nl -all
SOAns3.firstfind.nlhostmaster@firstfind.nl 2022-07-12 #0

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-07-07 11:00:01 +0000 (EPOCH 1783422001)
SOAns1.dns.nldns@sidn.nl 2026-07-07 #22

Subdomains

Same first word

Similar names

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSns3.firstfind.nlns4.firstfind.nlns5.firstfind.netns01.webdsign.nlns02.webdsign.nlMXfallback.yourfilter.nlprimary.yourfilter.nlmail.tethertools.nlmx1.firstfind.nlmx2.firstfind.nlserver29.firstfind.nlA5.157.87.20437.97.234.5782.94.213.226
NSns01.webdsign.nl2015-07-04 → 2016-04-26 · 4 obs
● 2015-07-04 20:52:34
● 2016-04-26 22:46:24
○ 2017-02-20 03:59:36
○ 2026-07-07 11:47:26
NSns02.webdsign.nl2015-07-04 → 2016-04-26 · 4 obs
● 2015-07-04 20:52:34
● 2016-04-26 22:46:24
○ 2017-02-20 03:59:36
○ 2026-07-07 11:47:26
NSns3.firstfind.nl2017-02-20 → 2026-07-07 · 3 obs
○ 2016-04-26 22:46:24
● 2017-02-20 03:59:36
● 2026-07-07 11:47:26
NSns4.firstfind.nl2017-02-20 → 2026-07-07 · 3 obs
○ 2016-04-26 22:46:24
● 2017-02-20 03:59:36
● 2026-07-07 11:47:26
NSns5.firstfind.net2017-02-20 → 2026-07-07 · 3 obs
○ 2016-04-26 22:46:24
● 2017-02-20 03:59:36
● 2026-07-07 11:47:26
MXfallback.yourfilter.nl2026-06-13 → 2026-07-07 · 3 obs
○ 2020-02-09 04:02:10
● 2026-06-13 03:13:54
● 2026-07-07 11:47:26
MXmail.tethertools.nl2015-07-04 → 2016-04-26 · 4 obs
● 2015-07-04 20:52:34
● 2016-04-26 22:46:24
○ 2017-02-20 03:59:36
○ 2026-07-07 11:47:26
MXmx1.firstfind.nl2017-02-20 → 2017-02-20 · 4 obs
○ 2016-04-26 22:46:24
● 2017-02-20 03:59:36
○ 2020-02-09 04:02:10
○ 2026-07-07 11:47:26
MXmx2.firstfind.nl2017-02-20 → 2017-02-20 · 4 obs
○ 2016-04-26 22:46:24
● 2017-02-20 03:59:36
○ 2020-02-09 04:02:10
○ 2026-07-07 11:47:26
MXprimary.yourfilter.nl2026-06-13 → 2026-07-07 · 3 obs
○ 2020-02-09 04:02:10
● 2026-06-13 03:13:54
● 2026-07-07 11:47:26
MXserver29.firstfind.nl2017-02-20 → 2020-02-09 · 5 obs
○ 2016-04-26 22:46:24
● 2017-02-20 03:59:36
● 2020-02-09 04:02:10
○ 2026-06-13 03:13:54
○ 2026-07-07 11:47:26
A37.97.234.572017-02-20 → 2020-02-09 · 5 obs
○ 2016-04-26 22:46:24
● 2017-02-20 03:59:36
● 2020-02-09 04:02:10
○ 2026-06-13 03:13:54
○ 2026-07-07 11:47:26
A5.157.87.2042026-06-13 → 2026-07-07 · 3 obs
○ 2020-02-09 04:02:10
● 2026-06-13 03:13:54
● 2026-07-07 11:47:26
A82.94.213.2262015-07-04 → 2016-04-26 · 4 obs
● 2015-07-04 20:52:34
● 2016-04-26 22:46:24
○ 2017-02-20 03:59:36
○ 2026-07-07 11:47:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
tethertools.nlns3.firstfind.nl, ns4.firstfind.nl, ns5.firstfind.net-

✅ Authoritative Response

Server:178.128.248.2

NS records: ns3.firstfind.nl, ns4.firstfind.nl, ns5.firstfind.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1859ms | Queries: -

📄 Records

TypeCountSample Data
A15.157.87.204
NS3ns5.firstfind.net, ns4.firstfind.nl...
MX2fallback.yourfilter.nl (pri: 20), primary.yourfilter.nl (pri: 10)
TXT1v=spf1 a mx include:_spf.yourfilter.nl -
SOA1ns3.firstfind.nl hostmaster.firstfind.nl

Analysis

Hierarchy

mail.tethertools.nl is delegated beneath tethertools.nl.

IP Addresses

tethertools.nl has exactly one IP address — 5.157.87.204.

vhru.nl, chalfa.eu, vbms.com plus two other host names have IP numbers in common with tethertools.nl.

Name Servers

tethertools.nl carries NS records delegating to ns5.firstfind.net, ns3.firstfind.nl and ns4.firstfind.nl.

There is at least partial name server overlap between tethertools.nl and other domains — benelec.com, mexwall.com, insulcon.de and two more among them.

ns5.firstfind.net, ns3.firstfind.nl and ns4.firstfind.nl are three hostnames that each resolve to a pair of IP addresses: ns5.firstfind.net to 178.128.248.2 and 2a03:b0c0:2:d0::1183:f001, ns3.firstfind.nl to 5.157.86.222 and 2a01:b940:1057::53, and ns4.firstfind.nl to 5.157.87.222 and 2a01:b940:1057::54.

Mail Servers

tethertools.nl uses two mail servers, fallback.yourfilter.nl and primary.yourfilter.nl.

The mail server setup of tethertools.nl matches that of other domains such as flangemanagement.fr, pluspuntmedischcentrum.nl, a-k-h.nl and two others.

tethertools.nl and a number of other domains — fluger.eu, mooivoorelkaar.com, hoteldoria.nl and mysin.eu among them — share at least some of the same mail servers.

Hosts with 24 IP addresses each:

primary.yourfilter.nl resolves to 185.103.241.20, 185.103.241.21 and 185.103.241.22 among others, with 21 other IP addresses in total.

Hosts with 14 IP addresses each:

fallback.yourfilter.nl resolves to 185.103.241.22, 185.103.241.23 and 185.223.33.23 among others, with 11 other IP addresses in total.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 2a01:b941:2::23 IP addresses.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 2a01:b941:2::24 IP addresses.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 2a01:b941:2::28 IP addresses.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 2a01:b941:2::29 IP addresses.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 2a01:b941:2::30 IP addresses.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 2a05:1500:702:9:1c00:7fff:fe00:5556 IP addresses.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 2a05:1500:702:9:1c00:f0ff:fe00:5555 IP addresses.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 185.103.241.22 IP addresses.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 185.103.241.23 IP addresses.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 185.223.33.23 IP addresses.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 185.223.33.27 IP addresses.

primary.yourfilter.nl along with fallback.yourfilter.nl each resolve to 185.223.33.30 IP addresses.