math.ru.nl - robtex.com
math.ru.nl
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.science.ru.nl ⭐ | ||||||
| A | 131.174.224.4🇳🇱 SURFNET-NL131.174.0.0/16 NUNET | ||||||
| NS | ns2.science.ru.nl | ||||||
| A | 131.174.16.133🇳🇱 SURFNET-NL131.174.0.0/16 NUNET | ||||||
| PTR | ns2.science.ru.nl | ||||||
| NS | ns3.science.ru.nl | ||||||
| A | 131.174.30.34🇳🇱 SURFNET-NL131.174.0.0/16 NUNET | ||||||
| PTR | ns3.science.ru.nl | ||||||
| MX | inboundmx3.science.ru.nl ⭐ | ||||||
| A | 131.174.30.208🇳🇱 SURFNET-NL131.174.0.0/16 NUNET | ||||||
| PTR | inboundmx3.science.ru.nl | ||||||
| MX | mx1.science.ru.nl ⭐ | ||||||
| A | 131.174.16.158🇳🇱 SURFNET-NL131.174.0.0/16 NUNET | ||||||
| MX | mx2.science.ru.nl ⭐ | ||||||
| A | 131.174.30.71🇳🇱 SURFNET-NL131.174.0.0/16 NUNET | ||||||
| PTR | mx2.science.ru.nl | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com include:spf-production.science.ru.n... | ||||||
| TXT | MS=577DC2ECB20A982DFF2B401BB21B2A58A1E4ACA0 | ||||||
| SOA | ns1.science.ru.nlhostmaster@science.ru.nl serial=2107756403 | ||||||
ru.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 131.174.78.60🇳🇱 SURFNET-NL131.174.0.0/16 NUNET | ||||||
| NS | ns3.ru.nl ⭐ | ||||||
| NS | ns1.surfnet.nl ⚠️ Not in parent delegation | ||||||
| NS | ns1.zurich.surf.net ⚠️ Not in parent delegation | ||||||
| NS | ns4.ru.nl | ||||||
| MX | ru-nl.m-v1.mx.microsoft ⭐ | ||||||
| TXT | ZOOM_verify_uP1aZu8wR2-CHSmrBtCvTg | ||||||
| TXT | cisco-ci-domain-verification=5b6d3b9b6b8ec2592d13429c415ed26778e6ca8c6bd90785... | ||||||
| TXT | d365mktkey=jvxUlCXg0oosqxeR9Ct52M4gPCYzFVmzElxRwUzwzGAx | ||||||
| TXT | knowbe4-site-verification=a38acc02e555fc59878a885c661e36ef | ||||||
| TXT | d365mktkey=FffCw4fp3A1ZHCdERpWcTyjFUJtJ4S57qLebUFAdMDMx | ||||||
| TXT | d365mktkey=dmCT8FfyOHyV4UsEqKIK7P99XxO932fLXlanuRklhMkx | ||||||
| TXT | d365mktkey=XGnAIxRQCCLkJPJ86uCVFTnDUwSn2ndbxRAo6ySSwpUx | ||||||
| TXT | sending_domain469931=a1cec05a37422f86eaac35edb52100b0346e866f27474a07f7ca867b... | ||||||
| TXT | HARICA-Vw9MiLhSzhis4oNuw1a | ||||||
| TXT | paloaltonetworks-site-verification=93590266bb125bbf65c9c8fcf694442a4955a6a5b0... | ||||||
| TXT | Radboud University Nijmegen, The Netherlands | ||||||
| TXT | MS=30C0AFAD43C669095DF6BA98606BBA3CBF203C4F | ||||||
| TXT | MS=ms78416191 | ||||||
| TXT | atlassian-domain-verification=Qoi8aah4vKhyujDNzCPaIovYK0aQ13lVo2lQVp2BbKDwt9u... | ||||||
| TXT | atlassian-domain-verification=5Cn5OZRbvE8o2BFCTuh1h3OsI7fIlbITmxCM3bT7JLc/BRQ... | ||||||
| TXT | v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all | ||||||
| SOA | ns3.ru.nlnetmaster@ru.nl serial=2009531836 | ||||||
rank #3643 globally
rank #19 in the tld
This domain name "ru.nl" is associated with Radboud University, located in Nijmegen, the Netherlands. It is used for the university's official website, where they provide information about their programs, research, events, and other related topics concerning the institution.🔒 HSTS Preload (+subdomains)
WOT: SAFE (89/100)
📈 Tranco rank: #11,858
Subdomains
www.math.ru.nl |
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSns1.science.ru.nl2015-07-25 → 2026-04-03 · 5 obs
● 2026-02-28 00:53:18
○ 2026-03-07 22:52:00
● 2026-03-29 09:22:10
● 2026-04-03 23:14:04
●NSns2.science.ru.nl2015-07-25 → 2026-04-03 · 5 obs
● 2026-02-28 00:53:18
