emailsecurity.dk - dns.ninja
emailsecurity.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.23.245.36🇩🇰 ITM8-AS178.23.240.0/21 | ||||||
| NS | authns001.yacn.dk ⭐ | ||||||
| A | 213.174.84.205🇩🇰 ITM8-AS213.174.84.0/24 | ||||||
| PTR | authns001.yacn.dk | ||||||
| NS | authns002.yacn.dk | ||||||
| A | 2.106.41.246🇩🇰 TDC2.104.0.0/14 | ||||||
| PTR | authns002.yacn.dk | ||||||
| NS | authns003.yacn.dk | ||||||
| A | 137.117.161.172🇳🇱 Microsoft137.117.0.0/16 | ||||||
| PTR | authns003.yacn.dk | ||||||
| MX | mx1.emailsecurity.dk ⭐ | ||||||
| A | 89.104.206.4🇩🇰 Amazon89.104.206.0/24 EC2 Prefix | ||||||
| PTR | recursor41.electric.net | ||||||
| MX | mx2.emailsecurity.dk ⭐ | ||||||
| A | 89.104.206.4🇩🇰 Amazon89.104.206.0/24 EC2 Prefix | ||||||
| PTR | recursor41.electric.net | ||||||
| TXT | v=spf ip4:178.23.245.110 ip4:193.201.39.23 ip4:178.23.245.109 ip4:178.23.244.... | ||||||
| SOA | authns001.yacn.dkhostmaster@itrelation.dk 2019-09-09 #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 1784984581localtime Sat Jul 25 15:03:01 2026gmtime Sat Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1784984581 | ||||||
Subdomains
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSauthns001.yacn.dk2026-02-24 → 2026-07-25 · 3 obs
● 2026-02-24 15:15:42
● 2026-07-25 13:14:20
●NSauthns002.yacn.dk2026-02-24 → 2026-07-25 · 3 obs
● 2026-02-24 15:15:42
● 2026-07-25 13:14:20
●NSauthns003.yacn.dk2026-02-24 → 2026-07-25 · 3 obs
● 2026-02-24 15:15:42
● 2026-07-25 13:14:20
○NSns01.tdchosting.dk2015-08-16 → 2021-09-08 · 7 obs
● 2016-12-10 13:28:00
○ 2017-09-21 23:21:32
● 2018-02-03 22:20:30
● 2021-09-08 19:19:04
○ 2026-02-24 15:15:42
○ 2026-07-25 13:14:20
○NSns02.tdchosting.dk2015-08-16 → 2021-09-08 · 7 obs
● 2016-12-10 13:28:00
○ 2017-09-21 23:21:32
● 2018-02-03 22:20:30
● 2021-09-08 19:19:04
○ 2026-02-24 15:15:42
○ 2026-07-25 13:14:20
○NSns1.eurodns.com2017-09-21 → 2017-09-21 · 4 obs
● 2017-09-21 23:21:32
○ 2018-02-03 22:20:30
○ 2026-07-25 13:14:20
○NSns2.eurodns.com2017-09-21 → 2017-09-21 · 4 obs
● 2017-09-21 23:21:32
○ 2018-02-03 22:20:30
○ 2026-07-25 13:14:20
○NSns3.eurodns.com2017-09-21 → 2017-09-21 · 4 obs
● 2017-09-21 23:21:32
○ 2018-02-03 22:20:30
○ 2026-07-25 13:14:20
○NSns4.eurodns.com2017-09-21 → 2017-09-21 · 4 obs
● 2017-09-21 23:21:32
○ 2018-02-03 22:20:30
○ 2026-07-25 13:14:20
●MXmx1.emailsecurity.dk2015-08-16 → 2026-07-25 · 2 obs
● 2026-07-25 13:14:20
●MXmx2.emailsecurity.dk2015-08-16 → 2026-07-25 · 2 obs
● 2026-07-25 13:14:20
●A178.23.245.362015-08-16 → 2026-07-25 · 2 obs
● 2026-07-25 13:14:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | h.nic.dk, l.nic.dk, s.nic.dk, t.nic.dk... | - |
| emailsecurity.dk | authns001.yacn.dk, authns002.yacn.dk, authns003.yacn.dk | 3 records |
✅ Authoritative Response
Server:213.174.84.205
NS records: authns001.yacn.dk, authns002.yacn.dk, authns003.yacn.dk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for emailsecurity.dk (unsigned zone)
⏱️ Timing
Total: 576ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.23.245.36 |
| NS | 3 | authns003.yacn.dk, authns001.yacn.dk... |
| MX | 2 | mx2.emailsecurity.dk (pri: 10), mx1.emailsecurity.dk (pri: 10) |
| TXT | 1 | v=spf ip4:178.23.245.110 ip4:193.201.39. |
| SOA | 1 | authns001.yacn.dk hostmaster.itrelation. |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (authns001.yacn.dk, authns002.yacn.dk, authns003.yacn.dk)
Analysis
Hierarchy
emailsecurity.dk serves as the parent of mx1.emailsecurity.dk, mx2.emailsecurity.dk, www.emailsecurity.dk and mx.emailsecurity.dk.
IP Addresses
emailsecurity.dk resolves to just one IP address, 178.23.245.36.
Additional host names — including www.emailsecurity.dk and vm-36.pub2.tdccloud.dk — share IP numbers with emailsecurity.dk.
Name Servers
Three name servers are authoritative for emailsecurity.dk: authns001.yacn.dk, authns002.yacn.dk and authns003.yacn.dk.
emailsecurity.dk has at least partial name server overlap with other domains, such as 99.88.193.in-addr.arpa, 6.215.195.in-addr.arpa, cloudfiledrive.dk and two others.
Three hostnames, one IP address apiece: authns001.yacn.dk resolves to 213.174.84.205, authns002.yacn.dk resolves to 2.106.41.246 and authns003.yacn.dk resolves to 137.117.161.172.
Mail Servers
emailsecurity.dk is served by two mail servers, mx1.emailsecurity.dk and mx2.emailsecurity.dk.
mx1.emailsecurity.dk and mx2.emailsecurity.dk share one IP address between them — 89.104.206.4.
These two host names — mx1.emailsecurity.dk and mx2.emailsecurity.dk — each point to 89.104.206.4 IP addresses.