`sharpandsmart.nl`

DNSSEC	🔒 Signed (DS record present)
A	2a01:7c8:aacb:281::1^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
A	136.144.178.177^{🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands}
NS	`ns0.transip.net` ⭐
		A	2a01:7c8:dddd:195::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns0.transip.net`
		A	195.135.195.195^{🇮🇹 TRANSIP-AS195.135.195.0/24 TransIP B.V.}
			PTR	`ns0.transip.net`
NS	`ns1.transip.nl`
		A	2a01:7c8:7000:195::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns1.transip.nl`
		A	195.8.195.195^{🇳🇱 TRANSIP-AS195.8.195.0/24 TransIP B.V.}
			PTR	`ns1.transip.nl`
NS	`ns2.transip.eu`
		A	2a01:7c8:f:c1f::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns2.transip.eu`
		A	37.97.199.195^{🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands}
			PTR	`ns2.transip.eu`
MX	`sharpandsmart-nl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`MS=ms49924333`
TXT	`v=spf1 include:spf.protection.outlook.com include:carerix.net include:_spf.xp...`
SOA	`ns0.transip.net`hostmaster@transip.nl 2023-04-05 #1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-26 05:00:02 +0000 (EPOCH 1777179602)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-26 #10

Subdomains

ns.sharpandsmart.nl

mail.sharpandsmart.nl

Same first word

sharpandsmart.nl

sharpandsmart.com

DNS History

14 records (6 active, 8 former)

○NSns.sharpandsmart.nl2015-06-23 → 2015-06-23 · 3 obs

● 2015-06-23 07:00:54
○ 2015-11-04 10:48:50
○ 2026-04-26 05:51:44

●NSns0.transip.net2026-02-19 → 2026-04-26 · 3 obs

○ 2018-01-03 03:09:16
● 2026-02-19 11:00:16
● 2026-04-26 05:51:44

○NSns1.openprovider.nl2015-11-04 → 2018-01-03 · 5 obs

○ 2015-06-23 07:00:54
● 2015-11-04 10:48:50
● 2018-01-03 03:09:16
○ 2026-02-19 11:00:16
○ 2026-04-26 05:51:44

●NSns1.transip.nl2026-02-19 → 2026-04-26 · 3 obs

○ 2018-01-03 03:09:16
● 2026-02-19 11:00:16
● 2026-04-26 05:51:44

○NSns2.openprovider.be2015-11-04 → 2018-01-03 · 5 obs

○ 2015-06-23 07:00:54
● 2015-11-04 10:48:50
● 2018-01-03 03:09:16
○ 2026-02-19 11:00:16
○ 2026-04-26 05:51:44

●NSns2.transip.eu2026-02-19 → 2026-04-26 · 3 obs

○ 2018-01-03 03:09:16
● 2026-02-19 11:00:16
● 2026-04-26 05:51:44

○NSns3.openprovider.eu2015-11-04 → 2018-01-03 · 5 obs

○ 2015-06-23 07:00:54
● 2015-11-04 10:48:50
● 2018-01-03 03:09:16
○ 2026-02-19 11:00:16
○ 2026-04-26 05:51:44

○MXmail.sharpandsmart.nl2015-06-23 → 2015-06-23 · 3 obs

● 2015-06-23 07:00:54
○ 2015-11-04 10:48:50
○ 2026-04-26 05:51:44

●MXsharpandsmart-nl.mail.protection.outlook.com2015-11-04 → 2026-04-26 · 3 obs

○ 2015-06-23 07:00:54
● 2015-11-04 10:48:50
● 2026-04-26 05:51:44

●A136.144.178.1772026-02-19 → 2026-04-26 · 3 obs

○ 2018-01-03 03:09:16
● 2026-02-19 11:00:16
● 2026-04-26 05:51:44

○A178.18.91.1042015-06-23 → 2015-06-23 · 3 obs

● 2015-06-23 07:00:54
○ 2015-11-04 10:48:50
○ 2026-04-26 05:51:44

●A2a01:7c8:aacb:281::12026-02-19 → 2026-04-26 · 3 obs

○ 2018-01-03 03:09:16
● 2026-02-19 11:00:16
● 2026-04-26 05:51:44

○A81.169.156.252015-11-04 → 2017-01-07 · 5 obs

○ 2015-06-23 07:00:54
● 2015-11-04 10:48:50
● 2017-01-07 23:27:52
○ 2018-01-03 03:09:16
○ 2026-04-26 05:51:44

○A85.214.54.1502018-01-03 → 2018-01-03 · 4 obs

○ 2017-01-07 23:27:52
● 2018-01-03 03:09:16
○ 2026-02-19 11:00:16
○ 2026-04-26 05:51:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
sharpandsmart.nl	ns0.transip.net, ns1.transip.nl, ns2.transip.eu	2 records

✅ Authoritative Response

Server:195.135.195.195

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 630ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.144.178.177`
AAAA	1	`2a01:7c8:aacb:281::1`
NS	3	`ns2.transip.eu, ns0.transip.net...`
MX	1	`sharpandsmart-nl.mail.protection.outlook`
TXT	2	`MS=ms49924333, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns0.transip.net hostmaster.transip.nl`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

sharpandsmart.nl is the parent of ns.sharpandsmart.nl and mail.sharpandsmart.nl.

IP Addresses

sharpandsmart.nl resolves to two IP numbers: 2a01:7c8:aacb:281::1 and 136.144.178.177.

Other host names, for instance studentselect.nl, mail.studentselect.work, work.studentselect.work, 136-144-178-177.colo.transip.net and studentselect.work.studentselect.work share IP numbers with sharpandsmart.nl.

Name Servers

sharpandsmart.nl delegates to three name servers: ns2.transip.eu, ns0.transip.net and ns1.transip.nl.

sharpandsmart.nl shares some name servers with other domains, for example scan-track.eu, benvanderzee.nl, parkinsonnet.info, 135.4.185.in-addr.arpa and sd-lab.nl.

Host names with two IP numbers:

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

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

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

Mail Servers

sharpandsmart.nl is handled by a single mail server, sharpandsmart-nl.mail.protection.outlook.com.

Host sharpandsmart-nl.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::d, 52.101.68.8, 52.101.73.4, 52.101.73.16 and 52.101.73.153.

sharpandsmart.nl - robtex.com