`science.uva.nl`

DNSSEC	⚠️ Not signed
NS	`gm.net.uha.nl` ⭐
		A	2001:610:159:3010::20^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`gm.net.uha.nl`
		A	145.18.116.20^{🇳🇱 UVA-NL145.18.0.0/16 UVANET1}
			PTR	`gm.net.uha.nl`
MX	`science-uva-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::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
TXT	`MS=174A3DC6053DDF5B74D91B76C09C395CDAB1EEDD`
TXT	`GzJWRq95dBM8gmzYVs7KfAY6B/JEUm0rW/8FrAqdbI03u4cBuVHcI1Ms3Smy1+sf3OAAQ3DE82tHc...`
TXT	`v=spf1 -all`
TXT	`MS=70AE1029C67F7FF07907B6359B40AE613103AE4D`
TXT	`have-i-been-pwned-verification=de81beb8a30653dba5a69f69dadc4fb1`
SOA	`gm.net.uha.nl`hostmaster@uva.nl serial=2020525760

`uva.nl`

	DNSSEC	🔒 Signed (DS record present)
	A	52.223.0.124^{🇺🇸 Amazon52.223.0.0/20}
	A	76.223.53.36^{🇺🇸 Amazon76.223.48.0/20}
	NS	`gm.net.uha.nl` ⭐
	NS	`ns1.uha.nl`
	NS	`ns1.zurich.surf.net`
	NS	`ns2.uha.nl`
	NS	`ns3.surfnet.nl`
	MX	`uva-nl.t-v1.mx.microsoft` ⭐
	TXT	`v=spf1 ip4:145.18.56.76/31 ip4:13.74.56.125 ip4:87.195.18.70 ip4:94.228.137.4...`
	TXT	`MS=ms30720995`
	TXT	`HARICA-iRdvnXUvsCenHVtW35t`
	TXT	`ZOOM_verify_5SDyNZLJSPWYTWoGkjFXog`
	TXT	`google-site-verification=XNCiP7FIhnVSl1bdy_mnhyXTkKrwx4RZvoSE398N16Y`
	TXT	`k5fwoEFArB0YP9tJBXHjfg+vHi0TBfdkL0F/lNNaMIE1HbNFmGeZAoLhjo0giV3oWbtun4LEmvhqh...`
	TXT	`atlassian-domain-verification=fgCYupj4jgwsJq920dddvuWFDvBa7KVzk4tXTPKHJbIll1Q...`
	TXT	`fJ9bgKZY7Dqugd6Tbm3M3JUMYK7j3kUQWKDPw14ZIkF0E3y/EFW3y8p1qOezGdxiQxHsxsOA7xlD9...`
	TXT	`amazonses:CyLXggQPAImSKm+6w68od2EhK8JNG4UseLcnwVy/6Rg=`
	TXT	`bjhgZnR4NeBHRjg5zqc39zKt+iyoiYs5dv6G3GipT9hqK/q0ZjPjfZhOV+GR2gbLBrtKYTcmwpc4f...`
	TXT	`google-site-verification=fx8Mt-sj-00QqB-cI_bRwu3odAnEdgU0ExBF-sg281U`
	TXT	`google-site-verification=gzDIq68FRHfFkpkqxOR7eopF9yxPHV3llfbezSftDTk`
	TXT	`brevo-code:827311f17475d789ad60ba0974d0be19`
	TXT	`mandrill_verify.3B_nbZvNtDJKVeqvNhSmEA`
	SOA	`gm.net.uha.nl`hostmaster@uva.nl serial=2020415014

WOT: SAFE (92/100)
rank #1713 globally
rank #5 in the tld
This domain name "uva.nl" represents the official website of the University of Amsterdam, a public university located in Amsterdam, Netherlands. The "uva" stands for "Universiteit van Amsterdam", which translates to University of Amsterdam in English. It provides information about the university's academic programs, research, events, and other related content for students, staff, and visitors.WOT: SAFE (88/100)
📈 Tranco rank: #5,669

