kostserver.dk - dns.ninja
kostserver.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.166.137.168🇩🇰 TDC80.160.0.0/13 | ||||||
| NS | ns01.one.com ⭐ | ||||||
| A | 2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48 | ||||||
| PTR | ns01.one.com | ||||||
| A | 195.206.121.10ONECOM-INFRA195.206.121.0/24 | ||||||
| PTR | ns01.one.com | ||||||
| NS | ns02.one.com | ||||||
| A | 2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48 | ||||||
| PTR | ns02.one.com | ||||||
| A | 185.10.11.10ONECOM185.10.11.0/24 | ||||||
| PTR | ns02.one.com | ||||||
| MX | mail.kostserver.dk ⭐ | ||||||
| A | 87.55.238.78🇩🇰 TDC87.48.0.0/13 | ||||||
| PTR | mail.kostserver.dk | ||||||
| TXT | v=spf1 mx a:adm.kostserver.dk -all | ||||||
| TXT | v8w8h786n6dsm6jw0yfdsfmby2jl4y4s | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-06-25 #2 | ||||||
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 1785906721localtime Wed Aug 5 07:12:01 2026gmtime Wed Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1785906721 | ||||||
Subdomains
mail.kostserver.dk |
Same first word
kostserver.dk |
Similar names
DNS History
10 records (4 active, 6 former)
●NSns01.one.com2026-05-05 → 2026-08-05 · 3 obs
● 2026-05-05 15:31:02
● 2026-08-05 05:59:30
●NSns02.one.com2026-05-05 → 2026-08-05 · 3 obs
● 2026-05-05 15:31:02
● 2026-08-05 05:59:30
○NSns1.gratisdns.dk2015-08-10 → 2017-01-14 · 4 obs
● 2017-01-14 23:22:22
○ 2026-05-05 15:31:02
○ 2026-08-05 05:59:30
○NSns2.gratisdns.dk2015-08-10 → 2017-01-14 · 4 obs
● 2017-01-14 23:22:22
○ 2026-05-05 15:31:02
○ 2026-08-05 05:59:30
○NSns3.gratisdns.dk2015-08-10 → 2017-01-14 · 4 obs
● 2017-01-14 23:22:22
○ 2026-05-05 15:31:02
○ 2026-08-05 05:59:30
○NSns4.gratisdns.dk2015-08-10 → 2017-01-14 · 4 obs
● 2017-01-14 23:22:22
○ 2026-05-05 15:31:02
○ 2026-08-05 05:59:30
○NSns5.gratisdns.dk2015-08-10 → 2017-01-14 · 4 obs
● 2017-01-14 23:22:22
○ 2026-05-05 15:31:02
○ 2026-08-05 05:59:30
●MXmail.kostserver.dk2015-08-10 → 2026-08-05 · 2 obs
● 2026-08-05 05:59:30
○A109.70.53.2112015-08-10 → 2017-01-14 · 4 obs
● 2017-01-14 23:22:22
○ 2026-05-05 15:31:02
○ 2026-08-05 05:59:30
●A80.166.137.1682026-05-05 → 2026-08-05 · 3 obs
● 2026-05-05 15:31:02
● 2026-08-05 05:59:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| kostserver.dk | ns02.one.com, ns01.one.com | - |
✅ Authoritative Response
Server:195.206.121.10
NS records: ns02.one.com, ns01.one.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kostserver.dk (unsigned zone)
⏱️ Timing
Total: 757ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.166.137.168 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 1 | mail.kostserver.dk (pri: 10) |
| TXT | 2 | v=spf1 mx a:adm.kostserver.dk -all, v8w8h786n6dsm6jw0yfdsfmby2jl4y4s |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
Hierarchy
kostserver.dk serves as the parent of mail.kostserver.dk.
IP Addresses
kostserver.dk directs to one IP number, which is 80.166.137.168.
Name Servers
kostserver.dk is served by two delegated name servers, ns01.one.com and ns02.one.com.
kostserver.dk has the same name server delegation as a number of other domains, such as jpkristensen.com, robotic.kitchen, ac1.no and two more.
Each of the two host names carries two IP addresses: ns01.one.com points to 195.206.121.10 and 2001:67c:28cc::10, and ns02.one.com points to 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
kostserver.dk routes its mail through a single mail server, mail.kostserver.dk.
There is one IP number for mail.kostserver.dk: 87.55.238.78.