`amsterdamuas.com`

DNSSEC	🔒 Signed (DS record present)
A	20.52.41.13^{🇩🇪 Microsoft20.48.0.0/12}
NS	`ns1.uha.nl` ⭐
		A	2001:610:159:3128::7^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`ns1.uha.nl`
		A	145.18.128.7^{🇳🇱 UVA-NL145.18.0.0/16 UVANET1}
			PTR	`ns1.uha.nl`
NS	`ns1.zurich.surf.net`
		A	2001:620:0:9::1103^{🇨🇭 Switch2001:620::/32 SWITCH, The Swiss Education & Research Network}
			PTR	`ns1.zurich.surf.net`
		A	195.176.255.9^{🇨🇭 Switch195.176.224.0/19 SWITCH-AGGR.102}
			PTR	`ns1.zurich.surf.net`
NS	`ns2.uha.nl`
		A	2001:610:159:3128::8^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`ns2.uha.nl`
		A	145.18.128.8^{🇳🇱 UVA-NL145.18.0.0/16 UVANET1}
			PTR	`ns2.uha.nl`
NS	`ns3.surfnet.nl`
		A	2001:610:0:800c:195:169:124:71^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`ns3.surfnet.nl`
		A	195.169.124.71^{🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI}
MX	`amsterdamuas-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.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::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`47538e7dfc3947f9acc8e4abc27aa9cf`
TXT	`have-i-been-pwned-verification=fd24876b94a48025ee88aa079034093a`
TXT	`pardot845143=5b41eb7e6cc729264c0f6c522a05c94ad2a0ce7e15c068c577a0bb196c500ff5`
TXT	`facebook-domain-verification=rhocd56qoxcz8tashc5l94j6lowfgq`
TXT	`google-site-verification=bITwTtbSEtLm9RAf44ue93PITxIa9ZUs1L1MMiH8L8M`
TXT	`MS=ms80470769`
TXT	`v=spf1 include:spf.protection.outlook.com ip4:145.18.56.76/31 ip4:87.195.18.7...`
TXT	`Stichting Hogeschool van Amsterdam`
SOA	`ns1.uha.nl`hostmaster@uva.nl serial=2020045051

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776027247

rank #156213 globally
rank #65321 in the tld
📈 Tranco rank: #423,821

Same first word

amsterdamuas.com

Similar names

masterdamusa.com

DNS History

14 records (6 active, 8 former)

○NSns.hva.nl2015-08-04 → 2017-01-14 · 4 obs

● 2015-08-04 16:58:48
● 2017-01-14 13:43:28
○ 2021-03-11 12:47:40
○ 2026-04-12 20:55:16

●NSns1.uha.nl2021-03-11 → 2026-04-12 · 3 obs

○ 2017-01-14 13:43:28
● 2021-03-11 12:47:40
● 2026-04-12 20:55:16

●NSns1.zurich.surf.net2015-08-04 → 2026-04-12 · 2 obs

● 2015-08-04 16:58:48
● 2026-04-12 20:55:16

○NSns2.hva.nl2015-08-04 → 2017-01-14 · 4 obs

● 2015-08-04 16:58:48
● 2017-01-14 13:43:28
○ 2021-03-11 12:47:40
○ 2026-04-12 20:55:16

○NSns2.surfnet.nl2015-08-04 → 2017-01-14 · 4 obs

● 2015-08-04 16:58:48
● 2017-01-14 13:43:28
○ 2021-03-11 12:47:40
○ 2026-04-12 20:55:16

●NSns2.uha.nl2021-03-11 → 2026-04-12 · 3 obs

○ 2017-01-14 13:43:28
● 2021-03-11 12:47:40
● 2026-04-12 20:55:16

●NSns3.surfnet.nl2015-08-04 → 2026-04-12 · 2 obs

● 2015-08-04 16:58:48
● 2026-04-12 20:55:16

●MXamsterdamuas-com.mail.protection.outlook.com2021-03-11 → 2026-04-12 · 3 obs

○ 2017-01-14 13:43:28
● 2021-03-11 12:47:40
● 2026-04-12 20:55:16

○MXmx-1.mf.surf.net2016-08-12 → 2017-01-14 · 5 obs

○ 2016-01-19 12:44:26
● 2016-08-12 22:16:54
● 2017-01-14 13:43:28
○ 2021-03-11 12:47:40
○ 2026-04-12 20:55:16

○MXmx-a.mf.surf.net2016-08-12 → 2017-01-14 · 5 obs

○ 2016-01-19 12:44:26
● 2016-08-12 22:16:54
● 2017-01-14 13:43:28
○ 2021-03-11 12:47:40
○ 2026-04-12 20:55:16

○MXmx.hva.nl2015-08-04 → 2016-01-19 · 4 obs

● 2015-08-04 16:58:48
● 2016-01-19 12:44:26
○ 2016-08-12 22:16:54
○ 2026-04-12 20:55:16

○A145.18.11.1512026-02-17 → 2026-02-25 · 5 obs

○ 2021-03-11 12:47:40
● 2026-02-17 22:03:28
● 2026-02-25 13:20:38
○ 2026-02-27 05:25:16
○ 2026-04-12 20:55:16

○A145.18.12.472015-08-04 → 2021-03-11 · 4 obs

● 2015-08-04 16:58:48
● 2021-03-11 12:47:40
○ 2026-02-17 22:03:28
○ 2026-04-12 20:55:16

●A20.52.41.132026-02-27 → 2026-04-12 · 3 obs

○ 2026-02-25 13:20:38
● 2026-02-27 05:25:16
● 2026-04-12 20:55:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
amsterdamuas.com	ns3.surfnet.nl, ns1.zurich.surf.net, ns2.uha.nl, ns1.uha.nl	-

✅ Authoritative Response

Server:145.18.128.7

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 685ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.52.41.13`
NS	4	`ns2.uha.nl, ns1.uha.nl...`
MX	1	`amsterdamuas-com.mail.protection.outlook`
TXT	8	`MS=ms80470769, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns1.uha.nl hostmaster.uva.nl`

Analysis

IP Addresses

amsterdamuas.com points to a single IP: 20.52.41.13.

Other host names, for instance hva.nl, share IP numbers with amsterdamuas.com.

Name Servers

amsterdamuas.com is delegated to four name servers: ns3.surfnet.nl, ns1.uha.nl, ns2.uha.nl and ns1.zurich.surf.net.

amsterdamuas.com at least partially shares its name servers with other domains, for instance 214.97.145.in-addr.arpa, www.leidenscience.com, quantumuniverse.nl, ov-kaart.nl and plan-et.nl.

These name servers are commonly paired with ns1.surfnet.nl, ns2.surfnet.nl, gm.net.uha.nl, ns6.eur.nl, umcdns03.azn.nl, ns-ext-01.wur.nl, ns2.maastrichtuniversity.eu, gm.maastrichtuniversity.nl and ns1.maastrichtuniversity.nl.

Host names with two IPs: ns3.surfnet.nl points to 2001:610:0:800c:195:169:124:71 and 195.169.124.71; ns1.uha.nl points to 2001:610:159:3128::7 and 145.18.128.7; ns2.uha.nl points to 2001:610:159:3128::8 and 145.18.128.8; ns1.zurich.surf.net points to 2001:620:0:9::1103 and 195.176.255.9.

Mail Servers

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

The host name amsterdamuas-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::9, 2a01:111:f403:ca04::c, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::b, 52.101.68.21, 52.101.68.27, 52.101.73.16 and 52.101.73.30.

amsterdamuas.com - robtex.com