syslab.dk - dns.ninja
syslab.dk
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1785850201localtime Tue Aug 4 15:30:01 2026gmtime Tue Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1785850201 | ||||||
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
●MXmx1.spamfilter.cc2015-11-28 → 2026-08-04 · 5 obs
● 2016-02-05 00:00:42
○ 2017-03-21 06:16:02
● 2026-02-26 16:55:14
● 2026-08-04 14:08:10
●MXmx2.spamfilter.cc2026-02-26 → 2026-08-04 · 3 obs
● 2026-02-26 16:55:14
● 2026-08-04 14:08:10
●MXmx3.spamfilter.cc2026-02-26 → 2026-08-04 · 3 obs
● 2026-02-26 16:55:14
● 2026-08-04 14:08:10
○MXspamfiltera.dtu.dk2017-03-21 → 2017-03-21 · 4 obs
● 2017-03-21 06:16:02
○ 2026-02-26 16:55:14
○ 2026-08-04 14:08:10
○MXspamfilterb.dtu.dk2017-03-21 → 2017-03-21 · 4 obs
● 2017-03-21 06:16:02
○ 2026-02-26 16:55:14
○ 2026-08-04 14:08:10
○A10.0.0.102015-08-11 → 2016-02-05 · 4 obs
● 2016-02-05 00:00:42
○ 2017-03-21 06:16:02
○ 2026-08-04 14:08:10
●A130.226.56.1722017-03-21 → 2026-08-04 · 3 obs
● 2017-03-21 06:16:02
● 2026-08-04 14:08:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | 12 records |
| syslab.dk | ns1.risoe.dk, ns2.risoe.dk | 2 records |
✅ Authoritative Response
Server:130.226.56.68
NS records: ns1.risoe.dk, ns2.risoe.dk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for syslab.dk (unsigned zone)
⏱️ Timing
Total: 625ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 130.226.56.172 |
| NS | 2 | ns2.risoe.dk, ns1.risoe.dk |
| MX | 3 | mx3.spamfilter.cc (pri: 20), mx1.spamfilter.cc (pri: 10)... |
| TXT | 2 | v=spf1 mx ip4:192.38.80.0/22 ip4:192.38., ABUSE: Please report abuse to postmaster |
| SOA | 1 | ns1.risoe.dk postmaster.risoe.dk |
📌 Glue Records Collected
Total: 14
In-bailiwick: 12 (b.nic.dk, c.nic.dk, h.nic.dk...)
Out-of-bailiwick: 2 (ns1.risoe.dk, ns2.risoe.dk)
Analysis
IP Addresses
syslab.dk resolves to just one IP address, 130.226.56.172.
Name Servers
syslab.dk uses two name servers for its delegation: ns1.risoe.dk and ns2.risoe.dk.
syslab.dk shares its NS records with other domains, for example sofc.dk, dccsm.dk, benchmarking.eu.org and two others.
The name servers for syslab.dk overlap at least in part with those of other domains, including ithesa.benchmarking.eu.org and risoe.dk.
These name servers commonly appear alongside the name servers ns-03.risoe.dk and ns-04.risoe.dk.
Both ns1.risoe.dk and ns2.risoe.dk have a single IP address each — ns1.risoe.dk resolves to 130.226.56.67 while ns2.risoe.dk resolves to 130.226.56.68.
Mail Servers
Mail for syslab.dk is routed through three mail servers — mx1.spamfilter.cc, mx2.spamfilter.cc and mx3.spamfilter.cc.
There is at least a partial MX overlap between syslab.dk and other domains, including admin.gratisdns.com, spamguard.dk, ubh.dk and two others.
Three hostnames — mx1.spamfilter.cc, mx2.spamfilter.cc and mx3.spamfilter.cc — each point to 95.179.139.219, 95.179.218.56 and 2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5.
Each of mx1.spamfilter.cc, mx2.spamfilter.cc and mx3.spamfilter.cc resolves to 2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5.
Each of mx1.spamfilter.cc, mx2.spamfilter.cc and mx3.spamfilter.cc resolves to 95.179.139.219.
Each of mx1.spamfilter.cc, mx2.spamfilter.cc and mx3.spamfilter.cc resolves to 95.179.218.56.