oop.dk - dns.ninja
oop.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 1782474481localtime Fri Jun 26 13:48:01 2026gmtime Fri Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1782474481 | ||||||
Subdomains
Same first word
Similar names
DNS History
13 records (8 active, 5 former)
●NSns01.one.com2026-02-18 → 2026-06-26 · 3 obs
● 2026-02-18 21:17:18
● 2026-06-26 12:11:14
●NSns02.one.com2026-02-18 → 2026-06-26 · 3 obs
● 2026-02-18 21:17:18
● 2026-06-26 12:11:14
○NSns1.gratisdns.dk2015-08-17 → 2021-01-20 · 4 obs
● 2021-01-20 04:50:18
○ 2026-02-18 21:17:18
○ 2026-06-26 12:11:14
○NSns2.gratisdns.dk2015-08-17 → 2021-01-20 · 4 obs
● 2021-01-20 04:50:18
○ 2026-02-18 21:17:18
○ 2026-06-26 12:11:14
○NSns3.gratisdns.dk2015-08-17 → 2021-01-20 · 4 obs
● 2021-01-20 04:50:18
○ 2026-02-18 21:17:18
○ 2026-06-26 12:11:14
○NSns4.gratisdns.dk2015-08-17 → 2021-01-20 · 4 obs
● 2021-01-20 04:50:18
○ 2026-02-18 21:17:18
○ 2026-06-26 12:11:14
○NSns5.gratisdns.dk2015-08-17 → 2021-01-20 · 4 obs
● 2021-01-20 04:50:18
○ 2026-02-18 21:17:18
○ 2026-06-26 12:11:14
●MXalt1.aspmx.l.google.com2015-08-17 → 2026-06-26 · 2 obs
● 2026-06-26 12:11:14
●MXalt2.aspmx.l.google.com2015-08-17 → 2026-06-26 · 2 obs
● 2026-06-26 12:11:14
●MXaspmx.l.google.com2015-08-17 → 2026-06-26 · 2 obs
● 2026-06-26 12:11:14
●MXaspmx2.googlemail.com2015-08-17 → 2026-06-26 · 2 obs
● 2026-06-26 12:11:14
●MXaspmx3.googlemail.com2015-08-17 → 2026-06-26 · 2 obs
● 2026-06-26 12:11:14
●A90.184.36.802015-08-17 → 2026-06-26 · 2 obs
● 2026-06-26 12:11:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| oop.dk | ns01.one.com, ns02.one.com | - |
✅ Authoritative Response
Server:195.206.121.10
NS records: ns01.one.com, ns02.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 965ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 90.184.36.80 |
| NS | 2 | ns01.one.com, ns02.one.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 10)... |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
Hierarchy
www.oop.dk and *.oop.dk each fall under oop.dk as their parent domain.
IP Addresses
oop.dk resolves to just one IP address, 90.184.36.80.
Additional host names — including x5ab82450.customers.hiper-net.dk and vejledningen.dk — share IP numbers with oop.dk.
Name Servers
oop.dk has two authoritative name servers — ns01.one.com and ns02.one.com.
oop.dk shares its NS records with other domains, for example ulfhednir.dk, ragnar.it, golfputter.dk and two others.
Both ns01.one.com and ns02.one.com have two IP addresses each. ns01.one.com resolves to 195.206.121.10 and 2001:67c:28cc::10; ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
Mail for oop.dk is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between oop.dk and other domains, including ns500759.ns500698.ns500736.ns500735.ns500698.ns500736.ns500698.ns500736.ns500735.ns500686.ns500652.ns500576.ns500576.trackreceptor.com, ns500759.ns500759.ns500759.ns500698.ns500736.ns500698.ns500735.ns500735.ns500735.ns500736.ns500698.ns500576.ns500576.ns500619.ns500652.ns500576.ns500576.trackreceptor.com, ns500698.ns500698.ns500758.ns500698.ns500735.ns500736.ns500698.ns500576.ns500576.ns500698.ns500708.ns500708.ns500619.ns500576.ns500619.ns500619.trackreceptor.com and two others.
These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com resolves to 172.253.139.26 and 2607:f8b0:4004:c1f::1a.
alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c0f::1b IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.26 IP addresses.