usar.nl - robtex.com

usar.nl

DNSSEC⚠️ Not signed
A2a06:1480:5ec:b30::1b:1001🇳🇱 acknowledge-bc2a06:1480::/29 Acknowledge Benelux B.V. a.k.a. Acknowledge Business Cloud a.k.a. Acknowledge Cloud
PTRpowered-by-acknowledge.as200569.net
A2a06:1480:5ec:b30::1b:1002🇳🇱 acknowledge-bc2a06:1480::/29 Acknowledge Benelux B.V. a.k.a. Acknowledge Business Cloud a.k.a. Acknowledge Cloud
A185.99.205.201🇳🇱 acknowledge-bc185.99.204.0/22 Acknowledge Benelux B.V. a.k.a. Acknowledge Business Cloud a.k.a. Acknowledge Cloud
A185.99.205.202🇳🇱 acknowledge-bc185.99.204.0/22 Acknowledge Benelux B.V. a.k.a. Acknowledge Business Cloud a.k.a. Acknowledge Cloud
NSns1.dnstools.nl ⭐
A2a02:728:e:66::100🇳🇱 UNISERVER-AS2a02:728::/32
PTRns1.dnstools.nl
A81.26.219.100🇳🇱 UNISERVER-AS81.26.208.0/20
PTRns1.dnstools.nl
NSns2.dnstools.nl
A2a02:728:e:758::160🇳🇱 UNISERVER-AS2a02:728::/32
PTRns2.dnstools.nl
A81.26.208.160🇳🇱 UNISERVER-AS81.26.208.0/20
PTRns2.dnstools.nl
MXmx1.bit.nl ⭐
A2001:7b8:3:5::25:5🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands
PTRmx.bit.nl
A213.136.12.237🇳🇱 NL-BIT213.136.0.0/19 BIT B.V.
PTRmx.lb.network.bit.nl
MXmx2.bit.nl ⭐
A2001:7b8:3:5::25:5🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands
PTRmx.bit.nl
A213.136.12.237🇳🇱 NL-BIT213.136.0.0/19 BIT B.V.
PTRmx.lb.network.bit.nl
MXmx3.bit.org ⭐
A2001:7b8:3:5::25:8🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands
PTRmx3.bit.org
A213.136.12.235🇳🇱 NL-BIT213.136.0.0/19 BIT B.V.
PTRmx3.lb.network.bit.nl
TXTv=spf1 a a:mailoutgoing.swis.nl include:spf-breaks-email.bit.nl ~all
SOAns1.dnstools.nlwebmaster@nifv.nl 2023-11-08 #0

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-05-14 02:30:02 +0000 (EPOCH 1778725802)
SOAns1.dns.nldns@sidn.nl 2026-05-14 #5
WOT: SAFE (61/100)

Same first word

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ursa.be
uars.info
arsu.nl
sura.com.ve
raus.info
arsu.org
uras.de
arus.eu
arus.spb.ru

DNS History

20 records (9 active, 11 former)