PTR for

16.28.50.146.in-addr.arpa

Subdomains

huygens.science.uva.nl

minerva.science.uva.nl

sils-huygens.science.uva.nl

uwp.science.uva.nl

pc-sprik002.science.uva.nl

staff.science.uva.nl

www.science.uva.nl

tc.science.uva.nl

bombay4.science.uva.nl

itsaio.science.uva.nl

oosrv-martensmidt.science.uva.nl

dta210310.science.uva.nl

dta160012.science.uva.nl

Same first word

science.sk

science.pk

science.by

science.lv

science.spb.ru

science.gov.au

science.run

science.international

science.edu

science.bg

science.co

science.guru

science.cern

science.lu

science.chat

science.com.pl

science.co.il

science.life

science.capital

science.ge

science.gr

science.su

science.london

science.jp

science.ltd.uk

science.eu.org

science.com

science.ch

science.blog

science.guide

science.center

science.hr

science.me

science.company

science.ventures

science.dk

science.camera

science.asia

science.equipment

science.gov

science.systems

science.im

science.gc.ca

science.photos

science.fm

science.pl

science.business

science.news

science.ai

science.com.mx

science.se

science.ng

science.land

science.marketing

science.bio

science.id

science.cx

science.degree

science.fi

science.ee

science.co.jp

science.kz

science.gov.sg

science.healthcare

science.gov.tm

science.com.tw

science.net

science.fund

science.science

science.ie

science.hu

science.direct

science.clinic

science.lpages.co

science

science.gov.ru

science.abbvie

science.qa

science.org

science.ru

science.cl

science.church

science.cymru

science.io

science.org.ru

science.tv

science.network

science.mx

science.money

science.eus

science.gov.hk

science.org.ge

science.edu.kg

science.toys

science.go.kr

science.co.za

science.no

science.tools

science.trade

science.com.sg

science.biz

science.kharkov.ua

science.pictures

science.ph

science.cafe

science.supply

science.ltd

science.ceo

science.directory

science.ua

science.foundation

science.az

science.pro

science.fr

science.edu.sg

science.nl

science.ne.jp

science.fit

science.sg

science.edu.mn

science.xyz

science.co.at

science.ca

science.today

science.lgbt

science.qld.gov.au

science.ma

science.org.au

Similar names

sceince.com

cicsene.org

sceenic.co

senecic.net

ceesinc.cn

ceeisnc.com

cinesec.github.io

icsence.com

cenecis.jp

csience.com

ecencis.com

sceenic.com

escince.com

ecneics.jp

ceesinc.com

escenic.com

cinesec.com

cenesci.com

escenic.de

iccesen.org

DNS History

12 records (2 active, 10 former)

○NSdns-prod1a.uva.nl2015-05-29 → 2018-01-10 · 4 obs

● 2015-05-29 01:31:50
● 2018-01-10 21:56:22
○ 2026-02-15 13:41:34
○ 2026-04-23 21:55:20

○NSdns-prod2a.uva.nl2015-05-29 → 2018-01-10 · 4 obs

● 2015-05-29 01:31:50
● 2018-01-10 21:56:22
○ 2026-02-15 13:41:34
○ 2026-04-23 21:55:20

○NSdns-prod3a.uva.nl2015-05-29 → 2018-01-10 · 4 obs

● 2015-05-29 01:31:50
● 2018-01-10 21:56:22
○ 2026-02-15 13:41:34
○ 2026-04-23 21:55:20

○NSevertsen.ic.uva.nl2015-05-29 → 2016-06-19 · 4 obs

● 2015-05-29 01:31:50
● 2016-06-19 09:52:52
○ 2018-01-10 21:56:22
○ 2026-04-23 21:55:20

