senstenna.com - robtex.com
senstenna.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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 | ||||||
| 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.surfnet.nl | ||||||
| A | 2001:610:3:200a:192:87:36:2🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns2.surfnet.nl | ||||||
| A | 192.87.36.2🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV | ||||||
| PTR | ns2.surfnet.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 | ||||||
| SOA | ns1.surfnet.nldns-beheer@surf.nl 2026-04-02 #1 | ||||||
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.netnstld@verisign-grs.com serial=1775396142 | ||||||
Same first word
senstenna.com |
DNS History
8 records (4 active, 4 former)
●NSns1.surfnet.nl2015-07-12 → 2026-04-05 · 2 obs
● 2026-04-05 13:56:22
●NSns1.zurich.surf.net2015-07-12 → 2026-04-05 · 2 obs
● 2026-04-05 13:56:22
●NSns2.surfnet.nl2015-07-12 → 2026-04-05 · 2 obs
● 2026-04-05 13:56:22
●NSns3.surfnet.nl2015-07-12 → 2026-04-05 · 2 obs
● 2026-04-05 13:56:22
○MX.2026-03-15 → 2026-04-05 · 2 obs
○ 2026-04-05 13:56:22
○MXmx-1.mf.surf.net2015-07-12 → 2017-09-18 · 4 obs
● 2017-09-18 04:14:02
○ 2026-03-15 09:42:12
○ 2026-04-05 13:56:22
○MXmx-a.mf.surf.net2015-07-12 → 2017-09-18 · 4 obs
● 2017-09-18 04:14:02
○ 2026-03-15 09:42:12
○ 2026-04-05 13:56:22
○A134.221.4.102015-07-12 → 2017-09-18 · 4 obs
● 2017-09-18 04:14:02
○ 2026-03-15 09:42:12
○ 2026-04-05 13:56:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net... | - |
| senstenna.com | ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl, ns1.zurich.surf.net | - |
✅ Authoritative Response
Server:195.169.124.71
NS records: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl, ns1.zurich.surf.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2344ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.surfnet.nl, ns3.surfnet.nl... |
| MX | 1 | . (pri: 0) |
| SOA | 1 | ns1.surfnet.nl dns-beheer.surf.nl |
Analysis
Name Servers
senstenna.com is delegated to four name servers: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl and ns1.zurich.surf.net.
senstenna.com at least partially shares name servers with other domains, for instance biebblog.nl, scholingpalliatievezorg.nl, efb.eur.nl, 126.87.192.in-addr.arpa and 209.97.145.in-addr.arpa.
these name servers are commonly used with the name servers arachne.leidenuniv.nl, ns2.maastrichtuniversity.eu, ns1.maastrichtuniversity.nl, ns6.eur.nl, umcdns03.azn.nl, gm.maastrichtuniversity.nl, ns-ext-01.wur.nl and ns1.rocva.nl.
Host names with two IP numbers:
ns1.surfnet.nl points to 2001:610:1:800a:192:87:106:101 and 192.87.106.101; ns2.surfnet.nl points to 2001:610:3:200a:192:87:36:2 and 192.87.36.2; ns3.surfnet.nl points to 2001:610:0:800c:195:169:124:71 and 195.169.124.71; ns1.zurich.surf.net points to 2001:620:0:9::1103 and 195.176.255.9.