acosys.dk - robtex.com
acosys.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 1778337901localtime Sat May 9 16:45:01 2026gmtime Sat Ma... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1778337901 | ||||||
Subdomains
mail.acosys.dk |
Same first word
Similar names
DNS History
19 records (10 active, 9 former)
○NSns1.dreamhost.com2015-08-22 → 2017-05-21 · 4 obs
● 2017-05-21 01:04:46
○ 2026-03-27 06:48:38
○ 2026-05-09 15:17:32
●NSns1.simply.com2026-03-27 → 2026-05-09 · 3 obs
● 2026-03-27 06:48:38
● 2026-05-09 15:17:32
○NSns2.dreamhost.com2015-08-22 → 2017-05-21 · 4 obs
● 2017-05-21 01:04:46
○ 2026-03-27 06:48:38
○ 2026-05-09 15:17:32
●NSns2.simply.com2026-03-27 → 2026-05-09 · 3 obs
● 2026-03-27 06:48:38
● 2026-05-09 15:17:32
○NSns3.dreamhost.com2015-08-22 → 2017-05-21 · 4 obs
● 2017-05-21 01:04:46
○ 2026-03-27 06:48:38
○ 2026-05-09 15:17:32
●NSns3.simply.com2026-03-27 → 2026-05-09 · 3 obs
● 2026-03-27 06:48:38
● 2026-05-09 15:17:32
●NSns4.simply.com2026-03-27 → 2026-05-09 · 3 obs
● 2026-03-27 06:48:38
● 2026-05-09 15:17:32
●MXalt1.aspmx.l.google.com2015-08-22 → 2026-05-09 · 2 obs
● 2026-05-09 15:17:32
●MXalt2.aspmx.l.google.com2015-08-22 → 2026-05-09 · 2 obs
● 2026-05-09 15:17:32
●MXalt3.aspmx.l.google.com2026-03-27 → 2026-05-09 · 3 obs
● 2026-03-27 06:48:38
● 2026-05-09 15:17:32
●MXalt4.aspmx.l.google.com2026-03-27 → 2026-05-09 · 3 obs
● 2026-03-27 06:48:38
● 2026-05-09 15:17:32
●MXaspmx.l.google.com2015-08-22 → 2026-05-09 · 2 obs
● 2026-05-09 15:17:32
○MXaspmx2.googlemail.com2015-08-22 → 2017-05-21 · 4 obs
● 2017-05-21 01:04:46
○ 2026-03-27 06:48:38
○ 2026-05-09 15:17:32
○MXaspmx3.googlemail.com2015-08-22 → 2017-05-21 · 4 obs
● 2017-05-21 01:04:46
○ 2026-03-27 06:48:38
○ 2026-05-09 15:17:32
○MXaspmx4.googlemail.com2015-08-22 → 2017-05-21 · 4 obs
● 2017-05-21 01:04:46
○ 2026-03-27 06:48:38
○ 2026-05-09 15:17:32
○MXaspmx5.googlemail.com2015-08-22 → 2017-05-21 · 4 obs
● 2017-05-21 01:04:46
○ 2026-03-27 06:48:38
○ 2026-05-09 15:17:32
○A67.205.14.302015-08-22 → 2015-12-11 · 4 obs
● 2015-12-11 07:55:12
○ 2016-03-12 05:32:14
○ 2026-05-09 15:17:32
○A69.163.250.2452016-03-12 → 2017-05-21 · 5 obs
● 2016-03-12 05:32:14
● 2017-05-21 01:04:46
○ 2026-03-27 06:48:38
○ 2026-05-09 15:17:32
●A89.150.134.972026-03-27 → 2026-05-09 · 3 obs
● 2026-03-27 06:48:38
● 2026-05-09 15:17:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk... | - |
| acosys.dk | ns2.simply.com, ns1.simply.com, ns4.simply.com, ns3.simply.com | - |
✅ Authoritative Response
Server:91.197.248.79
NS records: ns2.simply.com, ns1.simply.com, ns4.simply.com, ns3.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1215ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.150.134.97 |
| NS | 4 | ns1.simply.com, ns2.simply.com... |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
Hierarchy
mail.acosys.dk has acosys.dk as its parent.
IP Addresses
acosys.dk maps to IP address 89.150.134.97.
Name Servers
acosys.dk is delegated to four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.
acosys.dk at least partially shares name servers with other domains such as hotelaca.dk, boligudsalg.dk, crossroadscopenhagen.dk, simpost.dk and sap9.dk.
Host names with two IP numbers:
ns1.simply.com points to: 2a02:2339:1:15c::4562:4562 and 91.197.248.78.
ns2.simply.com points to: 2a02:2339:4006:101::4562:4562 and 185.25.141.15.
Host names with one IP number:
ns3.simply.com points to: 91.197.248.79.
ns4.simply.com points to: 91.197.248.80.
Mail Servers
acosys.dk is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
acosys.dk shares mail servers with other domains at least in part, for instance lewischo.com, templar.com, ns500731.ns500742.ns500742.ns500671.ns500731.ns500731.ns500688.ns500678.ns500649.ns500291.ns500291.ns500666.ns500653.ns500153.tenderladiesbz.com, paylease.com and ns500671.ns500671.ns500754.ns500754.ns500731.ns500742.ns500688.ns500649.ns500671.ns500153.tenderladiesbz.com.
These mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Two IPs per host name:
aspmx.l.google.com points to: 2607:f8b0:4023:c06::1b and 142.250.101.27
alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1a and 108.177.123.26
alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1b and 172.253.116.27
alt3.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1b and 172.253.135.27
alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.26
Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)