20162017201820192020202120222023202420252026NSns1.dnstools.nlns2.dnstools.nlns1.nifv.nlns1.swis.nlns2.nifv.nlns2.swis.nlns3.swis.nlMXmx1.bit.nlmx2.bit.nlmx3.bit.orgfallback.true.nlmail.usar.nlspamx-fallback.easyhosting.nlspamx.easyhosting.nlA185.99.205.201185.99.205.2022a06:1480:5ec:b30::1b:10012a06:1480:5ec:b30::1b:100281.26.219.10187.233.240.6
●NSns1.dnstools.nl2026-04-27 → 2026-05-14 · 3 obs
○ 2016-09-04 12:05:38
● 2026-04-27 18:01:58
● 2026-05-14 03:00:06
○NSns1.nifv.nl2015-06-20 → 2016-07-15 · 4 obs
● 2015-06-20 11:26:48
● 2016-07-15 01:01:26
○ 2016-09-04 12:05:38
○ 2026-05-14 03:00:06
○NSns1.swis.nl2016-09-04 → 2016-09-04 · 4 obs
○ 2016-07-15 01:01:26
● 2016-09-04 12:05:38
○ 2026-04-27 18:01:58
○ 2026-05-14 03:00:06
●NSns2.dnstools.nl2026-04-27 → 2026-05-14 · 3 obs
○ 2016-09-04 12:05:38
● 2026-04-27 18:01:58
● 2026-05-14 03:00:06
○NSns2.nifv.nl2015-06-20 → 2016-07-15 · 4 obs
● 2015-06-20 11:26:48
● 2016-07-15 01:01:26
○ 2016-09-04 12:05:38
○ 2026-05-14 03:00:06
○NSns2.swis.nl2016-09-04 → 2016-09-04 · 4 obs
○ 2016-07-15 01:01:26
● 2016-09-04 12:05:38
○ 2026-04-27 18:01:58
○ 2026-05-14 03:00:06
○NSns3.swis.nl2016-09-04 → 2016-09-04 · 4 obs
○ 2016-07-15 01:01:26
● 2016-09-04 12:05:38
○ 2026-04-27 18:01:58
○ 2026-05-14 03:00:06
○MXfallback.true.nl2016-09-04 → 2016-09-04 · 4 obs
○ 2016-07-15 01:01:26
● 2016-09-04 12:05:38
○ 2026-04-27 18:01:58
○ 2026-05-14 03:00:06
○MXmail.usar.nl2016-09-04 → 2016-09-04 · 4 obs
○ 2016-07-15 01:01:26
● 2016-09-04 12:05:38
○ 2026-04-27 18:01:58
○ 2026-05-14 03:00:06
●MXmx1.bit.nl2026-04-27 → 2026-05-14 · 3 obs
○ 2016-09-04 12:05:38
● 2026-04-27 18:01:58
● 2026-05-14 03:00:06
●MXmx2.bit.nl2026-04-27 → 2026-05-14 · 3 obs
○ 2016-09-04 12:05:38
● 2026-04-27 18:01:58
● 2026-05-14 03:00:06
●MXmx3.bit.org2026-04-27 → 2026-05-14 · 3 obs
○ 2016-09-04 12:05:38
● 2026-04-27 18:01:58
● 2026-05-14 03:00:06
○MXspamx-fallback.easyhosting.nl2015-06-20 → 2016-07-15 · 4 obs
● 2015-06-20 11:26:48
● 2016-07-15 01:01:26
○ 2016-09-04 12:05:38
○ 2026-05-14 03:00:06
○MXspamx.easyhosting.nl2015-06-20 → 2016-07-15 · 4 obs
● 2015-06-20 11:26:48
● 2016-07-15 01:01:26
○ 2016-09-04 12:05:38
○ 2026-05-14 03:00:06
●A185.99.205.2012026-04-27 → 2026-05-14 · 3 obs
○ 2016-09-04 12:05:38
● 2026-04-27 18:01:58
● 2026-05-14 03:00:06
●A185.99.205.2022026-04-27 → 2026-05-14 · 3 obs
○ 2016-09-04 12:05:38
● 2026-04-27 18:01:58
● 2026-05-14 03:00:06
●A2a06:1480:5ec:b30::1b:10012026-04-27 → 2026-05-14 · 3 obs
○ 2016-09-04 12:05:38
● 2026-04-27 18:01:58
● 2026-05-14 03:00:06
●A2a06:1480:5ec:b30::1b:10022026-04-27 → 2026-05-14 · 3 obs
○ 2016-09-04 12:05:38
● 2026-04-27 18:01:58
● 2026-05-14 03:00:06
○A81.26.219.1012015-06-20 → 2016-07-15 · 4 obs
● 2015-06-20 11:26:48
● 2016-07-15 01:01:26
○ 2016-09-04 12:05:38
○ 2026-05-14 03:00:06
○A87.233.240.62016-09-04 → 2016-09-04 · 4 obs
○ 2016-07-15 01:01:26
● 2016-09-04 12:05:38
○ 2026-04-27 18:01:58
○ 2026-05-14 03:00:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
usar.nlns1.dnstools.nl, ns2.dnstools.nl4 records

✅ Authoritative Response

Server:81.26.219.100

NS records: ns1.dnstools.nl, ns2.dnstools.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1172ms | Queries: -

📄 Records

TypeCountSample Data
A2185.99.205.202, 185.99.205.201
AAAA22a06:1480:5ec:b30::1b:1002, 2a06:1480:5ec:b30::1b:1001
NS2ns2.dnstools.nl, ns1.dnstools.nl
MX3mx3.bit.org (pri: 10), mx2.bit.nl (pri: 10)...
TXT1v=spf1 a a:mailoutgoing.swis.nl include:
SOA1ns1.dnstools.nl webmaster.nifv.nl

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dnstools.nl, ns2.dnstools.nl, ns1.dnstools.nl...)

Analysis

IP Addresses

usar.nl points to four IP numbers: 2a06:1480:5ec:b30::1b:1001, 2a06:1480:5ec:b30::1b:1002, 185.99.205.201 and 185.99.205.202.

Other host names including s82.nedstars.nl, www.nifv.nl, sav3.nedstars.nl, s58.nedstars.nl and sav8.nedstars.nl share IP numbers with usar.nl.

Name Servers

usar.nl's delegation uses two name servers, ns1.dnstools.nl and ns2.dnstools.nl.

usar.nl shares the same name server setup as other domains, for example cartoyz.nl, dfta.nl, e-cb.nl, raboprank.com and sonoratours.com.

usar.nl at least partially shares name servers with other domains, including mlaplus.biz, zagerij.nl, vleesserviceuden.nl, oudevloeren.nl and desmeetsjes.nl.

these name servers are commonly used together with ns1.dnsman.nl, ns1.data2biz.nl and ns2.data2biz.nl.

Host names with two IPs:

ns1.dnstools.nl points to: 2a02:728:e:66::100 and 81.26.219.100

ns2.dnstools.nl points to: 2a02:728:e:758::160 and 81.26.208.160

Mail Servers

usar.nl is handled by three mail servers: mx1.bit.nl, mx2.bit.nl and mx3.bit.org.

The mail servers for usar.nl are shared with other domains, for instance bignl.nl, rawonline.nl, middelkoopkeukens.nl, toegangsbeveiliging.nl and motip.nl.

These mail servers are often used together with mx3.bitnl.eu, mx3.bit.nl and moonv-1.kerio.bit.nl.

Host names with two IP numbers:

mx1.bit.nl points to 2001:7b8:3:5::25:5 and 213.136.12.237.

mx2.bit.nl points to 2001:7b8:3:5::25:5 and 213.136.12.237.

mx3.bit.org points to 2001:7b8:3:5::25:8 and 213.136.12.235.

Host names pointing to 2001:7b8:3:5::25:5: mx1.bit.nl and mx2.bit.nl.

Host names pointing to 213.136.12.237: mx1.bit.nl and mx2.bit.nl.