●NSgm.net.uha.nl2026-02-15 → 2026-04-23 · 3 obs

○ 2018-01-10 21:56:22
● 2026-02-15 13:41:34
● 2026-04-23 21:55:20

○NSns1.uha.nl2026-02-15 → 2026-04-16 · 60 obs

○ 2018-01-10 21:56:22
● 2026-02-15 13:41:34
● 2026-02-15 14:39:54
○ 2026-02-15 15:32:48
● 2026-02-15 16:27:18
● 2026-02-16 14:37:46
○ 2026-02-16 22:49:30
● 2026-02-16 23:26:40
○ 2026-02-17 01:16:32
● 2026-02-17 02:28:32
● 2026-02-17 09:21:44
○ 2026-02-17 10:14:10
● 2026-02-17 17:25:04
○ 2026-02-17 19:05:36
○ 2026-02-17 21:09:16
● 2026-02-17 22:33:24
● 2026-03-01 07:31:50
○ 2026-03-01 16:13:16
● 2026-03-02 08:35:34
● 2026-03-02 10:35:38
○ 2026-03-04 02:34:36
○ 2026-03-04 06:28:04
● 2026-03-04 08:18:08
● 2026-03-04 09:23:30
○ 2026-03-04 10:20:10
● 2026-03-06 00:36:36
● 2026-03-09 22:46:08
○ 2026-03-10 07:57:58
● 2026-03-10 18:40:10
○ 2026-03-10 20:46:56
● 2026-03-12 07:10:10
○ 2026-03-12 11:40:46
○ 2026-03-13 20:02:08
● 2026-03-14 00:43:18
○ 2026-03-14 07:23:20
○ 2026-03-14 23:36:22
● 2026-03-15 00:09:36
● 2026-03-23 17:43:48
○ 2026-03-24 07:21:08
● 2026-03-25 13:47:54
● 2026-03-25 15:53:36
○ 2026-03-26 01:01:50
● 2026-03-26 05:46:08
● 2026-03-26 06:19:44
○ 2026-03-27 00:09:38
● 2026-03-27 02:46:02
● 2026-03-27 16:43:36
○ 2026-03-27 21:52:38
● 2026-03-27 22:24:44
● 2026-03-31 00:12:06
○ 2026-03-31 05:04:20
● 2026-04-01 12:27:18
○ 2026-04-06 00:46:54
● 2026-04-06 16:26:16
● 2026-04-08 16:21:34
○ 2026-04-12 00:40:26
● 2026-04-12 06:16:34
● 2026-04-16 06:57:36
○ 2026-04-21 04:42:10
○ 2026-04-23 21:55:20

○NSns2.uha.nl2026-02-15 → 2026-04-16 · 60 obs

○NSvossius.ic.uva.nl2018-01-10 → 2018-01-10 · 4 obs

○ 2016-06-19 09:52:52
● 2018-01-10 21:56:22
○ 2026-02-15 13:41:34
○ 2026-04-23 21:55:20

○MXmx-1.mf.surf.net2015-05-29 → 2018-01-10 · 4 obs

● 2015-05-29 01:31:50
● 2018-01-10 21:56:22
○ 2026-02-15 13:41:34
○ 2026-04-23 21:55:20

○MXmx-a.mf.surf.net2015-05-29 → 2018-01-10 · 4 obs

● 2015-05-29 01:31:50
● 2018-01-10 21:56:22
○ 2026-02-15 13:41:34
○ 2026-04-23 21:55:20

●MXscience-uva-nl.mail.protection.outlook.com2026-02-15 → 2026-04-23 · 49 obs

○ 2018-01-10 21:56:22
● 2026-02-15 13:41:34
● 2026-02-17 07:34:40
○ 2026-02-17 09:21:44
● 2026-02-17 10:14:10
● 2026-02-17 19:05:36
○ 2026-02-17 21:09:16
● 2026-02-17 22:33:24
○ 2026-02-18 02:13:02
● 2026-02-18 07:15:30
● 2026-03-01 07:31:50
○ 2026-03-01 16:13:16
● 2026-03-02 08:35:34
● 2026-03-02 10:35:38
○ 2026-03-04 02:34:36
● 2026-03-04 06:28:04
● 2026-03-04 08:18:08
○ 2026-03-04 09:23:30
○ 2026-03-06 00:36:36
● 2026-03-09 17:21:24
● 2026-03-10 07:57:58
○ 2026-03-10 18:40:10
● 2026-03-10 20:46:56
● 2026-03-21 15:15:54
○ 2026-03-21 18:04:52
● 2026-03-23 17:43:48
○ 2026-03-24 07:21:08
● 2026-03-25 13:47:54
● 2026-03-25 15:53:36
○ 2026-03-26 01:01:50
○ 2026-03-26 06:19:44
● 2026-03-27 00:09:38
● 2026-03-27 02:46:02
○ 2026-03-27 05:39:46
● 2026-03-27 16:43:36
○ 2026-03-27 21:52:38
● 2026-03-27 22:24:44
● 2026-03-31 00:12:06
○ 2026-03-31 05:04:20
● 2026-04-01 12:27:18
○ 2026-04-06 00:46:54
● 2026-04-06 16:26:16
○ 2026-04-08 16:21:34
○ 2026-04-12 00:40:26
● 2026-04-12 06:16:34
● 2026-04-15 22:49:42
○ 2026-04-16 00:50:34
● 2026-04-16 06:57:36
● 2026-04-23 21:55:20

