isco3.nl - robtex.com

isco3.nl

DNSSEC๐Ÿ”’ Signed (DS record present)
A161.51.66.9๐Ÿ‡ณ๐Ÿ‡ฑ AS-EUROFIBER161.51.64.0/19
PTR161-51-66-9.static.ef-service.nl
NSnsauth1.introweb.nl โญ
A2001:1690:1:a::a๐Ÿ‡ณ๐Ÿ‡ฑ PREVIDER-AS2001:1690::/32 NL-PREVIDER-IPV6
PTRnsauth1.introweb.nl
A80.65.96.48๐Ÿ‡ณ๐Ÿ‡ฑ PREVIDER-AS80.65.96.0/19 Previder BV - NL
PTRnsauth1.introweb.nl
NSnsauth2.introweb.nl
A2a0d:8600:1::5a๐Ÿ‡ณ๐Ÿ‡ฑ DCSPINE2a0d:8600::/29
PTRnsauth2.introweb.nl
A86.105.160.91๐Ÿ‡บ๐Ÿ‡ธ DCSPINE86.105.160.0/22
PTRnsauth2.introweb.nl
NSnsauth3.introweb.net
A2001:1690:1:c::a๐Ÿ‡ณ๐Ÿ‡ฑ PREVIDER-AS2001:1690::/32 NL-PREVIDER-IPV6
PTRnsauth3.introweb.net
A62.165.127.221๐Ÿ‡ณ๐Ÿ‡ฑ PREVIDER-AS62.165.64.0/18 Previder BV - NL
PTRnsauth3.introweb.net
MXisco3-nl.mail.protection.outlook.com โญ
A2a01:111:f403:ca04::1๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:ca04::b๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-dbbpr03cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca09::2๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am0pr83cu00402.inbound.protection.outlook.com
A2a01:111:f403:ca09::f๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00307.inbound.protection.outlook.com
A52.101.68.16๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.73.4๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr83cu00404.inbound.protection.outlook.com
A52.101.73.16๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A52.101.73.26๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr05cu01302.inbound.protection.outlook.com
TXTMS=ms33877782
TXTMJtn8kOS0alt27CMlUf4CEbwFJN4FIHJKPL6wxHjyHuPcou1G8q3cJHghLBVz/tSS68EWgy8LCI0P...
TXTv=spf1 ip4:84.241.177.49 include:_spf.previder.nl a:mail.ntp-groep.nl include...
SOAnsauth1.introweb.nlpostmaster@introweb.nl 2022-10-11 #1

nl

DNSSEC๐Ÿ”’ Signed (DS record present)
NSns1.dns.nl โญ
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-05-12 20:00:02 +0000 (EPOCH 1778616002)
SOAns1.dns.nldns@sidn.nl 2026-05-12 #39