○ 2026-03-07 22:52:00
● 2026-03-29 09:22:10
● 2026-04-03 23:14:04
●NSns3.science.ru.nl2015-07-25 → 2026-04-03 · 5 obs
● 2026-02-28 00:53:18
○ 2026-03-07 22:52:00
● 2026-03-29 09:22:10
● 2026-04-03 23:14:04
○MXasmtp.science.ru.nl2016-06-18 → 2016-06-18 · 4 obs
● 2016-06-18 17:28:36
○ 2016-07-24 20:37:04
○ 2026-04-03 23:14:04
○MXbsmtp.science.ru.nl2015-07-25 → 2016-06-18 · 4 obs
● 2016-06-18 17:28:36
○ 2016-07-24 20:37:04
○ 2026-04-03 23:14:04
○MXcsmtp.science.ru.nl2015-07-25 → 2016-06-18 · 4 obs
● 2016-06-18 17:28:36
○ 2016-07-24 20:37:04
○ 2026-04-03 23:14:04
○MXdsmtp.science.ru.nl2015-07-25 → 2016-06-18 · 4 obs
● 2016-06-18 17:28:36
○ 2016-07-24 20:37:04
○ 2026-04-03 23:14:04
○MXesmtp.science.ru.nl2015-07-25 → 2016-06-18 · 4 obs
● 2016-06-18 17:28:36
○ 2016-07-24 20:37:04
○ 2026-04-03 23:14:04
●MXinboundmx3.science.ru.nl2026-03-29 → 2026-04-03 · 3 obs
● 2026-03-29 09:22:10
● 2026-04-03 23:14:04
●MXmx1.science.ru.nl2016-07-24 → 2026-04-03 · 6 obs
● 2016-07-24 20:37:04
● 2026-02-28 00:53:18
○ 2026-03-07 22:52:00
● 2026-03-29 09:22:10
● 2026-04-03 23:14:04
●MXmx2.science.ru.nl2016-07-24 → 2026-04-03 · 6 obs
● 2016-07-24 20:37:04
● 2026-02-28 00:53:18
○ 2026-03-07 22:52:00
● 2026-03-29 09:22:10
● 2026-04-03 23:14:04
○MXmx3.science.ru.nl2016-07-24 → 2026-02-28 · 5 obs
● 2016-07-24 20:37:04
● 2026-02-28 00:53:18
○ 2026-03-07 22:52:00
○ 2026-04-03 23:14:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns3.dns.nl, ns4.dns.nl | - |
| ru.nl | ns1.zurich.surf.net, ns1.surfnet.nl, ns3.ru.nl, ns4.ru.nl | 4 records |
| math.ru.nl | ns1.science.ru.nl, ns2.science.ru.nl, ns3.science.ru.nl | 3 records |
✅ Authoritative Response
Server:131.174.224.4
NS records: ns1.science.ru.nl, ns2.science.ru.nl, ns3.science.ru.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 756ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns2.science.ru.nl, ns1.science.ru.nl... |
| MX | 3 | mx2.science.ru.nl (pri: 5), inboundmx3.science.ru.nl (pri: 5)... |
| TXT | 2 | MS=577DC2ECB20A982DFF2B401BB21B2A58A1E4A, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.science.ru.nl hostmaster.science.ru. |
📌 Glue Records Collected
Total: 7
In-bailiwick: 2 (ns3.ru.nl, ns4.ru.nl)
Out-of-bailiwick: 5 (ns1.surfnet.nl, ns1.surfnet.nl, ns3.science.ru.nl...)
Analysis
Hierarchy
The parent of www.math.ru.nl is math.ru.nl.
Name Servers
The domain math.ru.nl is delegated to three name servers: ns1.science.ru.nl, ns2.science.ru.nl and ns3.science.ru.nl.
math.ru.nl shares name servers with other domains at least partially, for instance snn.ru.nl, sci.ru.nl, 26.174.131.in-addr.arpa, 8.174.131.in-addr.arpa and pubhubs.net.
Host names with a single IP number:
ns1.science.ru.nl points to 131.174.224.4.
ns2.science.ru.nl points to 131.174.16.133.
ns3.science.ru.nl points to 131.174.30.34.
Mail Servers
math.ru.nl is handled by three mail servers: inboundmx3.science.ru.nl, mx1.science.ru.nl and mx2.science.ru.nl.
math.ru.nl shares some mail servers with other domains, including science.ru.nl, marie-curie.nl, mbfys.ru.nl, cls.ru.nl and apc.cs.ru.nl.
These mail servers are often used with the mail servers mx3.science.ru.nl.
Host names with a single IP number:
inboundmx3.science.ru.nl points to 131.174.30.208.
mx1.science.ru.nl points to 131.174.16.158.
mx2.science.ru.nl points to 131.174.30.71.