○A146.50.28.162026-02-15 → 2026-04-16 · 42 obs

● 2026-02-15 13:41:34
● 2026-02-17 09:21:44
○ 2026-02-17 10:14:10
● 2026-02-17 17:25:04
● 2026-02-17 21:09:16
○ 2026-02-17 22:33:24
● 2026-02-18 02:13:02
● 2026-03-02 09:31:40
○ 2026-03-02 10:35:38
● 2026-03-04 02:34:36
○ 2026-03-04 06:28:04
● 2026-03-04 08:18:08
● 2026-03-04 10:20:10
○ 2026-03-06 00:36:36
● 2026-03-09 17:21:24
● 2026-03-09 22:46:08
○ 2026-03-10 07:57:58
● 2026-03-10 18:40:10
● 2026-03-12 11:40:46
○ 2026-03-13 20:02:08
● 2026-03-14 00:43:18
○ 2026-03-14 07:23:20
● 2026-03-14 23:36:22
● 2026-03-25 15:53:36
○ 2026-03-26 01:01:50
○ 2026-03-26 05:46:08
● 2026-03-26 06:19:44
● 2026-03-27 05:39:46
○ 2026-03-27 16:43:36
○ 2026-03-27 21:52:38
● 2026-03-27 22:24:44
● 2026-04-01 12:27:18
○ 2026-04-06 00:46:54
● 2026-04-06 16:26:16
● 2026-04-08 16:21:34
○ 2026-04-12 00:40:26
● 2026-04-12 06:16:34
● 2026-04-15 22:49:42
○ 2026-04-16 00:50:34
● 2026-04-16 06:57:36
○ 2026-04-21 04:42:10
○ 2026-04-23 21:55:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
uva.nl	ns1.uha.nl, ns1.zurich.surf.net, ns2.uha.nl, ns3.surfnet.nl	6 records

✅ Authoritative Response

Server:145.18.128.7

NS records: ns1.uha.nl, ns1.zurich.surf.net, ns2.uha.nl, ns3.surfnet.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 550ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`146.50.28.16`
NS	2	`ns2.uha.nl, ns1.uha.nl`
MX	1	`science-uva-nl.mail.protection.outlook.c`
SOA	1	`gm.net.uha.nl hostmaster.uva.nl`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.uha.nl, ns2.uha.nl, ns3.surfnet.nl...)

Analysis

Hierarchy

science.uva.nl is the parent of huygens.science.uva.nl, minerva.science.uva.nl, sils-huygens.science.uva.nl, uwp.science.uva.nl, pc-sprik002.science.uva.nl and a few other host names.

Name Servers

science.uva.nl is delegated to a single name server, gm.net.uha.nl.

science.uva.nl shares the same name server setup as other domains, for instance cms.uva.nl, cluster.uva.nl, cna.uva.nl, usc.uva.nl and licenties.uva.nl.

science.uva.nl at least partially shares name servers with other domains, for instance 227.50.146.in-addr.arpa, uvashop.nl, 11.18.145.in-addr.arpa, wireless.uva.nl and ascis.nl.

these name servers are often used together with ns1.uha.nl, ns2.uha.nl, ns3.surfnet.nl and ns1.zurich.surf.net.

gm.net.uha.nl resolves to two IP numbers: 2001:610:159:3010::20 and 145.18.116.20.

Mail Servers

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

Host science-uva-nl.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::d, 2a01:111:f403:ca09::20, 52.101.68.15, 52.101.73.4, 52.101.73.11 and 52.101.73.16.

science.uva.nl - robtex.com

science.uva.nl

uva.nl

PTR for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

Name Servers

Mail Servers

`science.uva.nl`

`uva.nl`