Subdomains

Same first word

Similar names

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSnsauth1.introweb.nlnsauth2.introweb.nlnsauth3.introweb.netns.isco3.nlns1london.deindruk.nlns1newyork.deindruk.nlMXisco3-nl.mail.protection.outlook.commail.isco3.nlrelay.introweb.nlA161.51.66.9176.62.168.216
โ—‹NSns.isco3.nl2015-07-18 โ†’ 2015-07-18 ยท 3 obs
โ— 2015-07-18 23:17:08
โ—‹ 2015-11-14 18:45:52
โ—‹ 2026-05-12 20:33:58
โ—‹NSns1london.deindruk.nl2015-07-18 โ†’ 2015-07-18 ยท 3 obs
โ— 2015-07-18 23:17:08
โ—‹ 2015-11-14 18:45:52
โ—‹ 2026-05-12 20:33:58
โ—‹NSns1newyork.deindruk.nl2015-07-18 โ†’ 2015-07-18 ยท 3 obs
โ— 2015-07-18 23:17:08
โ—‹ 2015-11-14 18:45:52
โ—‹ 2026-05-12 20:33:58
โ—NSnsauth1.introweb.nl2015-11-14 โ†’ 2026-05-12 ยท 3 obs
โ—‹ 2015-07-18 23:17:08
โ— 2015-11-14 18:45:52
โ— 2026-05-12 20:33:58
โ—NSnsauth2.introweb.nl2015-11-14 โ†’ 2026-05-12 ยท 3 obs
โ—‹ 2015-07-18 23:17:08
โ— 2015-11-14 18:45:52
โ— 2026-05-12 20:33:58
โ—NSnsauth3.introweb.net2015-11-14 โ†’ 2026-05-12 ยท 3 obs
โ—‹ 2015-07-18 23:17:08
โ— 2015-11-14 18:45:52
โ— 2026-05-12 20:33:58
โ—MXisco3-nl.mail.protection.outlook.com2026-03-03 โ†’ 2026-05-12 ยท 3 obs
โ—‹ 2017-05-28 04:50:16
โ— 2026-03-03 19:05:54
โ— 2026-05-12 20:33:58
โ—‹MXmail.isco3.nl2015-07-18 โ†’ 2017-05-28 ยท 4 obs
โ— 2015-07-18 23:17:08
โ— 2017-05-28 04:50:16
โ—‹ 2026-03-03 19:05:54
โ—‹ 2026-05-12 20:33:58
โ—‹MXrelay.introweb.nl2015-11-14 โ†’ 2017-05-28 ยท 5 obs
โ—‹ 2015-07-18 23:17:08
โ— 2015-11-14 18:45:52
โ— 2017-05-28 04:50:16
โ—‹ 2026-03-03 19:05:54
โ—‹ 2026-05-12 20:33:58
โ—A161.51.66.92026-03-03 โ†’ 2026-05-12 ยท 3 obs
โ—‹ 2015-11-14 18:45:52
โ— 2026-03-03 19:05:54
โ— 2026-05-12 20:33:58
โ—‹A176.62.168.2162015-07-18 โ†’ 2015-07-18 ยท 3 obs
โ— 2015-07-18 23:17:08
โ—‹ 2015-11-14 18:45:52
โ—‹ 2026-05-12 20:33:58

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
isco3.nlnsauth1.introweb.nl, nsauth2.introweb.nl, nsauth3.introweb.net4 records

โœ… Authoritative Response

Server:62.165.127.221

NS records: nsauth1.introweb.nl, nsauth2.introweb.nl, nsauth3.introweb.net

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 847ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1161.51.66.9
NS3nsauth2.introweb.nl, nsauth3.introweb.net...
MX1isco3-nl.mail.protection.outlook.com (pr
TXT3v=spf1 ip4:84.241.177.49 include:_spf.pr, MS=ms33877782...
SOA1nsauth1.introweb.nl postmaster.introweb.

๐Ÿ“Œ Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (nsauth2.introweb.nl, nsauth1.introweb.nl, nsauth2.introweb.nl...)

Analysis

Hierarchy

isco3.nl is parent of mail.isco3.nl.

IP Addresses

isco3.nl points to a single IP: 161.51.66.9.

Other host names, for instance waterslag.nl, ntp.de, orbis-engineering.nl, mercuriustrading.eu and www.waterslag.nl share IP numbers with isco3.nl.

Name Servers

isco3.nl is delegated to three name servers: nsauth3.introweb.net, nsauth1.introweb.nl and nsauth2.introweb.nl.

isco3.nl at least partially shares its name servers with other domains, for instance uwshop.nl, incubatorutrecht.nl, meesvandenbrink.nl, 134.241.84.in-addr.arpa and drivingexperience.nl.

Host names with two IP numbers:

nsauth3.introweb.net points to: 2001:1690:1:c::a and 62.165.127.221.

nsauth1.introweb.nl points to: 2001:1690:1:a::a and 80.65.96.48.

nsauth2.introweb.nl points to: 2a0d:8600:1::5a and 86.105.160.91.

Mail Servers

isco3.nl is served by a single mail server, isco3-nl.mail.protection.outlook.com.

The host name isco3-nl.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::2, 2a01:111:f403:ca09::f, 52.101.68.16, 52.101.73.4, 52.101.73.16 and 52.101.73.26.