surfsara.net - robtex.com
surfsara.net
net
| 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=1785928089 | ||||||
Same first word
Similar names
DNS History
14 records (9 active, 5 former)
●NSns1.surfnet.nl2026-06-30 → 2026-08-05 · 3 obs
● 2026-06-30 18:26:50
● 2026-08-05 11:29:32
●NSns1.zurich.surf.net2026-06-30 → 2026-08-05 · 3 obs
● 2026-06-30 18:26:50
● 2026-08-05 11:29:32
●NSns2.surfnet.nl2026-06-30 → 2026-08-05 · 3 obs
● 2026-06-30 18:26:50
● 2026-08-05 11:29:32
●NSns3.surfnet.nl2017-01-03 → 2026-08-05 · 2 obs
● 2026-08-05 11:29:32
●NSnsauth1.surfsara.nl2017-01-03 → 2026-08-05 · 2 obs
● 2026-08-05 11:29:32
●NSnsauth2.surfsara.nl2017-01-03 → 2026-08-05 · 2 obs
● 2026-08-05 11:29:32
○MXmta.surfsara.nl2017-01-03 → 2017-11-19 · 4 obs
● 2017-11-19 14:09:32
○ 2026-06-30 18:26:50
○ 2026-08-05 11:29:32
○MXmta1.surfsara.nl2017-01-03 → 2017-11-19 · 4 obs
● 2017-11-19 14:09:32
○ 2026-06-30 18:26:50
○ 2026-08-05 11:29:32
○MXmta2.surfsara.nl2017-01-03 → 2017-11-19 · 4 obs
● 2017-11-19 14:09:32
○ 2026-06-30 18:26:50
○ 2026-08-05 11:29:32
●MXmx.soverin.net2026-06-30 → 2026-08-05 · 3 obs
● 2026-06-30 18:26:50
● 2026-08-05 11:29:32
○A145.100.12.2342017-01-03 → 2017-11-19 · 4 obs
● 2017-11-19 14:09:32
○ 2026-06-30 18:26:50
○ 2026-08-05 11:29:32
●A145.100.20.52026-06-30 → 2026-08-05 · 3 obs
● 2026-06-30 18:26:50
● 2026-08-05 11:29:32
○A2001:610:108:2043::2342017-01-03 → 2017-11-19 · 4 obs
● 2017-11-19 14:09:32
○ 2026-06-30 18:26:50
○ 2026-08-05 11:29:32
●A2001:610:108:204d:145:100:20:52026-06-30 → 2026-08-05 · 3 obs
● 2026-06-30 18:26:50
● 2026-08-05 11:29:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | f.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net... | - |
| surfsara.net | ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl, ns1.zurich.surf.net... | 2 records |
✅ Authoritative Response
Server:145.100.12.243
NS records: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl, ns1.zurich.surf.net, nsauth2.surfsara.nl, nsauth1.surfsara.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for surfsara.net (unsigned zone)
⏱️ Timing
Total: 560ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 145.100.20.5 |
| AAAA | 1 | 2001:610:108:204d:145:100:20:5 |
| NS | 6 | nsauth1.surfsara.nl, ns1.zurich.surf.net... |
| MX | 1 | mx.soverin.net (pri: 10) |
| TXT | 4 | f0cb12f988854968bea387e8a5e8c53d, HARICA-1S9zFYW5zn0owjObjWl... |
| SOA | 1 | nsauth1.surfsara.nl dns-admin.surfsara.n |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.zurich.surf.net, ns1.zurich.surf.net)
Analysis
IP Addresses
surfsara.net has two IP addresses: 145.100.20.5 and 2001:610:108:204d:145:100:20:5
Among others, surfsara.nl, surfsara.eu, xws1.ia.surf.nl and sara.nl resolve to the same IP numbers as surfsara.net.
Name Servers
surfsara.net delegates authority to 6 name servers: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl plus 3 other.
The name servers of surfsara.net overlap at least partially with those of other domains — among them 39.97.145.in-addr.arpa, hszuid.nl, archive.surf.nl and two more.
These name servers commonly appear in delegations together with ns1.zurich.surf.net, nsauth1.surfsara.nl, nsauth2.surfsara.nl and 7 other.
Host names that have two IP addresses:
ns1.surfnet.nl directs traffic to 192.87.106.101 and 2001:610:1:800a:192:87:106:101.
ns2.surfnet.nl directs traffic to 192.87.36.2 and 2001:610:3:200a:192:87:36:2.
ns3.surfnet.nl directs traffic to 195.169.124.71 and 2001:610:0:800c:195:169:124:71.
nsauth1.surfsara.nl directs traffic to 145.100.12.242 and 2001:610:108:2043::242.
nsauth2.surfsara.nl directs traffic to 145.100.12.243 and 2001:610:108:2043::243.
ns1.zurich.surf.net directs traffic to 195.176.255.9 and 2001:620:0:9::1103.
Mail Servers
The sole mail server for surfsara.net is mx.soverin.net.
Among the domains sharing a mail server setup with surfsara.net are mx.ddx.nl, hasseltplein.nl, mactheknife.com and two others.
There is at least a partial MX overlap between surfsara.net and other domains, including mail.pipe.nl, dbmasters.info, tuinatelier.info and two others.
The mail servers mx02.soverin.net and mx03.soverin.net are commonly paired with these mail servers.
The hostname mx.soverin.net resolves to the four IP addresses 185.233.34.15, 185.233.34.143, 2a10:de80:1:4091:b9e9:22f:0:1 and 2a10:de80:1:4092:b9e9:228f:0:1.