403.dk - robtex.com
403.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 94.231.103.17🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | linux52.unoeuro.com | ||||||
| NS | ns1.simply.com ⭐ | ||||||
| A | 2a02:2339:1:15c::4562:4562🇩🇰 team-blue-denmark2a02:2339::/36 | ||||||
| PTR | ns1.simply.com | ||||||
| A | 91.197.248.78🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns1.simply.com | ||||||
| NS | ns2.simply.com | ||||||
| A | 2a02:2339:4006:101::4562:4562🇩🇰 team-blue-denmark2a02:2339:4000::/34 | ||||||
| PTR | ns2.simply.com | ||||||
| A | 185.25.141.15🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S | ||||||
| PTR | ns2.simply.com | ||||||
| NS | ns3.simply.com | ||||||
| A | 91.197.248.79🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns3.simply.com | ||||||
| MX | mx.simply.com ⭐ | ||||||
| A | 94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | mx.simply.com | ||||||
| TXT | v=spf1 include:spf.simply.com -all | ||||||
| SOA | ns1.simply.comhostmaster@simply.com 2025-04-23 #0 | ||||||
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 1778336101localtime Sat May 9 16:15:01 2026gmtime Sat Ma... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1778336101 | ||||||
Same first word
Similar names
DNS History
14 records (5 active, 9 former)
●NSns1.simply.com2021-07-04 → 2026-05-09 · 3 obs
● 2021-07-04 00:37:46
● 2026-05-09 14:28:24
○NSns1.unoeuro.com2008-11-23 → 2016-08-23 · 4 obs
● 2016-08-23 09:32:16
○ 2021-01-18 11:53:58
○ 2026-05-09 14:28:24
●NSns2.simply.com2021-07-04 → 2026-05-09 · 3 obs
● 2021-07-04 00:37:46
● 2026-05-09 14:28:24
○NSns2.unoeuro.com2008-11-23 → 2016-08-23 · 4 obs
● 2016-08-23 09:32:16
○ 2021-01-18 11:53:58
○ 2026-05-09 14:28:24
●NSns3.simply.com2021-07-04 → 2026-05-09 · 3 obs
● 2021-07-04 00:37:46
● 2026-05-09 14:28:24
○NSns3.unoeuro.com2015-07-11 → 2016-08-23 · 5 obs
● 2015-07-11 14:20:04
● 2016-08-23 09:32:16
○ 2021-01-18 11:53:58
○ 2026-05-09 14:28:24
○NSns4.simply.com2021-07-04 → 2021-07-04 · 4 obs
● 2021-07-04 00:37:46
○ 2026-02-16 09:06:46
○ 2026-05-09 14:28:24
○NSns4.unoeuro.com2015-07-11 → 2016-08-23 · 5 obs
● 2015-07-11 14:20:04
● 2016-08-23 09:32:16
○ 2021-01-18 11:53:58
○ 2026-05-09 14:28:24
○MXmail14.unoeuro.com2015-07-11 → 2015-07-11 · 4 obs
● 2015-07-11 14:20:04
○ 2015-11-26 13:20:56
○ 2026-05-09 14:28:24
●MXmx.simply.com2026-02-16 → 2026-05-09 · 3 obs
● 2026-02-16 09:06:46
● 2026-05-09 14:28:24
○MXmx.unoeuro.com2015-11-26 → 2016-08-23 · 5 obs
● 2015-11-26 13:20:56
● 2016-08-23 09:32:16
○ 2021-01-18 11:53:58
○ 2026-05-09 14:28:24
○A85.116.8.2282008-11-23 → 2008-11-23 · 3 obs
○ 2015-07-11 14:20:04
○ 2026-05-09 14:28:24
●A94.231.103.172026-02-16 → 2026-05-09 · 3 obs
● 2026-02-16 09:06:46
● 2026-05-09 14:28:24
○A94.231.109.2382015-07-11 → 2016-08-23 · 5 obs
● 2015-07-11 14:20:04
● 2016-08-23 09:32:16
○ 2021-01-18 11:53:58
○ 2026-05-09 14:28:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| 403.dk | ns2.simply.com, ns3.simply.com, ns1.simply.com | - |
✅ Authoritative Response
Server:91.197.248.79
NS records: ns2.simply.com, ns3.simply.com, ns1.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1207ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.231.103.17 |
| NS | 3 | ns2.simply.com, ns1.simply.com... |
| MX | 1 | mx.simply.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.simply.com -all |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
IP Addresses
403.dk points to IP number: 94.231.103.17.
Other host names such as oestergaardas.dk, resolut.dk, ruj.dk, fastershave.dk and stubtoft.dk share IPs with 403.dk.
Name Servers
403.dk is delegated to three name servers: ns1.simply.com, ns2.simply.com and ns3.simply.com.
403.dk at least partially shares name servers with other domains, for instance ma-revision.dk, livetmedkonst.se, repodio.com, mhmedia.dk and 1035.dk.
these name servers are often used in conjunction with the name servers ns4.simply.com.
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.
Mail Servers
403.dk is handled by a single mail server, mx.simply.com.
The mail server setup for 403.dk matches that of other domains, for instance zxy.dk, mariba.se, codice.se, hififorum.dk and waldfelt.com.
403.dk shares mail servers with other domains, for instance errant.dk and skyt.nu.
mx.simply.com points to a single IP: 94.231.106.20.