app4.dk - dns.ninja
app4.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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 | ||||||
| NS | ns4.simply.com | ||||||
| A | 91.197.248.80🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns4.simply.com | ||||||
| SOA | ns1.simply.comhostmaster@simply.com 2020-07-29 #90 | ||||||
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 1785976381localtime Thu Aug 6 02:33:01 2026gmtime Thu Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1785976381 | ||||||
Same first word
app4.eu |
app4.info |
app4.business |
app4.mobi |
app4.de |
app4.ru |
app4.fr |
app4.dk |
app4.org |
app4.nl |
app4.co.uk |
app4.store |
app4.me |
app4.be |
app4.cn |
app4.com |
app4.biz |
app4.us |
app4.ws |
Similar names
4app.de |
p4pa.com |
4app.tv |
4app.ir |
pp4a.com |
4app.ru |
4pap.sk |
ppa4.com |
a4pp.net |
4pap.com |
a4pp.com |
4ppa.org |
4pap.cz |
4app.pro |
ap4p.com |
p4ap.com |
p4pa.org |
4app.com |
4app.it |
4app.net |
4app.cz |
4pap.eu |
pp4a.cn |
4app.cn |
DNS History
9 records (4 active, 5 former)
●NSns1.simply.com2026-03-04 → 2026-08-06 · 3 obs
● 2026-03-04 21:46:12
● 2026-08-06 00:43:00
○NSns1.surf-town.net2015-07-14 → 2016-03-29 · 4 obs
● 2016-03-29 14:31:04
○ 2026-03-04 21:46:12
○ 2026-08-06 00:43:00
●NSns2.simply.com2026-03-04 → 2026-08-06 · 3 obs
● 2026-03-04 21:46:12
● 2026-08-06 00:43:00
○NSns2.surf-town.net2015-07-14 → 2016-03-29 · 4 obs
● 2016-03-29 14:31:04
○ 2026-03-04 21:46:12
○ 2026-08-06 00:43:00
●NSns3.simply.com2026-03-04 → 2026-08-06 · 3 obs
● 2026-03-04 21:46:12
● 2026-08-06 00:43:00
○NSns3.surf-town.net2015-07-14 → 2016-03-29 · 4 obs
● 2016-03-29 14:31:04
○ 2026-03-04 21:46:12
○ 2026-08-06 00:43:00
●NSns4.simply.com2026-03-04 → 2026-08-06 · 3 obs
● 2026-03-04 21:46:12
● 2026-08-06 00:43:00
○MXmail17.surftown.dk2015-07-14 → 2016-03-29 · 4 obs
● 2016-03-29 14:31:04
○ 2026-03-04 21:46:12
○ 2026-08-06 00:43:00
○A212.97.132.1342015-07-14 → 2016-03-29 · 4 obs
● 2016-03-29 14:31:04
○ 2026-03-04 21:46:12
○ 2026-08-06 00:43:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| app4.dk | ns2.simply.com, ns1.simply.com, ns4.simply.com, ns3.simply.com | - |
✅ Authoritative Response
Server:91.197.248.80
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: 954ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns2.simply.com, ns1.simply.com... |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
Name Servers
app4.dk has four authoritative name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.
The name servers of app4.dk overlap at least partially with those of other domains — among them vadskaer.com, ekenbar.se, felixservice.dk and two more.
These name servers commonly co-occur with the name servers ns1.unoeuro.com, ns2.unoeuro.com, ns3.unoeuro.com and ns4.unoeuro.com.
Host names with two IP numbers:
ns1.simply.com resolves to 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
ns2.simply.com resolves to 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Host names pointing to a single IP address:
ns3.simply.com resolves to 91.197.248.79.
ns4.simply.com resolves to 91.197.248.80.