securitychallenges.nl - robtex.com

securitychallenges.nl

DNSSEC๐Ÿ”’ Signed (DS record present)
A37.97.254.27๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRreserved.transip.nl
NSns0.transip.net โญ ๐Ÿ”’
A2a01:7c8:dddd:195::195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns0.transip.net
A195.135.195.195๐Ÿ‡ฎ๐Ÿ‡น TRANSIP-AS195.135.195.0/24 TransIP B.V.
PTRns0.transip.net
NSns1.transip.nl ๐Ÿ”’
A2a01:7c8:7000:195::195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns1.transip.nl
A195.8.195.195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS195.8.195.0/24 TransIP B.V.
PTRns1.transip.nl
NSns2.transip.eu ๐Ÿ”’
A2a01:7c8:f:c1f::195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns2.transip.eu
A37.97.199.195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRns2.transip.eu
MXsmtp.xsoc.nl โญ
A95.216.117.135๐Ÿ‡ซ๐Ÿ‡ฎ Hetzner95.216.0.0/16 HETZNER-DC
PTRimap.xsoc.nl
MXrelay.transip.nl(20)
A2a01:7c8:7c8::12๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRrelay0.transip.nl
A2a01:7c8:7c8::29๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRrelay1.transip.nl
A149.210.149.12๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS149.210.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRrelay0.transip.nl
A149.210.149.29๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS149.210.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRrelay1.transip.nl
TXTv=spf1 a:smtp.xsoc.nl ~all
SOAns0.transip.nethostmaster@transip.nl 2021-06-24 #0

nl

DNSSEC๐Ÿ”’ Signed (DS record present)
NSns1.dns.nl โญ ๐Ÿ”’
NSns3.dns.nl ๐Ÿ”’
NSns4.dns.nl ๐Ÿ”’
TXTnl zone update: 2026-03-15 06:00:02 +0000 (EPOCH 1773554402)
SOAns1.dns.nldns@sidn.nl 2026-03-15 #12

Same first word

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns0.transip.netns1.transip.nlns2.transip.euMXrelay.transip.nlsmtp.xsoc.nlgrey.echa.nlmail.secuenzo.comA37.97.254.27212.83.221.192212.83.221.19580.127.148.172
โ—NSns0.transip.net2015-07-01 โ†’ 2026-03-23 ยท 2 obs
โ— 2015-07-01 07:38:02
โ— 2026-03-23 10:41:52
โ—NSns1.transip.nl2015-07-01 โ†’ 2026-03-23 ยท 2 obs
โ— 2015-07-01 07:38:02
โ— 2026-03-23 10:41:52
โ—NSns2.transip.eu2015-07-01 โ†’ 2026-03-23 ยท 2 obs
โ— 2015-07-01 07:38:02
โ— 2026-03-23 10:41:52
โ—‹MXgrey.echa.nl2017-09-30 โ†’ 2017-09-30 ยท 4 obs
โ—‹ 2016-12-29 09:54:52
โ— 2017-09-30 11:11:34
โ—‹ 2026-03-21 05:18:24
โ—‹ 2026-03-23 10:41:52
โ—‹MXmail.secuenzo.com2015-07-01 โ†’ 2016-12-29 ยท 4 obs
โ— 2015-07-01 07:38:02
โ— 2016-12-29 09:54:52
โ—‹ 2017-09-30 11:11:34
โ—‹ 2026-03-23 10:41:52
โ—MXrelay.transip.nl2017-09-30 โ†’ 2026-03-23 ยท 3 obs
โ—‹ 2016-12-29 09:54:52
โ— 2017-09-30 11:11:34
โ— 2026-03-23 10:41:52
โ—MXsmtp.xsoc.nl2026-03-21 โ†’ 2026-03-23 ยท 3 obs
โ—‹ 2017-09-30 11:11:34
โ— 2026-03-21 05:18:24
โ— 2026-03-23 10:41:52
โ—‹A212.83.221.1922015-07-01 โ†’ 2016-01-24 ยท 4 obs
โ— 2015-07-01 07:38:02
โ— 2016-01-24 21:45:22
โ—‹ 2016-04-23 05:53:34
โ—‹ 2026-03-23 10:41:52
โ—‹A212.83.221.1952016-04-23 โ†’ 2016-12-29 ยท 5 obs
โ—‹ 2016-01-24 21:45:22
โ— 2016-04-23 05:53:34
โ— 2016-12-29 09:54:52
โ—‹ 2017-09-30 11:11:34
โ—‹ 2026-03-23 10:41:52
โ—A37.97.254.272026-03-21 โ†’ 2026-03-23 ยท 3 obs
โ—‹ 2017-09-30 11:11:34
โ— 2026-03-21 05:18:24
โ— 2026-03-23 10:41:52
โ—‹A80.127.148.1722017-09-30 โ†’ 2017-09-30 ยท 4 obs
โ—‹ 2016-12-29 09:54:52
โ— 2017-09-30 11:11:34
โ—‹ 2026-03-21 05:18:24
โ—‹ 2026-03-23 10:41:52

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns4.dns.nl, ns1.dns.nl-
securitychallenges.nlns0.transip.net, ns2.transip.eu, ns1.transip.nl2 records

โœ… Authoritative Response

Server:195.135.195.195

NS records: ns0.transip.net, ns2.transip.eu, ns1.transip.nl

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 625ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A137.97.254.27
NS3ns0.transip.net, ns2.transip.eu...
MX2smtp.xsoc.nl (pri: 10), relay.transip.nl (pri: 20)
TXT1v=spf1 a:smtp.xsoc.nl ~all
SOA1ns0.transip.net hostmaster.transip.nl

๐Ÿ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.transip.nl, ns1.transip.nl)

Analysis

IP Addresses

securitychallenges.nl points to a single IP number: 37.97.254.27.

Other host names, for instance taksatieschaal.nl, flinders.es, debaasis.com, meteostream.com and sstm.nl share IP numbers with securitychallenges.nl.

Name Servers

The delegation for securitychallenges.nl is handled by three name servers: ns2.transip.eu, ns0.transip.net and ns1.transip.nl.

securitychallenges.nl at least partially shares name servers with other domains, for instance wall.nl, adactio.net, zies.nl, h2ojob.nl and metselmix.nl.

Two IP numbers per host:

ns2.transip.eu points to 2a01:7c8:f:c1f::195 and 37.97.199.195.

ns0.transip.net points to 2a01:7c8:dddd:195::195 and 195.135.195.195.

ns1.transip.nl points to 2a01:7c8:7000:195::195 and 195.8.195.195.

Mail Servers

securitychallenges.nl is handled by two mail servers: relay.transip.nl and smtp.xsoc.nl.

securitychallenges.nl uses the same mail server configuration as other domains, such as echa.nl, crackthecode.nl, jeffeny.com, secuenzo.nl and secalert.nl.

securitychallenges.nl shares mail servers with other domains at least in part, for instance catchupplayer.co.uk, jtzadministratie.com, fletcheractie.nl, backup-factory.com and gpsalarmsysteem.nl.

These mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and mail.diningcity.com.

Host names with four IP numbers: relay.transip.nl points to 2a01:7c8:7c8::12, 2a01:7c8:7c8::29, 149.210.149.12 and 149.210.149.29.

Host names with one IP number: smtp.xsoc.nl points to 95.216.117.135.