mijnumc.nl - robtex.com
mijnumc.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 143.121.245.40🇳🇱 SURFNET-NL143.121.0.0/16 netname: AZUTRECHT Academic Hospital Utrecht Utrecht | ||||||
| NS | dex1001.umcutrecht.nl ⭐ | ||||||
| A | 143.121.237.53🇳🇱 SURFNET-NL143.121.0.0/16 netname: AZUTRECHT Academic Hospital Utrecht Utrecht | ||||||
| PTR | dex1001.umcutrecht.nl | ||||||
| PTR | ns4.umcutrecht.nl | ||||||
| NS | dex2001.umcutrecht.nl | ||||||
| A | 143.121.237.186🇳🇱 SURFNET-NL143.121.0.0/16 netname: AZUTRECHT Academic Hospital Utrecht Utrecht | ||||||
| PTR | dex2001.umcutrecht.nl | ||||||
| NS | ns1.surfnet.nl | ||||||
| A | 2001:610:1:800a:192:87:106:101🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns1.surfnet.nl | ||||||
| A | 192.87.106.101🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV | ||||||
| PTR | ns1.surfnet.nl | ||||||
| MX | mailgw1.umcutrecht.nl ⭐ | ||||||
| MX | mailgw2.umcutrecht.nl ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | dex1001.umcutrecht.nlhostmaster@mijnumc.nl serial=2008139052 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-05-15 13:30:01 +0000 (EPOCH 1778851801) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-05-15 #27 | ||||||
Same first word
mijnumc.nl |
DNS History
7 records (6 active, 1 former)
●NSdex1001.umcutrecht.nl2018-05-06 → 2026-05-15 · 2 obs
● 2026-05-15 14:19:12
●NSdex2001.umcutrecht.nl2018-05-06 → 2026-05-15 · 2 obs
● 2026-05-15 14:19:12
●NSns1.surfnet.nl2026-03-12 → 2026-05-15 · 3 obs
● 2026-03-12 11:27:08
● 2026-05-15 14:19:12
●MXmailgw1.umcutrecht.nl2018-05-06 → 2026-05-15 · 2 obs
● 2026-05-15 14:19:12
●MXmailgw2.umcutrecht.nl2018-05-06 → 2026-05-15 · 2 obs
● 2026-05-15 14:19:12
○A143.121.238.112018-05-06 → 2018-05-06 · 3 obs
○ 2026-03-12 11:27:08
○ 2026-05-15 14:19:12
●A143.121.245.402026-03-12 → 2026-05-15 · 3 obs
● 2026-03-12 11:27:08
● 2026-05-15 14:19:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns3.dns.nl, ns1.dns.nl, ns4.dns.nl | - |
| mijnumc.nl | ns1.surfnet.nl, dex1001.umcutrecht.nl, dex2001.umcutrecht.nl | 4 records |
✅ Authoritative Response
Server:143.121.237.186
NS records: ns1.surfnet.nl, dex1001.umcutrecht.nl, dex2001.umcutrecht.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1156ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.121.245.40 |
| NS | 3 | ns1.surfnet.nl, dex1001.umcutrecht.nl... |
| MX | 2 | mailgw1.umcutrecht.nl (pri: 10), mailgw2.umcutrecht.nl (pri: 10) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | dex1001.umcutrecht.nl hostmaster.mijnumc |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.surfnet.nl, ns1.surfnet.nl, dex1001.umcutrecht.nl...)
Analysis
IP Addresses
mijnumc.nl points to a single IP number: 143.121.245.40.
Name Servers
mijnumc.nl is delegated to three name servers: ns1.surfnet.nl, dex1001.umcutrecht.nl and dex2001.umcutrecht.nl.
mijnumc.nl at least partially shares name servers with other domains, for instance thorbeckeacademie.nl, zon.nl, rocopmaat.nl, anysense.com and 125.42.192.in-addr.arpa.
These name servers are commonly used with the name servers ns1.zurich.surf.net, ns2.surfnet.nl, ns3.surfnet.nl, ns1-konbib.kb.nl, gridma-info.net.umcutrecht.nl, arachne.leidenuniv.nl, umcdns03.azn.nl, ns-ext-01.wur.nl and ns0.socialhistoryservices.org.
Host names with two IPs:
ns1.surfnet.nl points to 2001:610:1:800a:192:87:106:101 and 192.87.106.101.
Host names with one IP:
dex1001.umcutrecht.nl points to 143.121.237.53.
dex2001.umcutrecht.nl points to 143.121.237.186.
Mail Servers
mijnumc.nl is handled by two mail servers: mailgw1.umcutrecht.nl and mailgw2.umcutrecht.nl.
mijnumc.nl shares the same mail server setup as other domains, for instance chime-project.nl, healthcareinnovationcenter.nl, netwerkintake.nl, vergiftigingen.org and umcubraincenterrudolfmagnus.nl.